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    <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-1491] 2.2.0&lt;-&gt;tag2.2.54 conf-sanity 62 BUG: unable to handle kernel NULL pointer dereference at 00000000000003d0</title>
                <link>https://jira.whamcloud.com/browse/LU-1491</link>
                <project id="10000" key="LU">Lustre</project>
                    <description>&lt;p&gt;Lustre: DEBUG MARKER: == conf-sanity test 62: start with disabled journal == 13:37:57 (1339015077)&lt;br/&gt;
LDISKFS-fs (sdc1): mounted filesystem without journal. Opts: &lt;br/&gt;
LDISKFS-fs (sdc1): mounted filesystem without journal. Opts: &lt;br/&gt;
Lustre: MGC10.10.4.132@tcp: Reactivating import&lt;br/&gt;
BUG: unable to handle kernel NULL pointer dereference at 00000000000003d0&lt;br/&gt;
IP: &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0d4d1b1&amp;gt;&amp;#93;&lt;/span&gt; osd_trans_start+0x151/0x4e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
PGD 0 &lt;br/&gt;
Oops: 0000 &lt;a href=&quot;#1&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;1&lt;/a&gt; SMP &lt;br/&gt;
last sysfs file: /sys/devices/pci0000:00/0000:00:11.0/host2/target2:0:0/2:0:0:0/block/sdc/queue/max_sectors_kb&lt;br/&gt;
CPU 8 &lt;br/&gt;
Modules linked in: cmm(U) osd_ldiskfs(U) mdt(U) mdd(U) mds(U) fsfilt_ldiskfs(U) mgs(U) mgc(U) lustre(U) lquota(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) libcfs(U) ldiskfs(U) jbd2 nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc cpufreq_ondemand powernow_k8 freq_table mperf ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa igb dca mlx4_ib ib_mad ib_core mlx4_en mlx4_core microcode serio_raw k10temp amd64_edac_mod edac_core edac_mce_amd i2c_piix4 i2c_core sg shpchp ext3 jbd mbcache sd_mod crc_t10dif ata_generic pata_acpi pata_atiixp ahci 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: 4588, comm: llog_process_th Not tainted 2.6.32-220.4.2.el6_lustre.g0aea052.x86_64 #1 Supermicro H8DGT/H8DGT&lt;br/&gt;
RIP: 0010:&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0d4d1b1&amp;gt;&amp;#93;&lt;/span&gt;  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0d4d1b1&amp;gt;&amp;#93;&lt;/span&gt; osd_trans_start+0x151/0x4e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
RSP: 0018:ffff8802ebd07a40  EFLAGS: 00010246&lt;br/&gt;
RAX: 0000000000000000 RBX: ffff880419c743c0 RCX: 0000000000000000&lt;br/&gt;
RDX: ffff88033ec11e48 RSI: 0000000000000010 RDI: ffff8802e6a03000&lt;br/&gt;
RBP: ffff8802ebd07a70 R08: 00000000fffffffb R09: 00000000fffffffe&lt;br/&gt;
R10: 0000000000000001 R11: 000000000000000f R12: ffff88033ec11e00&lt;br/&gt;
R13: 0000000000000000 R14: ffff88033ec16000 R15: ffff88033ec11e00&lt;br/&gt;
FS:  00007faaa5392700(0000) GS:ffff880323c00000(0000) knlGS:0000000000000000&lt;br/&gt;
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b&lt;br/&gt;
CR2: 00000000000003d0 CR3: 0000000001a85000 CR4: 00000000000006e0&lt;br/&gt;
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000&lt;br/&gt;
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400&lt;br/&gt;
Process llog_process_th (pid: 4588, threadinfo ffff8802ebd06000, task ffff880319b54a80)&lt;br/&gt;
