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<channel>
    <title>Whamcloud Community JIRA</title>
    <link>https://jira.whamcloud.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.4.14</version>
        <build-number>940014</build-number>
        <build-date>05-12-2023</build-date>
    </build-info>


<item>
            <title>[LU-4743] soft lockup in lustre 2.4.2</title>
                <link>https://jira.whamcloud.com/browse/LU-4743</link>
                <project id="10000" key="LU">Lustre</project>
                    <description>&lt;p&gt;After upgraded servers and clients from 1.8.9 to 2.4.2, mounting clients hit lockup.&lt;/p&gt;

&lt;p&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;root@puma-mds-10-6 etc&amp;#93;&lt;/span&gt;# dmesg &lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:611:osp_sync_process_record()) unknown record type: 10612401&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:611:osp_sync_process_record()) Skipped 289773766 previous similar messages&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:780:osp_sync_process_queues()) can&apos;t send: -22&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:780:osp_sync_process_queues()) Skipped 289773767 previous similar messages&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127f8bc&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127f8bc&amp;gt;&amp;#93;&lt;/span&gt; number+0x13c/0x320&lt;br/&gt;
RSP: 0018:ffff880620641700  EFLAGS: 00000246&lt;br/&gt;
RAX: 000000000000002d RBX: ffff8806206417c0 RCX: 00000000fffffffb&lt;br/&gt;
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 0000000000000000 R09: 00000000fffffffc&lt;br/&gt;
R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff&lt;br/&gt;
R13: 0000000000000001 R14: ffff8806206416e0 R15: ffffffff8100bd6e&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff880620641720 ffff880326cbc000 ffff8806206417c0 ffff880620641740&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880600000000 fffffffffffffffe ffff8806ffffffff 000000002d00bd6e&lt;br/&gt;
&amp;lt;d&amp;gt; 3130363434303232 0000000000000001 0000000000000001 00000000fffffffd&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81281990&amp;gt;&amp;#93;&lt;/span&gt; ? vsnprintf+0x450/0x5e0&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 0d 49 39 dc 0f 82 5f 01 00 00 49 83 c4 01 45 85 c0 74 18 49 39 dc 73 05 41 c6 04 24 30 49 83 c4 01 41 83 ff 10 0f 84 5e 01 00 00 &amp;lt;8b&amp;gt; 85 7c ff ff ff 41 89 c8 85 c0 75 55 41 83 e6 01 41 83 fe 01 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81281990&amp;gt;&amp;#93;&lt;/span&gt; ? vsnprintf+0x450/0x5e0&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127fb60&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127fb60&amp;gt;&amp;#93;&lt;/span&gt; format_decode+0x0/0x3b0&lt;br/&gt;
RSP: 0018:ffff8806206417c8  EFLAGS: 00000206&lt;br/&gt;
RAX: 000000000000000a RBX: ffff880620641860 RCX: 0000000000000032&lt;br/&gt;
RDX: 0000000000000000 RSI: ffff880620641810 RDI: ffffffffa0dd0d34&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 00000000fffffff9 R09: 00000000fffffffc&lt;br/&gt;
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8806ffffffff&lt;br/&gt;
R13: fffffffffffffffe R14: ffff880600000000 R15: ffff880620641740&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffffffff812815c4 0000000200000010 0000000affffffff ffffffffffffffff&lt;br/&gt;
&amp;lt;d&amp;gt; 0000000000000000 000000000000000c 27793632810a15fa 00000000000009ce&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880327793632 0000000200000010 0000000affffffff ffffffffffffffff&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff812815c4&amp;gt;&amp;#93;&lt;/span&gt; ? vsnprintf+0x84/0x5e0&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bd6e&amp;gt;&amp;#93;&lt;/span&gt; ? reschedule_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc337f&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x4ef/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 41 5c 41 5d 41 5e 41 5f c9 c3 90 c6 03 2e 49 83 c4 01 48 83 c3 01 4c 3b 65 b0 0f 85 78 ff ff ff eb d3 66 0f 1f 84 00 00 00 00 00 &amp;lt;8b&amp;gt; 06 55 48 89 e5 83 f8 01 74 4d 83 f8 02 0f 84 24 01 00 00 c7 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff812815c4&amp;gt;&amp;#93;&lt;/span&gt; ? vsnprintf+0x84/0x5e0&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bd6e&amp;gt;&amp;#93;&lt;/span&gt; ? reschedule_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc337f&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x4ef/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127f030&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127f030&amp;gt;&amp;#93;&lt;/span&gt; strlen+0x10/0x30&lt;br/&gt;
