https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-76 Lustre <p>Oracle reports this failure:<br/> 2010-11-02 12:42:17 Lustre: DEBUG MARKER: == runracer test 1: racer on clients: sfire31,sfire32<br/> DURATION=120 ================================== 12:39:34 (1288723174)<br/> 2010-11-02 12:42:40 general protection fault: 0000 <span class="error">&#91;1&#93;</span> SMP <br/> 2010-11-02 12:42:40 last sysfs file: /devices/pci0000:00/0000:00:09.0/irq<br/> 2010-11-02 12:42:40 CPU 3 <br/> 2010-11-02 12:42:40 Modules linked in: llite_lloop(U) lustre(U) mgc(U) lov(U) mdc(U) lmv(U) fid(U)<br/> fld(U) lquota(U) osc(U) obdecho(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) libcfs(U)<br/> autofs4 hidp rfcomm l2cap bluetooth ipv6 xfrm_nalgo crypto_api loop dm_mirror dm_log dm_multipath<br/> scsi_dh dm_mod raid1 video backlight sbs power_meter i2c_ec dell_wmi wmi button battery asus_acpi<br/> acpi_memhotplug ac parport_pc lp parport sd_mod sg sata_nv pcspkr ohci_hcd i2c_nforce2 shpchp<br/> libata i2c_core ehci_hcd scsi_mod forcedeth k8temp k8_edac edac_mc hwmon serio_raw tg3 nfs lockd<br/> fscache nfs_acl sunrpc<br/> 2010-11-02 12:42:40 Pid: 27192, comm: ldlm_bl_08 Tainted: G 2.6.18-194.17.1.0.1.el5 #1<br/> 2010-11-02 12:42:40 RIP: 0010:<span class="error">&#91;&lt;ffffffff885c4215&gt;&#93;</span> <span class="error">&#91;&lt;ffffffff885c4215&gt;&#93;</span><br/> :ptlrpc:_ldlm_lock_debug+0x545/0x6d0<br/> 2010-11-02 12:42:40 RSP: 0000:ffff81010f451c80 EFLAGS: 00010246<br/> 2010-11-02 12:42:40 RAX: 5a5a5a5a5a5a5a5a RBX: ffff8101080e9840 RCX: ffffffff88657298<br/> 2010-11-02 12:42:40 RDX: 0000000000010000 RSI: 0000000000010000 RDI: 0000000000000000<br/> 2010-11-02 12:42:40 RBP: 0000000000006f10 R08: ffffffff8864e220 R09: 00000000000005b0<br/> 2010-11-02 12:42:40 R10: ffff8101122b9900 R11: 0000000000000000 R12: 00000000ffffff9d<br/> 2010-11-02 12:42:40 R13: ffff81010f451ee0 R14: ffffffff88657428 R15: 0000000000010000<br/> 2010-11-02 12:42:40 FS: 00002ac83f14e230(0000) GS:ffff81011fc819c0(0000) knlGS:00000000f7f1b6c0<br/> 2010-11-02 12:42:40 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b<br/> 2010-11-02 12:42:40 CR2: 0000003168952990 CR3: 0000000105cd8000 CR4: 00000000000006e0<br/> 2010-11-02 12:42:40 Process ldlm_bl_08 (pid: 27192, threadinfo ffff81010f450000, task<br/> ffff810111ca7100)<br/> 2010-11-02 12:42:40 Stack: ffffffff00000000 ffffffff88661d78 ffffffff88661d87 0000000200000407<br/> 2010-11-02 12:42:40 ffff8101122b9900 45bcf320a97fb383 0000006000000005 ffffffff00000001<br/> 2010-11-02 12:42:40 0000000000000000 ffffffff88661d78 ffffffff88661d81 5a5a5a5a5a5a5a5a<br/> 2010-11-02 12:42:40 Call Trace:<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff80062ff8&gt;&#93;</span> thread_return+0x62/0xfe<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff885e46b0&gt;&#93;</span> :ptlrpc:ldlm_handle_bl_callback+0x90/0x260<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff8003bc4c&gt;&#93;</span> remove_wait_queue+0x1c/0x2c<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff885eaf54&gt;&#93;</span> :ptlrpc:ldlm_bl_thread_main+0x284/0x410<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff8008cfbc&gt;&#93;</span> default_wake_function+0x0/0xe<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff800b7aa5&gt;&#93;</span> audit_syscall_exit+0x336/0x362<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff8005dfb1&gt;&#93;</span> child_rip+0xa/0x11<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff885eacd0&gt;&#93;</span> :ptlrpc:ldlm_bl_thread_main+0x0/0x410<br/> 2010-11-02 12:42:40 <span class="error">&#91;&lt;ffffffff8005dfa7&gt;&#93;</span> child_rip+0x0/0x11</p> <p>We don't have any available debug data for this ourselves.</p> LU-76

Racer kernel panic in _ldlm_lock_debug