Stack:&lt;br/&gt;
 ffff8802ebd07a70 0000000000000000 ffff8802ebd07c20 ffff8803e69b1780&lt;br/&gt;
&amp;lt;0&amp;gt; ffff880419c744c0 ffff880419c743c0 ffff8802ebd07a80 ffffffffa08c08cc&lt;br/&gt;
&amp;lt;0&amp;gt; ffff8802ebd07ae0 ffffffffa08c0ade ffff8802ebd07ae0 ffffffffa08be9b5&lt;br/&gt;
Call Trace:&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa08c08cc&amp;gt;&amp;#93;&lt;/span&gt; fld_trans_start+0x2c/0x70 &lt;span class=&quot;error&quot;&gt;&amp;#91;fld&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa08c0ade&amp;gt;&amp;#93;&lt;/span&gt; fld_index_init+0x1ce/0x3c0 &lt;span class=&quot;error&quot;&gt;&amp;#91;fld&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa08be9b5&amp;gt;&amp;#93;&lt;/span&gt; ? fld_cache_init+0x185/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;fld&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa08bb6ae&amp;gt;&amp;#93;&lt;/span&gt; fld_server_init+0x22e/0x350 &lt;span class=&quot;error&quot;&gt;&amp;#91;fld&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0cb3d40&amp;gt;&amp;#93;&lt;/span&gt; mdt_device_alloc+0xab0/0x1a30 &lt;span class=&quot;error&quot;&gt;&amp;#91;mdt&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa057ad9f&amp;gt;&amp;#93;&lt;/span&gt; ? keys_fill+0x6f/0x1a0 &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;ffffffffa05658af&amp;gt;&amp;#93;&lt;/span&gt; obd_setup+0x19f/0x280 &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;ffffffffa0565ba2&amp;gt;&amp;#93;&lt;/span&gt; class_setup+0x212/0x730 &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;ffffffffa056af6c&amp;gt;&amp;#93;&lt;/span&gt; class_process_config+0x97c/0x1670 &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;ffffffffa044ad08&amp;gt;&amp;#93;&lt;/span&gt; ? libcfs_log_return+0x28/0x40 &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;ffffffffa0567c39&amp;gt;&amp;#93;&lt;/span&gt; ? lustre_cfg_new+0x359/0x640 &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;ffffffffa056c95b&amp;gt;&amp;#93;&lt;/span&gt; class_config_llog_handler+0x79b/0x1160 &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;ffffffffa0542158&amp;gt;&amp;#93;&lt;/span&gt; llog_process_thread+0x6e8/0xab0 &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;ffffffffa0541a70&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x0/0xab0 &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;ffffffff8100c14a&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;ffffffffa0541a70&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x0/0xab0 &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;ffffffffa0541a70&amp;gt;&amp;#93;&lt;/span&gt; ? llog_process_thread+0x0/0xab0 &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;ffffffff8100c140&amp;gt;&amp;#93;&lt;/span&gt; ? child_rip+0x0/0x20&lt;br/&gt;
Code: 3a ff ff ff 66 0f 1f 44 00 00 49 8b 47 58 0f b7 b3 88 00 00 00 48 8b 40 10 48 8b 78 28 48 8b 87 90 02 00 00 48 8b 80 e0 01 00 00 &amp;lt;3b&amp;gt; b0 d0 03 00 00 0f 8f b3 00 00 00 e8 ee f8 6a ff 48 3d 00 f0 &lt;br/&gt;
RIP  &lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;lt;ffffffffa0d4d1b1&amp;gt;&amp;#93;&lt;/span&gt; osd_trans_start+0x151/0x4e0 &lt;span class=&quot;error&quot;&gt;&amp;#91;osd_ldiskfs&amp;#93;&lt;/span&gt;&lt;br/&gt;
