2011-09-29 07:51:30 LustreError: 19065:0:(ldlm_lock.c:1568:ldlm_lock_cancel()) ### lock still has references ns: lsa-MDT0000-mdc-ffff810332040400 lock: ffff810263a92e00/0xb23761f5d085be87 lrc: 4/0,1 mode: PW/PW res: 578792285/4020328757 rrc: 2 type: FLK pid: 21451 [0->9223372036854775807] flags: 0x22002890 remote: 0x1f055096a089059 expref: -99 pid: 21451 timeout: 0
2011-09-29 07:51:30 LustreError: 19065:0:(ldlm_lock.c:1569:ldlm_lock_cancel()) LBUG
2011-09-29 07:51:30 Pid: 19065, comm: umount
2011-09-29 07:51:30 
2011-09-29 07:51:30 Call Trace:
2011-09-29 07:51:30  [<ffffffff885f778f>] libcfs_debug_dumpstack+0x5f/0x80 [libcfs]
2011-09-29 07:51:30  [<ffffffff885f7cbf>] lbug_with_loc+0x7f/0xd0 [libcfs]
2011-09-29 07:51:30  [<ffffffff887aa5ef>] ldlm_lock_cancel+0xaf/0x170 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887a5192>] lock_res_and_lock+0xc2/0xe0 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887c04de>] ldlm_cli_cancel_local+0x15e/0x2e0 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff8001b14f>] vsnprintf+0x619/0x661
2011-09-29 07:51:30  [<ffffffff887c2868>] ldlm_cli_cancel+0x158/0x3e0 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff885f7174>] set_ptldebug_header+0x34/0x90 [libcfs]
2011-09-29 07:51:30  [<ffffffff887adf03>] cleanup_resource+0x223/0x320 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff80093560>] __activate_task+0x56/0x6d
2011-09-29 07:51:30  [<ffffffff887ae0c1>] ldlm_namespace_cleanup+0xc1/0x220 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887c171a>] ldlm_cancel_resource_local+0x20a/0x290 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887ad271>] ldlm_resource_putref_internal+0x231/0x460 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887ae2a6>] __ldlm_namespace_free+0x86/0x5d0 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887c199d>] ldlm_cli_cancel_unused_resource+0x1fd/0x290 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff88973c60>] ll_extent_lock_cancel_cb+0x0/0x3d0 [lustre]
2011-09-29 07:51:30  [<ffffffff887ad4ae>] ldlm_resource_putref_locked+0xe/0x10 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887c44d4>] ldlm_cli_cancel_unused+0x264/0x310 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887ae8af>] ldlm_namespace_free_prior+0xbf/0x180 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff887b569e>] client_disconnect_export+0x3ce/0x540 [ptlrpc]
2011-09-29 07:51:30  [<ffffffff885f8419>] cfs_free+0x9/0x10 [libcfs]
2011-09-29 07:51:30  [<ffffffff888d8aa2>] mdc_fid_fini+0x182/0x210 [mdc]
2011-09-29 07:51:30  [<ffffffff88989c65>] client_common_put_super+0x875/0x970 [lustre]
2011-09-29 07:51:30  [<ffffffff8898a1c7>] ll_put_super+0x1a7/0x310 [lustre]
2011-09-29 07:51:30  [<ffffffff8003def3>] destroy_inode+0x48/0x5d
2011-09-29 07:51:30  [<ffffffff80035f8b>] dispose_list+0xc7/0xdd
2011-09-29 07:51:30  [<ffffffff800f6bb4>] invalidate_inodes+0xd9/0xeb
2011-09-29 07:51:30  [<ffffffff800edcf5>] generic_shutdown_super+0x7b/0xfe
2011-09-29 07:51:30  [<ffffffff800eddcf>] kill_anon_super+0x11/0x3c
2011-09-29 07:51:30  [<ffffffff8874c61a>] lustre_kill_super+0x3a/0x50 [obdclass]
2011-09-29 07:51:30  [<ffffffff800ede8a>] deactivate_super+0x69/0x7e
2011-09-29 07:51:30  [<ffffffff8002d7d2>] mntput_no_expire+0x50/0x8b
2011-09-29 07:51:30  [<ffffffff80032cd4>] path_release_on_umount+0x1d/0x22
2011-09-29 07:51:30  [<ffffffff800f8450>] sys_umount+0x249/0x281
2011-09-29 07:51:31  [<ffffffff80023d28>] sys_newstat+0x22/0x3c
2011-09-29 07:51:31  [<ffffffff80060116>] system_call+0x7e/0x83
2011-09-29 07:51:31 
2011-09-29 07:51:31 Sep 29 07:51:30 sierra32 LustreEKernel panic - not syncing: LBUG
2011-09-29 07:51:31 rror: 19065:0:(l Linux version 2.6.18-107chaos (mockbuild@chaos4-builder1) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu Jun 23 14:36:14 PDT 2011
[cut]
2011-09-29 07:54:18 The dumpfile is saved to /var/crash/vmcore-sierra32-2011-09-29-14:51:47.