RSP: 0018:ffff880620641860  EFLAGS: 00000202&lt;br/&gt;
RAX: 0000000000000000 RBX: ffff880620641860 RCX: 0000000000000000&lt;br/&gt;
RDX: ffffffffa0dcf97f RSI: 00000000531d65b8 RDI: ffffffffa0dcf970&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 00000000fffffff9 R09: 00000000fffffffc&lt;br/&gt;
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000200000010&lt;br/&gt;
R13: ffffffff810a1507 R14: ffff8806206417f0 R15: ffffffff81012c59&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff8806206419d0 ffffffffa0326832 0000000000000000 ffff880620641900&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880620641960 ffffffff8105e513 ffff880620641fd8 ffff880620608080&lt;br/&gt;
&amp;lt;d&amp;gt; ffffffffa0de05c0 0000000000000053 ffff880335cb0010 0002000000000000&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0326832&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x152/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc337f&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x4ef/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 0f 1f 00 48 83 c0 01 0f b6 10 f6 82 40 14 af 81 20 75 f0 c9 c3 66 0f 1f 44 00 00 31 c0 80 3f 00 55 48 89 fa 48 89 e5 74 11 66 90 &amp;lt;48&amp;gt; 83 c2 01 80 3a 00 75 f7 48 89 d0 48 29 f8 c9 c3 66 66 66 66 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0326832&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x152/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc337f&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x4ef/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032683d&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032683d&amp;gt;&amp;#93;&lt;/span&gt; libcfs_debug_vmsg2+0x15d/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
RSP: 0018:ffff880620641870  EFLAGS: 00000206&lt;br/&gt;
RAX: 0000000000000023 RBX: ffff8806206419d0 RCX: 0000000000000000&lt;br/&gt;
RDX: ffffffffa0dcf9a7 RSI: 00000000531d660c RDI: ffffffffa0dcf990&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 000000000000ac3e R09: 0000000000000000&lt;br/&gt;
R10: 0000000000000007 R11: 0000000000000001 R12: ffffffffa0de05c0&lt;br/&gt;
R13: ffff880620641830 R14: 000000200000000f R15: ffffffff810a1507&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 0000000000000000 ffff880620641900 ffff880620641960 ffffffff8105e513&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880620641fd8 ffff880620608080 ffffffffa0de0640 0000000000000053&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880335cb0010 0008000000000000 ffffffffa0dd37e8 0000000000000000&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: ff e8 08 88 f5 e0 49 8b 7f 08 49 89 c4 8d 40 01 89 85 24 ff ff ff 48 85 ff 74 10 e8 ee 87 f5 e0 41 8d 44 04 02 89 85 24 ff ff ff &amp;lt;8b&amp;gt; 85 24 ff ff ff 44 8b 15 2a 23 02 00 41 bc 55 00 00 00 c7 85 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127fbe3&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127fbe3&amp;gt;&amp;#93;&lt;/span&gt; format_decode+0x83/0x3b0&lt;br/&gt;
RSP: 0018:ffff8806206417c0  EFLAGS: 00000216&lt;br/&gt;
RAX: ffffffffa0dd3809 RBX: ffff8806206417c0 RCX: 0000000000000000&lt;br/&gt;
RDX: 0000000000000075 RSI: ffff880620641810 RDI: ffffffffa0dd3808&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 0000000000000075 R09: 00000000fffffffa&lt;br/&gt;
R10: 0000000000000004 R11: 0000000000000001 R12: 00000000ffffffff&lt;br/&gt;
R13: 00000000ffffffff R14: 0000000000000000 R15: ffff880620641740&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff880620641860 ffffffff812815c4 000000000000000f 0000000affffffff&lt;br/&gt;
&amp;lt;d&amp;gt; ffffffffffffffff 0000000000000000 0000000000000005 26cc7b0b810a15fa&lt;br/&gt;
&amp;lt;d&amp;gt; 00000000000004f5 ffff880326cc7b0b 0000000000000000 0000000affffffff&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff812815c4&amp;gt;&amp;#93;&lt;/span&gt; ? vsnprintf+0x84/0x5e0&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 8b 46 08 85 c0 0f 88 4d 02 00 00 c7 06 00 00 00 00 48 89 f8 c7 46 10 ff ff ff ff 80 38 2e 0f 84 e4 01 00 00 c7 46 14 ff ff ff ff &amp;lt;0f&amp;gt; b6 10 80 fa 68 74 15 89 d1 83 c9 20 80 f9 6c 74 0b 80 f9 7a &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff812815c4&amp;gt;&amp;#93;&lt;/span&gt; ? vsnprintf+0x84/0x5e0&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510efa&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510efa&amp;gt;&amp;#93;&lt;/span&gt; _spin_lock+0x2a/0x30&lt;br/&gt;