 RSP &amp;lt;ffff8802ebd07a40&amp;gt;&lt;br/&gt;
CR2: 00000000000003d0&lt;/p&gt;</description>
                <environment>Lustre client: lustre-master-tag2.2.54RHEL6&lt;br/&gt;
Lustre server 2.2.0RHEL6</environment>
        <key id="14774">LU-1491</key>
            <summary>2.2.0&lt;-&gt;tag2.2.54 conf-sanity 62 BUG: unable to handle kernel NULL pointer dereference at 00000000000003d0</summary>
                <type id="1" iconUrl="https://jira.whamcloud.com/secure/viewavatar?size=xsmall&amp;avatarId=11303&amp;avatarType=issuetype">Bug</type>
                                            <priority id="1" iconUrl="https://jira.whamcloud.com/images/icons/priorities/blocker.svg">Blocker</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="yujian">Jian Yu</assignee>
                                    <reporter username="sarah">Sarah Liu</reporter>
                        <labels>
                    </labels>
                <created>Wed, 6 Jun 2012 16:44:46 +0000</created>
                <updated>Sat, 22 Sep 2012 01:14:38 +0000</updated>
                            <resolved>Sat, 22 Sep 2012 01:14:38 +0000</resolved>
                                    <version>Lustre 2.3.0</version>
                    <version>Lustre 2.4.0</version>
                                    <fixVersion>Lustre 2.3.0</fixVersion>
                    <fixVersion>Lustre 2.4.0</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                            <comments>
                            <comment id="44604" author="sarah" created="Tue, 11 Sep 2012 15:35:13 +0000"  >&lt;p&gt;Hit this problem again in interop testing&lt;br/&gt;
server: 2.2.0 RHEL6&lt;br/&gt;
client: b2_3 build #16&lt;br/&gt;
&lt;a href=&quot;https://maloo.whamcloud.com/test_sets/0fd869fc-fa97-11e1-887d-52540035b04c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://maloo.whamcloud.com/test_sets/0fd869fc-fa97-11e1-887d-52540035b04c&lt;/a&gt;&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;13:46:25:Lustre: DEBUG MARKER: == conf-sanity test 62: start with disabled journal == 13:46:25 (1347137185)
13:46:26:Lustre: DEBUG MARKER: tune2fs -O ^has_journal /dev/lvm-MDS/P1
13:46:27:Lustre: DEBUG MARKER: mkdir -p /mnt/mds1
13:46:27:Lustre: DEBUG MARKER: test -b /dev/lvm-MDS/P1
13:46:27:Lustre: DEBUG MARKER: mkdir -p /mnt/mds1; mount -t lustre -o user_xattr,acl  		                   /dev/lvm-MDS/P1 /mnt/mds1
13:46:27:LDISKFS-fs (dm-0): mounted filesystem without journal. Opts: 
13:46:27:LDISKFS-fs (dm-0): mounted filesystem without journal. Opts: 
13:46:27:Lustre: MGC10.10.4.160@tcp: Reactivating import
13:46:27:Lustre: Skipped 3 previous similar messages
13:46:27:BUG: unable to handle kernel NULL pointer dereference at 00000000000003d0
13:46:27:IP: [&amp;lt;ffffffffa090f1b1&amp;gt;] osd_trans_start+0x151/0x4e0 [osd_ldiskfs]
13:46:27:PGD 640c7067 PUD 376ac067 PMD 0 
13:46:27:Oops: 0000 [#1] SMP 
13:46:27:last sysfs file: /sys/devices/pci0000:00/0000:00:04.0/virtio0/block/vda/queue/max_sectors_kb
13:46:27:CPU 0 
