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  1. Lustre
  2. LU-11613

MDS and OSS locked up wait_transaction_locked+0x85/0xd0 [jbd2]

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Details

    • Bug
    • Resolution: Duplicate
    • Critical
    • None
    • Lustre 2.10.5
    • None
    • 2
    • 9223372036854775807

    Description

      Hi 

      We are experiencing the Lustre MDS and OSS server deadlock with high CPU usage and once the server is rebooted the file system goes back to normal. By looking at the stack traces this looks similar to LU-11465

      Here are the stack trace from MDS server.

       

      Nov  3 19:02:14 mds rsyslogd: -- MARK --
Nov  3 19:07:07 mds kernel: [468204.667688] INFO: task jbd2/dm-0:5862 blocked for more than 120 seconds.
Nov  3 19:07:07 mds kernel: [468204.687998] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov  3 19:07:07 mds kernel: [468204.711686] jbd2/dm-0       D ffff883fcf614f10     0  5862      2 0x00000080
Nov  3 19:07:07 mds kernel: [468204.711693] Call Trace:
Nov  3 19:07:07 mds kernel: [468204.719277]  [<ffffffff81694cd9>] schedule+0x29/0x70
Nov  3 19:07:07 mds kernel: [468204.719303]  [<ffffffffa01822b6>] jbd2_journal_commit_transaction+0x246/0x19a0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719309]  [<ffffffff810cac9e>] ? account_entity_dequeue+0xae/0xd0
Nov  3 19:07:07 mds kernel: [468204.719312]  [<ffffffff810ce77c>] ? dequeue_entity+0x11c/0x5e0
Nov  3 19:07:07 mds kernel: [468204.719315]  [<ffffffff810c8185>] ? sched_clock_cpu+0x85/0xc0
Nov  3 19:07:07 mds kernel: [468204.719318]  [<ffffffff8102954d>] ? __switch_to+0xcd/0x4b0
Nov  3 19:07:07 mds kernel: [468204.719322]  [<ffffffff810b20a0>] ? wake_up_atomic_t+0x30/0x30
Nov  3 19:07:07 mds kernel: [468204.719324]  [<ffffffff816946f7>] ? __schedule+0x477/0xa30
Nov  3 19:07:07 mds kernel: [468204.719328]  [<ffffffff810998ee>] ? try_to_del_timer_sync+0x5e/0x90
Nov  3 19:07:07 mds kernel: [468204.719334]  [<ffffffffa0188ab9>] kjournald2+0xc9/0x260 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719336]  [<ffffffff810b20a0>] ? wake_up_atomic_t+0x30/0x30
Nov  3 19:07:07 mds kernel: [468204.719341]  [<ffffffffa01889f0>] ? commit_timeout+0x10/0x10 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719343]  [<ffffffff810b1131>] kthread+0xd1/0xe0
Nov  3 19:07:07 mds kernel: [468204.719345]  [<ffffffff810b1060>] ? insert_kthread_work+0x40/0x40
Nov  3 19:07:07 mds kernel: [468204.719347]  [<ffffffff816a14f7>] ret_from_fork+0x77/0xb0
Nov  3 19:07:07 mds kernel: [468204.719349]  [<ffffffff810b1060>] ? insert_kthread_work+0x40/0x40
Nov  3 19:07:07 mds kernel: [468204.719351] INFO: task mdt00_002:5872 blocked for more than 120 seconds.
Nov  3 19:07:07 mds kernel: [468204.719352] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov  3 19:07:07 mds kernel: [468204.719354] mdt00_002       D ffff881fc0dd4f10     0  5872      2 0x00000080
Nov  3 19:07:07 mds kernel: [468204.719354] Call Trace:
Nov  3 19:07:07 mds kernel: [468204.719356]  [<ffffffff81694cd9>] schedule+0x29/0x70
Nov  3 19:07:07 mds kernel: [468204.719361]  [<ffffffffa017f085>] wait_transaction_locked+0x85/0xd0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719362]  [<ffffffff810b20a0>] ? wake_up_atomic_t+0x30/0x30
Nov  3 19:07:07 mds kernel: [468204.719367]  [<ffffffffa017f368>] add_transaction_credits+0x268/0x2f0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719371]  [<ffffffffa017f5e1>] start_this_handle+0x1a1/0x430 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719385]  [<ffffffffa1087fba>] ? osd_declare_write+0x1ea/0x450 [osd_ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.719390]  [<ffffffff811df622>] ? kmem_cache_alloc+0x1c2/0x1f0