RSP: 0018:ffff880620641840  EFLAGS: 00000246&lt;br/&gt;
RAX: 00000000000092f6 RBX: ffff880620641840 RCX: 0000000000000000&lt;br/&gt;
RDX: 00000000000092f6 RSI: 0000000000000000 RDI: ffff880335cb0000&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 0000000000000000 R09: 00000000fffffffc&lt;br/&gt;
R10: 0000000000000001 R11: 0000000000000001 R12: ffff880620641950&lt;br/&gt;
R13: ffffffffa0dd0d32 R14: ffffffffa0dd0d34 R15: ffff8803363b205f&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff880620641860 ffffffffa03163ef ffff880335cb0000 0000000000000055&lt;br/&gt;
&amp;lt;d&amp;gt; ffff8806206419d0 ffffffffa03267bc 0000000000000000 ffff880620641900&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880620641960 ffffffff8105e513 ffff880620641fd8 ffff880620608080&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03163ef&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_trace_lock_tcd+0x3f/0xa0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03267bc&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0xdc/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0326bfa&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x51a/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3276&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x3e6/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: c3 55 48 89 e5 0f 1f 44 00 00 b8 00 00 01 00 f0 0f c1 07 0f b7 d0 c1 e8 10 39 c2 74 0e f3 90 0f b7 17 eb f5 83 3f 00 75 f4 eb df &amp;lt;c9&amp;gt; c3 0f 1f 40 00 55 48 89 e5 0f 1f 44 00 00 f0 81 2f 00 00 00 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03163ef&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_trace_lock_tcd+0x3f/0xa0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03267bc&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0xdc/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0326bfa&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x51a/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3276&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x3e6/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127ef10&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127ef10&amp;gt;&amp;#93;&lt;/span&gt; strrchr+0x10/0x40&lt;br/&gt;
RSP: 0018:ffff880620641860  EFLAGS: 00000206&lt;br/&gt;
RAX: ffffffffa0dd33df RBX: ffff880620641860 RCX: 0000000000000000&lt;br/&gt;
RDX: 0000000000000000 RSI: 000000000000002f RDI: ffffffffa0dd3360&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 000000000000ac3e R09: 0000000000000000&lt;br/&gt;
R10: 0000000000000007 R11: 0000000000000001 R12: 000000200000000f&lt;br/&gt;
R13: ffffffff81281876 R14: ffff880620641860 R15: ffff8803275b1000&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff8806206419d0 ffffffffa032677a 0000000000000000 ffff880620641900&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880620641960 ffffffff8105e513 ffff880620641fd8 ffff880620608080&lt;br/&gt;
&amp;lt;d&amp;gt; ffffffffa0de0640 0000000000000053 ffff880335cb0010 0008000000000000&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032677a&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x9a/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0327290&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x0/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 00 00 00 48 83 c0 01 0f b6 10 40 38 f2 74 06 84 d2 75 f0 31 c0 c9 c3 0f 1f 40 00 31 d2 80 3f 00 55 48 89 f8 48 89 e5 74 11 66 90 &amp;lt;48&amp;gt; 83 c0 01 80 38 00 75 f7 48 89 c2 48 29 fa 48 8d 04 17 0f 1f &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032677a&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x9a/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0327290&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x0/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:780:osp_sync_process_queues()) can&apos;t send: -22&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:780:osp_sync_process_queues()) Skipped 289922854 previous similar messages&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:611:osp_sync_process_record()) unknown record type: 10612401&lt;br/&gt;