13:46:27:Modules linked in: cmm(U) osd_ldiskfs(U) mdt(U) mdd(U) mds(U) fsfilt_ldiskfs(U) mgs(U) mgc(U) ldiskfs(U) lustre(U) lquota(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) libcfs(U) nfs fscache jbd2 nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd mbcache virtio_blk virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: libcfs]
13:46:27:
13:46:27:Pid: 25021, comm: llog_process_th Not tainted 2.6.32-220.4.2.el6_lustre.x86_64 #1 Red Hat KVM
13:46:27:RIP: 0010:[&amp;lt;ffffffffa090f1b1&amp;gt;]  [&amp;lt;ffffffffa090f1b1&amp;gt;] osd_trans_start+0x151/0x4e0 [osd_ldiskfs]
13:46:27:RSP: 0018:ffff88005e3b97f0  EFLAGS: 00010246
13:46:27:RAX: 0000000000000000 RBX: ffff88007bf6dd80 RCX: 0000000000000000
13:46:27:RDX: ffff88007bf6dd80 RSI: 0000000000000057 RDI: ffff88006c2fb800
13:46:27:RBP: ffff88005e3b9820 R08: 20737365636f7250 R09: 0a64657265746e65
13:46:27:R10: 20737365636f7250 R11: 0a64657265746e65 R12: ffff88006c21a600
13:46:27:R13: 0000000000000000 R14: ffff88006ab95000 R15: ffff88006c21a600
13:46:27:FS:  00007f42da509700(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
13:46:27:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
13:46:27:CR2: 00000000000003d0 CR3: 000000005a32c000 CR4: 00000000000006f0
13:46:27:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
13:46:27:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
13:46:27:Process llog_process_th (pid: 25021, threadinfo ffff88005e3b8000, task ffff88007cbb0b40)
13:46:27:Stack:
13:46:27: ffff88005e3b9820 0000000000000000 ffff88007bf477c0 ffff88005e3b9c20
13:46:27:&amp;lt;0&amp;gt; ffff88006c21a200 ffff88007af12000 ffff88005e3b9830 ffffffffa09b7104
13:46:27:&amp;lt;0&amp;gt; ffff88005e3b9970 ffffffffa09ad9c2 ffff88006d7a0c38 ffff88006d7a0c78
13:46:27:Call Trace:
13:46:27: [&amp;lt;ffffffffa09b7104&amp;gt;] mdd_trans_start+0x14/0x20 [mdd]
13:46:27: [&amp;lt;ffffffffa09ad9c2&amp;gt;] mdd_create+0x12f2/0x1c50 [mdd]
13:46:27: [&amp;lt;ffffffffa0b16799&amp;gt;] ? cfs_hash_bd_add_locked+0x29/0x90 [libcfs]
13:46:27: [&amp;lt;ffffffffa03f074d&amp;gt;] ? dt_path_parser+0x3d/0x90 [obdclass]
13:46:27: [&amp;lt;ffffffffa0407d0f&amp;gt;] llo_store_create_index+0x16f/0x220 [obdclass]
13:46:27: [&amp;lt;ffffffffa0916d92&amp;gt;] osd_oi_init+0x2f2/0x4e0 [osd_ldiskfs]
13:46:27: [&amp;lt;ffffffffa0910ab8&amp;gt;] osd_prepare+0x88/0x2c0 [osd_ldiskfs]
13:46:27: [&amp;lt;ffffffffa09b3c5a&amp;gt;] mdd_prepare+0xca/0x5a0 [mdd]
13:46:27: [&amp;lt;ffffffffa0b134f1&amp;gt;] ? libcfs_debug_msg+0x41/0x50 [libcfs]
13:46:27: [&amp;lt;ffffffffa0a12d58&amp;gt;] ? mdt_process_config+0xa8/0xa80 [mdt]
13:46:27: [&amp;lt;ffffffffa0aa9446&amp;gt;] cmm_prepare+0x46/0xa0 [cmm]
13:46:27: [&amp;lt;ffffffffa0a14bd1&amp;gt;] mdt_device_alloc+0x941/0x1a30 [mdt]
13:46:27: [&amp;lt;ffffffffa03ebdef&amp;gt;] ? keys_fill+0x6f/0x1a0 [obdclass]
13:46:27: [&amp;lt;ffffffffa03d68ff&amp;gt;] obd_setup+0x19f/0x280 [obdclass]
13:46:27: [&amp;lt;ffffffffa03d6bf2&amp;gt;] class_setup+0x212/0x730 [obdclass]
13:46:27: [&amp;lt;ffffffffa03dbfbc&amp;gt;] class_process_config+0x97c/0x1670 [obdclass]
13:46:27: [&amp;lt;ffffffffa0b0dd08&amp;gt;] ? libcfs_log_return+0x28/0x40 [libcfs]
13:46:27: [&amp;lt;ffffffffa03d8c89&amp;gt;] ? lustre_cfg_new+0x359/0x640 [obdclass]