Nov  3 19:07:07 mds kernel: [468204.719394]  [<ffffffffa017fa93>] jbd2__journal_start+0xf3/0x1f0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.719401]  [<ffffffffa1069c8e>] ? osd_trans_start+0x1ae/0x460 [osd_ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.719410]  [<ffffffffa0fcb909>] __ldiskfs_journal_start_sb+0x69/0xe0 [ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.719415]  [<ffffffffa1069c8e>] osd_trans_start+0x1ae/0x460 [osd_ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.719430]  [<ffffffffa1232da7>] mdt_empty_transno+0xf7/0x840 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719439]  [<ffffffffa1235ede>] mdt_mfd_open+0x8de/0xe70 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719446]  [<ffffffffa120e012>] ? mdt_pack_acl2body+0x1b2/0x800 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719454]  [<ffffffffa12369eb>] mdt_finish_open+0x57b/0x690 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719462]  [<ffffffffa12382c8>] mdt_reint_open+0x17c8/0x3190 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719495]  [<ffffffffa09b2311>] ? upcall_cache_get_entry+0x211/0x8f0 [obdclass]
Nov  3 19:07:07 mds kernel: [468204.719513]  [<ffffffffa09b726e>] ? lu_ucred+0x1e/0x30 [obdclass]
Nov  3 19:07:07 mds kernel: [468204.719523]  [<ffffffffa121d9e5>] ? mdt_ucred+0x15/0x20 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719532]  [<ffffffffa121e2b1>] ? mdt_root_squash+0x21/0x430 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719542]  [<ffffffffa122daf3>] mdt_reint_rec+0x83/0x210 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719551]  [<ffffffffa120f33b>] mdt_reint_internal+0x5fb/0x9c0 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719560]  [<ffffffffa120f862>] mdt_intent_reint+0x162/0x430 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719569]  [<ffffffffa121a631>] mdt_intent_policy+0x441/0xc70 [mdt]
Nov  3 19:07:07 mds kernel: [468204.719614]  [<ffffffffa0b801db>] ? ldlm_resource_get+0xab/0xa60 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719640]  [<ffffffffa0b792ba>] ldlm_lock_enqueue+0x38a/0x980 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719678]  [<ffffffffa0ba2b53>] ldlm_handle_enqueue0+0x9d3/0x16a0 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719715]  [<ffffffffa0bcada0>] ? lustre_swab_ldlm_lock_desc+0x30/0x30 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719761]  [<ffffffffa0c28262>] tgt_enqueue+0x62/0x210 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719800]  [<ffffffffa0c2beca>] tgt_request_handle+0x92a/0x1370 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719836]  [<ffffffffa0bd44bb>] ptlrpc_server_handle_request+0x23b/0xaa0 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719872]  [<ffffffffa0bd29b8>] ? ptlrpc_wait_event+0x98/0x340 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719877]  [<ffffffff810c4d40>] ? wake_up_state+0x20/0x20
Nov  3 19:07:07 mds kernel: [468204.719911]  [<ffffffffa0bd84a2>] ptlrpc_main+0xa92/0x1e40 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719946]  [<ffffffffa0bd7a10>] ? ptlrpc_register_service+0xe30/0xe30 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.719952]  [<ffffffff810b1131>] kthread+0xd1/0xe0
Nov  3 19:07:07 mds kernel: [468204.719955]  [<ffffffff810b1060>] ? insert_kthread_work+0x40/0x40
Nov  3 19:07:07 mds kernel: [468204.719958]  [<ffffffff816a14f7>] ret_from_fork+0x77/0xb0
Nov  3 19:07:07 mds kernel: [468204.719961]  [<ffffffff810b1060>] ? insert_kthread_work+0x40/0x40
Nov  3 19:07:07 mds kernel: [468204.719963] INFO: task mdt01_001:5874 blocked for more than 120 seconds.
Nov  3 19:07:07 mds kernel: [468204.719965] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov  3 19:07:07 mds kernel: [468204.719971] mdt01_001       D ffff881fc0dd0fd0     0  5874      2 0x00000080
Nov  3 19:07:07 mds kernel: [468204.719974] Call Trace:
Nov  3 19:07:07 mds kernel: [468204.720005]  [<ffffffffa0bae0a0>] ? ldlm_pool_add+0x80/0xf0 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720010]  [<ffffffff81694cd9>] schedule+0x29/0x70
Nov  3 19:07:07 mds kernel: [468204.720018]  [<ffffffffa017f085>] wait_transaction_locked+0x85/0xd0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.720022]  [<ffffffff810b20a0>] ? wake_up_atomic_t+0x30/0x30
Nov  3 19:07:07 mds kernel: [468204.720028]  [<ffffffffa017f368>] add_transaction_credits+0x268/0x2f0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.720035]  [<ffffffffa017f5e1>] start_this_handle+0x1a1/0x430 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.720048]  [<ffffffffa1087fba>] ? osd_declare_write+0x1ea/0x450 [osd_ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.720053]  [<ffffffff811df622>] ? kmem_cache_alloc+0x1c2/0x1f0