Bug Minor Resolved Cannot Reproduce Oleg Drokin Oleg Drokin Wed, 9 Feb 2011 12:51:50 +0000 Mon, 29 May 2017 00:34:19 +0000 Mon, 29 May 2017 00:34:19 +0000 Lustre 2.0.0 Lustre 2.1.0 Lustre 1.8.6 0 1 <p>Branch: b1_8<br/> Client Distro/Arch: RHEL6.0/x86_64 (patchless kernel version: 2.6.32-71.18.2.el6.x86_64)<br/> Server Distro/Arch: CentOS5.5/x86_64 (kernel version: 2.6.18-194.17.1.el5_lustre.20110407083448)<br/> Network Type: IB (in-kernel OFED)<br/> Client Nodes: client-8, client-9<br/> MDS Node: client-16<br/> OSS Node: fat-amd-4 (6 OSTs)</p> <p>While running racer test on Toro cluster, one client node (client-8) hit kernel panic as follows:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Lustre: DEBUG MARKER: -----============= acceptance-small: racer ============----- Tue Apr 12 05:03:34 PDT 2011 Lustre: DEBUG MARKER: excepting tests: Lustre: DEBUG MARKER: Using TIMEOUT=20 Lustre: DEBUG MARKER: == test 1: racer on clients: client-8-ib,client-9-ib DURATION=900 == 05:03:36 (1302609816) LustreError: 10180:0:(file.c:3329:ll_inode_revalidate_fini()) failure -2 inode 94042 BUG: unable to handle kernel paging request at 0000000273713030 IP: [&lt;ffffffffa09504c6&gt;] _ldlm_lock_debug+0xf6/0x680 [ptlrpc] PGD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/virtual/block/lloop14/removable CPU 3 Modules linked in: llite_lloop(U) lustre(U) mgc(U) lov(U) osc(U) mdc(U) lquota(U) ko2iblnd(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 rdma_cm iw_cm ib_addr nfs lockd fscache nfs_acl auth_rpcgss autofs4 sunrpc ib_ipoib ib_cm ib_sa ipv6 serio_raw i2c_i801 i2c_core sg iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core mlx4_ib ib_mad ib_core mlx4_en mlx4_core igb dca ext3 jbd mbcache sd_mod crc_t10dif ahci dm_mod [last unloaded: libcfs] Modules linked in: llite_lloop(U) lustre(U) mgc(U) lov(U) osc(U) mdc(U) lquota(U) ko2iblnd(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 rdma_cm iw_cm ib_addr nfs lockd fscache nfs_acl auth_rpcgss autofs4 sunrpc ib_ipoib ib_cm ib_sa ipv6 serio_raw i2c_i801 i2c_core sg iTCO_wdt iTCO_vendor_support ioatdma i7core_edac edac_core mlx4_ib ib_mad ib_core mlx4_en mlx4_core igb dca ext3 jbd mbcache sd_mod crc_t10dif ahci dm_mod [last unloaded: libcfs] Pid: 12199, comm: ldlm_bl_00 Not tainted 2.6.32-71.18.2.el6.x86_64 #1 X8DTT RIP: 0010:[&lt;ffffffffa09504c6&gt;] [&lt;ffffffffa09504c6&gt;] _ldlm_lock_debug+0xf6/0x680 [ptlrpc] RSP: 0018:ffff8802f7f1bcc0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8802f35b5800 RCX: ffffffffa09d2070 RDX: 0000000010000000 RSI: 0000000000010000 RDI: ffff8802f364e000 RBP: ffff8802f7f1be10 R08: ffffffffa09caa70 R09: 000000000000058d R10: 0000000000010000 R11: ffffffffa09d1e40 R12: 000000005a5a5a5a R13: 00000000ffffff9d R14: 0000000000007646 R15: 0000000000000000 FS: 00007fcf9ca59700(0000) GS:ffff880032e60000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000273713030 CR3: 0000000001001000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process ldlm_bl_00 (pid: 12199, threadinfo ffff8802f7f1a000, task ffff8802f763b520) Stack: ffffffffa09da57c 0000000000026928 ffff8802f7f1bd10 ffffffff8105c806 &lt;0&gt; ffff880200000002 ffffffffa09da594 ffff880032e169f0 ffff8802f763b558 &lt;0&gt; 0000000000000001 ffff8802f763b520 ffff8802f7f1bd40 ffffffff81061c21 Call Trace: [&lt;ffffffff8105c806&gt;] ? update_curr+0xe6/0x1e0 [&lt;ffffffff81061c21&gt;] ? dequeue_entity+0x1a1/0x1e0 [&lt;ffffffff81059dc2&gt;] ? finish_task_switch+0x42/0xd0 [&lt;ffffffff814c8fb6&gt;] ? thread_return+0x4e/0x778 [&lt;ffffffffa0952fed&gt;] ? ldlm_lock_put+0x19d/0x450 [ptlrpc] [&lt;ffffffffa09751dd&gt;] ldlm_handle_bl_callback+0x1ad/0x260 [ptlrpc] [&lt;ffffffff810921ac&gt;] ? remove_wait_queue+0x3c/0x50 [&lt;ffffffffa097df71&gt;] ldlm_bl_thread_main+0x1f1/0x440 [ptlrpc] [&lt;ffffffff8111f059&gt;] ? free_pages+0x49/0x50 [&lt;ffffffff8105c540&gt;] ? default_wake_function+0x0/0x20 [&lt;ffffffff810141ca&gt;] child_rip+0xa/0x20 [&lt;ffffffffa097dd80&gt;] ? ldlm_bl_thread_main+0x0/0x440 [ptlrpc] [&lt;ffffffff810141c0&gt;] ? child_rip+0x0/0x20 Code: 44 89 b4 24 90 00 00 00 44 89 ac 24 88 00 00 00 48 8b 97 c8 00 00 00 48 89 94 24 80 00 00 00 48 8b 97 f0 00 00 00 48 89 54 24 78 &lt;4a&gt; 8b 14 e5 60 5d 9e a0 48 89 54 24 70 48 8b 93 88 00 00 00 48 RIP [&lt;ffffffffa09504c6&gt;] _ldlm_lock_debug+0xf6/0x680 [ptlrpc] RSP &lt;ffff8802f7f1bcc0&gt; CR2: 0000000273713030 ---[ end trace ec850569dd6fda5e ]--- Kernel panic - not syncing: Fatal exception </pre> </div></div> <p>The console log of client-8 is in the attachment.</p> <p>Close old bug.</p> Bugzilla ID 24099.0 Development Rank 1|hzw06n: Rank (Obsolete) 10109 Severity