13:46:27: [&amp;lt;ffffffffa03dd9ab&amp;gt;] class_config_llog_handler+0x79b/0x1160 [obdclass]
13:46:27: [&amp;lt;ffffffffa03b3158&amp;gt;] llog_process_thread+0x6e8/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffff814f3e0c&amp;gt;] ? kprobe_flush_task+0xbc/0xe0
13:46:27: [&amp;lt;ffffffffa03b2a70&amp;gt;] ? llog_process_thread+0x0/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffff8100c14a&amp;gt;] child_rip+0xa/0x20
13:46:27: [&amp;lt;ffffffffa03b2a70&amp;gt;] ? llog_process_thread+0x0/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffffa03b2a70&amp;gt;] ? llog_process_thread+0x0/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffff8100c140&amp;gt;] ? child_rip+0x0/0x20
13:46:27:Code: 3a ff ff ff 66 0f 1f 44 00 00 49 8b 47 58 0f b7 b3 88 00 00 00 48 8b 40 10 48 8b 78 28 48 8b 87 90 02 00 00 48 8b 80 e0 01 00 00 &amp;lt;3b&amp;gt; b0 d0 03 00 00 0f 8f b3 00 00 00 e8 ee b8 d8 ff 48 3d 00 f0 
13:46:27:RIP  [&amp;lt;ffffffffa090f1b1&amp;gt;] osd_trans_start+0x151/0x4e0 [osd_ldiskfs]
13:46:27: RSP &amp;lt;ffff88005e3b97f0&amp;gt;
13:46:27:CR2: 00000000000003d0
13:46:27:---[ end trace fa7541ee0e91aea2 ]---
13:46:27:Kernel panic - not syncing: Fatal exception
13:46:27:Pid: 25021, comm: llog_process_th Tainted: G      D    ----------------   2.6.32-220.4.2.el6_lustre.x86_64 #1
13:46:27:Call Trace:
13:46:27: [&amp;lt;ffffffff814ec61a&amp;gt;] ? panic+0x78/0x143
13:46:27: [&amp;lt;ffffffff814f07a4&amp;gt;] ? oops_end+0xe4/0x100
13:46:27: [&amp;lt;ffffffff8104234b&amp;gt;] ? no_context+0xfb/0x260
13:46:27: [&amp;lt;ffffffff810425d5&amp;gt;] ? __bad_area_nosemaphore+0x125/0x1e0
13:46:27: [&amp;lt;ffffffff810426a3&amp;gt;] ? bad_area_nosemaphore+0x13/0x20
13:46:27: [&amp;lt;ffffffff81042d5d&amp;gt;] ? __do_page_fault+0x31d/0x480
13:46:27: [&amp;lt;ffffffffa0b12e31&amp;gt;] ? libcfs_debug_vmsg2+0x4e1/0xb60 [libcfs]
13:46:27: [&amp;lt;ffffffff814f275e&amp;gt;] ? do_page_fault+0x3e/0xa0
13:46:27: [&amp;lt;ffffffff814efb15&amp;gt;] ? page_fault+0x25/0x30
13:46:27: [&amp;lt;ffffffffa090f1b1&amp;gt;] ? osd_trans_start+0x151/0x4e0 [osd_ldiskfs]
13:46:27: [&amp;lt;ffffffffa09b7104&amp;gt;] ? mdd_trans_start+0x14/0x20 [mdd]
13:46:27: [&amp;lt;ffffffffa09ad9c2&amp;gt;] ? mdd_create+0x12f2/0x1c50 [mdd]
13:46:27: [&amp;lt;ffffffffa0b16799&amp;gt;] ? cfs_hash_bd_add_locked+0x29/0x90 [libcfs]
13:46:27: [&amp;lt;ffffffffa03f074d&amp;gt;] ? dt_path_parser+0x3d/0x90 [obdclass]
13:46:27: [&amp;lt;ffffffffa0407d0f&amp;gt;] ? llo_store_create_index+0x16f/0x220 [obdclass]
13:46:27: [&amp;lt;ffffffffa0916d92&amp;gt;] ? osd_oi_init+0x2f2/0x4e0 [osd_ldiskfs]
13:46:27: [&amp;lt;ffffffffa0910ab8&amp;gt;] ? osd_prepare+0x88/0x2c0 [osd_ldiskfs]
13:46:27: [&amp;lt;ffffffffa09b3c5a&amp;gt;] ? mdd_prepare+0xca/0x5a0 [mdd]
13:46:27: [&amp;lt;ffffffffa0b134f1&amp;gt;] ? libcfs_debug_msg+0x41/0x50 [libcfs]
13:46:27: [&amp;lt;ffffffffa0a12d58&amp;gt;] ? mdt_process_config+0xa8/0xa80 [mdt]
13:46:27: [&amp;lt;ffffffffa0aa9446&amp;gt;] ? cmm_prepare+0x46/0xa0 [cmm]
13:46:27: [&amp;lt;ffffffffa0a14bd1&amp;gt;] ? mdt_device_alloc+0x941/0x1a30 [mdt]
13:46:27: [&amp;lt;ffffffffa03ebdef&amp;gt;] ? keys_fill+0x6f/0x1a0 [obdclass]