LustreError: 3459:0:(osp_sync.c:611:osp_sync_process_record()) Skipped 289922855 previous similar messages&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031602b&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031602b&amp;gt;&amp;#93;&lt;/span&gt; cfs_trace_buf_idx_get+0x2b/0x30 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
RSP: 0018:ffff880620641860  EFLAGS: 00000246&lt;br/&gt;
RAX: 0000000000000000 RBX: ffff880620641860 RCX: 0000000000000000&lt;br/&gt;
RDX: 0000000000000000 RSI: 000000000000002f RDI: ffffffffa0dd3360&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 0000000000000000 R09: 00000000fffffffc&lt;br/&gt;
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000200000010&lt;br/&gt;
R13: ffffffff81281876 R14: ffff880620641860 R15: ffff880327d4c000&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff8806206419d0 ffffffffa032678a 0000000000000000 ffff880620641900&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880620641960 ffffffff8105e513 ffff880620641fd8 ffff880620608080&lt;br/&gt;
&amp;lt;d&amp;gt; ffffffffa0de0500 0000000000000053 ffff880335cb0010 0002000000000000&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032678a&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0xaa/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3276&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x3e6/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 55 48 89 e5 0f 1f 44 00 00 65 48 8b 04 25 c8 cb 00 00 48 63 90 44 e0 ff ff b8 02 00 00 00 f7 c2 00 00 ff 03 75 08 31 c0 f6 c6 ff &amp;lt;0f&amp;gt; 95 c0 c9 c3 55 48 89 e5 0f 1f 44 00 00 0f b7 47 62 66 3b 46 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032678a&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0xaa/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3276&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x3e6/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127ef17&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8127ef17&amp;gt;&amp;#93;&lt;/span&gt; strrchr+0x17/0x40&lt;br/&gt;
RSP: 0018:ffff880620641860  EFLAGS: 00000206&lt;br/&gt;
RAX: ffffffffa0dd33a2 RBX: ffff880620641860 RCX: 0000000000000000&lt;br/&gt;
RDX: 0000000000000000 RSI: 000000000000002f RDI: ffffffffa0dd3360&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 000000000000ac3e R09: 0000000000000000&lt;br/&gt;
R10: 0000000000000007 R11: 0000000000000001 R12: 000000200000000f&lt;br/&gt;
R13: ffffffff81281876 R14: ffff880620641860 R15: ffff880327deb000&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff8806206419d0 ffffffffa032677a 0000000000000000 ffff880620641900&lt;br/&gt;
&amp;lt;d&amp;gt; ffff880620641960 ffffffff8105e513 ffff880620641fd8 ffff880620608080&lt;br/&gt;
&amp;lt;d&amp;gt; ffffffffa0de0640 0000000000000053 ffff880335cb0010 0008000000000000&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032677a&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x9a/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 0f b6 10 40 38 f2 74 06 84 d2 75 f0 31 c0 c9 c3 0f 1f 40 00 31 d2 80 3f 00 55 48 89 f8 48 89 e5 74 11 66 90 48 83 c0 01 80 38 00 &amp;lt;75&amp;gt; f7 48 89 c2 48 29 fa 48 8d 04 17 0f 1f 44 00 00 40 38 30 74 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa032677a&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x9a/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100bb8e&amp;gt;&amp;#93;&lt;/span&gt; ? apic_timer_interrupt+0xe/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3315&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x485/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
BUG: soft lockup - CPU#0 stuck for 67s! &lt;span class=&quot;error&quot;&gt;&amp;#91;osp-syn-28:3459&amp;#93;&lt;/span&gt;&lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;br/&gt;
CPU 0 &lt;br/&gt;
Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) autofs4 sunrpc bonding 8021q garp stp llc ipv6 iptable_filter ip_tables tcp_htcp microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core raid10 myri10ge ses enclosure sg ixgbe mdio igb dca ptp pps_core ext4 jbd2 mbcache sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod &lt;span class=&quot;error&quot;&gt;&amp;#91;last unloaded: scsi_wait_scan&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Pid: 3459, comm: osp-syn-28 Not tainted 2.6.32-358.23.2.el6_lustre.x86_64 #1 Supermicro X8DTS/X8DTS&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff812815e0&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff812815e0&amp;gt;&amp;#93;&lt;/span&gt; vsnprintf+0xa0/0x5e0&lt;br/&gt;
