[LU-7416] <1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 <1>IP: [] lustre_msg_get_last_committed+0xe

Mon, 30 Nov 2015 17:36:20 +0000

<1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
<1>IP: [<ffffffffa0b8219e>] lustre_msg_get_last_committed+0xe/0x100 [ptlrpc]
<4>PGD 0
<4>Oops: 0000 1 SMP
<4>last sysfs file: /sys/devices/pci0000:00/0000:00:11.0/0000:07:00.0/host1/port-1:1/end_device-1:1/target1:0:1/1:0:1:0/state
<4>CPU 17
<4>Modules linked in: osp(U) mdd(U) lod(U) mdt(U) lfsck(U) mgs(U) mgc(U) osd_ldiskfs(U) ldiskfs(U) jbd2 lquota(U) lustre(U) lov(U) mdc(U) fid(U) lmv(U) fld(U) ko2iblnd(U) ptlrpc(U) obdclass(U) lnet(U) sha512_generic crc32c_intel libcfs(U) 8021q garp stp llc nfsd exportfs nfs lockd fscache auth_rpcgss nfs_acl sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm scsi_dh_rdac dm_round_robin dm_multipath microcode iTCO_wdt iTCO_vendor_support zfs(P)(U) zcommon(P)(U) znvpair(P)(U) spl(U) zlib_deflate zavl(P)(U) zunicode(P)(U) sb_edac edac_core lpc_ich mfd_core i2c_i801 ioatdma sg igb dca i2c_algo_bit i2c_core ptp pps_core ext3 jbd mbcache sd_mod crc_t10dif ahci isci libsas wmi mpt2sas scsi_transport_sas raid_class mlx4_ib ib_sa ib_mad ib_core ib_addr ipv6 mlx4_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
<4>
<4>Pid: 46750, comm: umount Tainted: P --------------- 2.6.32-504.30.3.el6_lustre.gb64632c.x86_64 #1 Intel Corporation S2600GZ ........../S2600GZ
<4>RIP: 0010:[<ffffffffa0b8219e>] [<ffffffffa0b8219e>] lustre_msg_get_last_committed+0xe/0x100 [ptlrpc]
<4>RSP: 0018:ffff8803d54d5858 EFLAGS: 00010292
<4>RAX: 0000000000000001 RBX: ffff8807f49316c0 RCX: 0000000000000000
<4>RDX: ffffffffa14ed225 RSI: 0000000000000000 RDI: 0000000000000000
<4>RBP: ffff8803d54d5868 R08: 0000000000000c10 R09: 00000000fffffffc
<4>R10: 0000000000000001 R11: 000000000000000f R12: ffff8803ed67e3c0
<4>R13: 00000000ffffff92 R14: ffff88081dc68880 R15: ffff88081dc688b0
<4>FS: 00007f614fcfa740(0000) GS:ffff880038320000(0000) knlGS:0000000000000000
<4>CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
<4>CR2: 0000000000000008 CR3: 00000003caa58000 CR4: 00000000000407e0
<4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<4>Process umount (pid: 46750, threadinfo ffff8803d54d4000, task ffff8803f19a6ab0)
<4>Stack:
<4> 00000000fffffff9 ffff8807f49316c0 ffff8803d54d5898 ffffffffa14e8586
<4><d> ffff8807f49316c0 ffff8807f49316d8 ffff8807f49316c0 ffff88081dc68880
<4><d> ffff8803d54d58b8 ffffffffa0b6eb19 ffff88081dc68800 ffff880740a28080
<4>Call Trace:
<4> [<ffffffffa14e8586>] osp_request_commit_cb+0x56/0x2b0 [osp]
<4> [<ffffffffa0b6eb19>] ptlrpc_free_request+0x39/0x70 [ptlrpc]
<4> [<ffffffffa0b6ec88>] ptlrpc_free_committed+0x138/0x770 [ptlrpc]
<4> [<ffffffffa0b6ffe8>] ptlrpc_abort_inflight+0x318/0x320 [ptlrpc]
<4> [<ffffffffa0b9aa5c>] ptlrpc_deactivate_import+0x7c/0x3d0 [ptlrpc]
<4> [<ffffffffa14bf0ea>] osp_disconnect+0x5a/0x160 [osp]
<4> [<ffffffffa14c65c8>] osp_process_config+0x478/0x670 [osp]
<4> [<ffffffffa13d5750>] lod_sub_process_config+0x100/0x1f0 [lod]
<4> [<ffffffffa13db11f>] lod_process_config+0x61f/0x1830 [lod]
<4> [<ffffffffa080bb61>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
<4> [<ffffffffa1457fe4>] mdd_process_config+0x114/0x5d0 [mdd]
<4> [<ffffffffa130808e>] mdt_device_fini+0x3ee/0xf40 [mdt]
<4> [<ffffffffa092a4cd>] ? class_disconnect_exports+0x17d/0x2f0 [obdclass]
<4> [<ffffffffa0944582>] class_cleanup+0x572/0xd20 [obdclass]
<4> [<ffffffffa0925146>] ? class_name2dev+0x56/0xe0 [obdclass]
<4> [<ffffffffa0946c06>] class_process_config+0x1ed6/0x2830 [obdclass]
<4> [<ffffffffa080bb61>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
<4> [<ffffffffa0947a1f>] class_manual_cleanup+0x4bf/0x8e0 [obdclass]
<4> [<ffffffffa0925146>] ? class_name2dev+0x56/0xe0 [obdclass]
<4> [<ffffffffa097f91c>] server_put_super+0xa0c/0xed0 [obdclass]
<4> [<ffffffff811ac776>] ? invalidate_inodes+0xf6/0x190
<4> [<ffffffff81190b7b>] generic_shutdown_super+0x5b/0xe0
<4> [<ffffffff81190c66>] kill_anon_super+0x16/0x60
<4> [<ffffffffa094a8d6>] lustre_kill_super+0x36/0x60 [obdclass]
<4> [<ffffffff81191407>] deactivate_super+0x57/0x80
<4> [<ffffffff811b10df>] mntput_no_expire+0xbf/0x110
<4> [<ffffffff811b1c2b>] sys_umount+0x7b/0x3a0

Whamcloud Community JIRA

[LU-7416] <1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 <1>IP: [] lustre_msg_get_last_committed+0xe