13:46:27: [&amp;lt;ffffffffa03d68ff&amp;gt;] ? obd_setup+0x19f/0x280 [obdclass]
13:46:27: [&amp;lt;ffffffffa03d6bf2&amp;gt;] ? class_setup+0x212/0x730 [obdclass]
13:46:27: [&amp;lt;ffffffffa03dbfbc&amp;gt;] ? class_process_config+0x97c/0x1670 [obdclass]
13:46:27: [&amp;lt;ffffffffa0b0dd08&amp;gt;] ? libcfs_log_return+0x28/0x40 [libcfs]
13:46:27: [&amp;lt;ffffffffa03d8c89&amp;gt;] ? lustre_cfg_new+0x359/0x640 [obdclass]
13:46:27: [&amp;lt;ffffffffa03dd9ab&amp;gt;] ? class_config_llog_handler+0x79b/0x1160 [obdclass]
13:46:27: [&amp;lt;ffffffffa03b3158&amp;gt;] ? llog_process_thread+0x6e8/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffff814f3e0c&amp;gt;] ? kprobe_flush_task+0xbc/0xe0
13:46:27: [&amp;lt;ffffffffa03b2a70&amp;gt;] ? llog_process_thread+0x0/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffff8100c14a&amp;gt;] ? child_rip+0xa/0x20
13:46:27: [&amp;lt;ffffffffa03b2a70&amp;gt;] ? llog_process_thread+0x0/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffffa03b2a70&amp;gt;] ? llog_process_thread+0x0/0xab0 [obdclass]
13:46:27: [&amp;lt;ffffffff8100c140&amp;gt;] ? child_rip+0x0/0x20
14:46:49:********** Timeout by autotest system **********14:47:53:
14:47:53:&amp;lt;ConMan&amp;gt; Console [client-27vm7] disconnected from &amp;lt;client-27:6006&amp;gt; at 09-08 14:47.
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;</comment>
                            <comment id="44991" author="yujian" created="Mon, 17 Sep 2012 01:23:38 +0000"  >&lt;p&gt;Lustre client build: &lt;a href=&quot;http://build.whamcloud.com/job/lustre-b2_3/19&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://build.whamcloud.com/job/lustre-b2_3/19&lt;/a&gt;&lt;br/&gt;
Lustre server build: &lt;a href=&quot;http://build.whamcloud.com/job/lustre-b2_2/17&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://build.whamcloud.com/job/lustre-b2_2/17&lt;/a&gt;&lt;br/&gt;
Distro/Arch: RHEL6.3/x86_64&lt;br/&gt;
&lt;a href=&quot;https://maloo.whamcloud.com/test_sets/efba2fb0-0069-11e2-9f3c-52540035b04c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://maloo.whamcloud.com/test_sets/efba2fb0-0069-11e2-9f3c-52540035b04c&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;We need add Lustre version check code in Lustre b2_3 and master test suites to skip the test.&lt;/p&gt;</comment>
                            <comment id="45023" author="pjones" created="Mon, 17 Sep 2012 08:35:02 +0000"  >&lt;p&gt;Yujian&lt;/p&gt;

&lt;p&gt;Could you please take care of this one?&lt;/p&gt;

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

&lt;p&gt;Peter&lt;/p&gt;</comment>
                            <comment id="45109" author="yujian" created="Mon, 17 Sep 2012 23:57:28 +0000"  >&lt;p&gt;Patch for master branch: &lt;a href=&quot;http://review.whamcloud.com/4018&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://review.whamcloud.com/4018&lt;/a&gt;&lt;br/&gt;
It also needs to be cherry-picked to b2_3 branch.&lt;/p&gt;</comment>
                            <comment id="45384" author="pjones" created="Sat, 22 Sep 2012 01:14:38 +0000"  >&lt;p&gt;Landed for 2.3 and 2.4&lt;/p&gt;</comment>
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