RSP: 0018:ffff8806206417d0  EFLAGS: 00000297&lt;br/&gt;
RAX: 0000000000000007 RBX: ffff880620641860 RCX: 0000000000000002&lt;br/&gt;
RDX: 000000000000000f RSI: ffff880620641810 RDI: ffffffffa0dd0d0b&lt;br/&gt;
RBP: ffffffff8100bb8e R08: 0000000000000078 R09: 00000000fffffffc&lt;br/&gt;
R10: 0000000000000001 R11: 0000000000000001 R12: 3130363434303232&lt;br/&gt;
R13: 000000002d00bb8e R14: ffff8806ffffffff R15: fffffffffffffffe&lt;br/&gt;
FS:  00007feb174b1700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: ffffffffa0315fde CR3: 0000000001a85000 CR4: 00000000000007f0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process osp-syn-28 (pid: 3459, threadinfo ffff880620640000, task ffff880620608080)&lt;br/&gt;
Stack:&lt;br/&gt;
 0000000200000010 ffff880620641830 ffffffffa0de0640 0000000000000000&lt;br/&gt;
&amp;lt;d&amp;gt; 0000000000000015 27fd94bb810a15fa 0000000000000b45 ffff880327fd94bb&lt;br/&gt;
&amp;lt;d&amp;gt; 000000200000000f 00000010ffffffff ffffffffffffffff ffffffffa031627b&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03266ea&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0xa/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3276&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x3e6/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 00 00 00 48 8d 75 b0 4c 89 ef e8 9c e5 ff ff 48 63 c8 8b 45 b0 4d 8d 64 0d 00 83 f8 11 76 2c 83 e8 08 83 f8 0b 0f 86 f8 02 00 00 &amp;lt;41&amp;gt; 8b 16 83 fa 2f 0f 86 e7 04 00 00 49 8b 46 08 48 8d 50 08 49 &lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031627b&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_set_ptldebug_header+0x2b/0xc0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03269ca&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0x2ea/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8105e513&amp;gt;&amp;#93;&lt;/span&gt; ? perf_event_task_sched_out+0x33/0x80&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03266ea&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_vmsg2+0xa/0xbb0 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa03272d1&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_debug_msg+0x41/0x50 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81510ee2&amp;gt;&amp;#93;&lt;/span&gt; ? _spin_lock+0x12/0x30&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc3276&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x3e6/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0ba4d2b&amp;gt;&amp;#93;&lt;/span&gt; ? osd_object_read_unlock+0x8b/0xd0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa041235a&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x56a/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040de5b&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x8fb/0xe00 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0411df0&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_cb+0x0/0x620 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa040fb6d&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_or_fork+0x12d/0x660 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410c49&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process_or_fork+0x89/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff81051439&amp;gt;&amp;#93;&lt;/span&gt; ? __wake_up_common+0x59/0x90&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc2e90&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_process_queues+0x0/0x15e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0410f29&amp;gt;&amp;#93;&lt;/span&gt; ? llog_cat_process+0x19/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;obdclass&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa031775a&amp;gt;&amp;#93;&lt;/span&gt; ? cfs_waitq_signal+0x1a/0x20 &lt;span class=&quot;error&quot;&gt;&amp;#91;libcfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4a80&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x240/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0ca&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0xa/0x20&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0dc4840&amp;gt;&amp;#93;&lt;/span&gt; ? osp_sync_thread+0x0/0x7e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osp&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffff8100c0c0&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
&lt;span class=&quot;error&quot;&gt;&amp;#91;root@puma-mds-10-6 etc&amp;#93;&lt;/span&gt;# &lt;/p&gt;</description>
                <environment></environment>
        <key id="23553">LU-4743</key>
            <summary>soft lockup in lustre 2.4.2</summary>
                <type id="1" iconUrl="https://jira.whamcloud.com/secure/viewavatar?size=xsmall&amp;avatarId=11303&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.whamcloud.com/images/icons/priorities/critical.svg">Critical</priority>
                        <status id="5" iconUrl="https://jira.whamcloud.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="1">Fixed</resolution>
                                        <assignee username="bobijam">Zhenyu Xu</assignee>
                                    <reporter username="mdiep">Minh Diep</reporter>
                        <labels>
                            <label>mn4</label>
                            <label>sdsc</label>
                    </labels>
                <created>Mon, 10 Mar 2014 15:06:33 +0000</created>
                <updated>Wed, 6 Aug 2014 22:38:41 +0000</updated>
                            <resolved>Tue, 20 May 2014 13:55:15 +0000</resolved>
                                    <version>Lustre 2.4.2</version>
                                    <fixVersion>Lustre 2.6.0</fixVersion>
                    <fixVersion>Lustre 2.5.2</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>12</watches>
                                                                            <comments>
                            <comment id="78887" author="pjones" created="Mon, 10 Mar 2014 16:24:34 +0000"  >&lt;p&gt;Bobijam&lt;/p&gt;

&lt;p&gt;Could you please advise on this one?&lt;/p&gt;

&lt;p&gt;Thanks&lt;/p&gt;

&lt;p&gt;Peter&lt;/p&gt;</comment>
                            <comment id="78889" author="bfaccini" created="Mon, 10 Mar 2014 16:51:39 +0000"  >&lt;p&gt;Hello Minh,&lt;br/&gt;
The record type that seems to lead to some trouble seems to be :&lt;/p&gt;
&lt;div class=&quot;preformatted panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;preformattedContent panelContent&quot;&gt;
&lt;pre&gt;/* MDS_SETATTR_REC      = LLOG_OP_MAGIC | 0x12401, obsolete 1.8.0 */
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;So may be you can simply remove the Change-logs, or at least start without them ?? I am not aware of a migration tool for change-logs between 1.8 and 2.x ...&lt;/p&gt;</comment>
                            <comment id="78899" author="bfaccini" created="Mon, 10 Mar 2014 17:51:17 +0000"  >&lt;p&gt;Hummm, too fast !!... This is OSP/OSD llog and not Change-log, so I need to get back on my remove/start-without proposals since I have no experience on that ...&lt;/p&gt;</comment>
                            <comment id="78963" author="bobijam" created="Tue, 11 Mar 2014 02:48:00 +0000"  >&lt;p&gt;Minh, would you mind trying this patch &lt;a href=&quot;http://review.whamcloud.com/9570&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://review.whamcloud.com/9570&lt;/a&gt; ?&lt;/p&gt;

&lt;p&gt;This patch just skips obsolete/unknown llog record, I don&apos;t know what side effect it would cause if we skip the old llog record.&lt;/p&gt;</comment>
                            <comment id="78969" author="mdiep" created="Tue, 11 Mar 2014 05:20:53 +0000"  >&lt;p&gt;We had decided to move on to remove the CATALOGS file and it seems to work. But I think this patch is needed for future.&lt;/p&gt;</comment>
                            <comment id="78970" author="bzzz" created="Tue, 11 Mar 2014 05:30:53 +0000"  >&lt;p&gt;would you mind to try with &lt;a href=&quot;http://review.whamcloud.com/9574&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://review.whamcloud.com/9574&lt;/a&gt; please?&lt;/p&gt;</comment>
                            <comment id="84443" author="pjones" created="Tue, 20 May 2014 13:55:15 +0000"  >&lt;p&gt;Landed for 2.5.2 and 2.6&lt;/p&gt;</comment>
                            <comment id="91025" author="jamesanunez" created="Wed, 6 Aug 2014 22:38:41 +0000"  >&lt;p&gt;Patch for b2_4 at &lt;a href=&quot;http://review.whamcloud.com/#/c/10624/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://review.whamcloud.com/#/c/10624/&lt;/a&gt;&lt;/p&gt;</comment>
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