Nov  3 19:07:07 mds kernel: [468204.720059]  [<ffffffffa017fa93>] jbd2__journal_start+0xf3/0x1f0 [jbd2]
Nov  3 19:07:07 mds kernel: [468204.720068]  [<ffffffffa1069c8e>] ? osd_trans_start+0x1ae/0x460 [osd_ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.720078]  [<ffffffffa0fcb909>] __ldiskfs_journal_start_sb+0x69/0xe0 [ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.720088]  [<ffffffffa1069c8e>] osd_trans_start+0x1ae/0x460 [osd_ldiskfs]
Nov  3 19:07:07 mds kernel: [468204.720100]  [<ffffffffa1232da7>] mdt_empty_transno+0xf7/0x840 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720112]  [<ffffffffa1235ede>] mdt_mfd_open+0x8de/0xe70 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720124]  [<ffffffffa120e012>] ? mdt_pack_acl2body+0x1b2/0x800 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720136]  [<ffffffffa12369eb>] mdt_finish_open+0x57b/0x690 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720149]  [<ffffffffa12382c8>] mdt_reint_open+0x17c8/0x3190 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720170]  [<ffffffffa09b2311>] ? upcall_cache_get_entry+0x211/0x8f0 [obdclass]
Nov  3 19:07:07 mds kernel: [468204.720190]  [<ffffffffa09b726e>] ? lu_ucred+0x1e/0x30 [obdclass]
Nov  3 19:07:07 mds kernel: [468204.720202]  [<ffffffffa121d9e5>] ? mdt_ucred+0x15/0x20 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720214]  [<ffffffffa121e2b1>] ? mdt_root_squash+0x21/0x430 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720227]  [<ffffffffa122daf3>] mdt_reint_rec+0x83/0x210 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720239]  [<ffffffffa120f33b>] mdt_reint_internal+0x5fb/0x9c0 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720249]  [<ffffffffa120f862>] mdt_intent_reint+0x162/0x430 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720262]  [<ffffffffa121a631>] mdt_intent_policy+0x441/0xc70 [mdt]
Nov  3 19:07:07 mds kernel: [468204.720291]  [<ffffffffa0b801db>] ? ldlm_resource_get+0xab/0xa60 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720319]  [<ffffffffa0b792ba>] ldlm_lock_enqueue+0x38a/0x980 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720350]  [<ffffffffa0ba2b53>] ldlm_handle_enqueue0+0x9d3/0x16a0 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720382]  [<ffffffffa0bcada0>] ? lustre_swab_ldlm_lock_desc+0x30/0x30 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720418]  [<ffffffffa0c28262>] tgt_enqueue+0x62/0x210 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720456]  [<ffffffffa0c2beca>] tgt_request_handle+0x92a/0x1370 [ptlrpc]
Nov  3 19:07:07 mds kernel: [468204.720491]  [<ffffffffa0bd44bb>] ptlrpc_server_handle_request+0x23b/0xaa0 [ptlrpc]
Nov  3 19:07:14 mds kernel: [468204.720525]  [<ffffffffa0bd29b8>] ? ptlrpc_wait_event+0x98/0x340 [ptlrpc]
Nov  3 19:07:14 mds kernel: [468204.720529]  [<ffffffff810c4d52>] ? default_wake_function+0x12/0x20
Nov  3 19:07:14 mds kernel: [468204.720531]  [<ffffffff810bad2b>] ? __wake_up_common+0x5b/0x90
Nov  3 19:07:14 mds kernel: [468204.720564]  [<ffffffffa0bd84a2>] ptlrpc_main+0xa92/0x1e40 [ptlrpc]
Nov  3 19:07:14 mds kernel: [468204.720597]  [<ffffffffa0bd7a10>] ? ptlrpc_register_service+0xe30/0xe30 [ptlrpc]
Nov  3 19:07:14 mds kernel: [468204.720600]  [<ffffffff810b1131>] kthread+0xd1/0xe0
Nov  3 19:07:14 mds kernel: [468204.720602]  [<ffffffff810b1060>] ? insert_kthread_work+0x40/0x40
Nov  3 19:07:14 mds kernel: [468204.720603]  [<ffffffff816a14f7>] ret_from_fork+0x77/0xb0
Nov  3 19:07:14 mds kernel: [468204.720605]  [<ffffffff810b1060>] ? insert_kthread_work+0x40/0x40
Nov  3 19:07:14 mds kernel: [468204.720609] INFO: task osp-pre-141-0:5909 blocked for more than 120 seconds.
Nov  3 19:07:14 mds kernel: [468204.720610] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov  3 19:07:14 mds kernel: [468204.720612] osp-pre-141-0   D ffff881fd0621fa0     0  5909      2 0x00000080

       

       

       

      Here are the stack trace from the OSS server.

       

      Nov  3 19:08:40 oss kernel: [469273.871420] Pid: 85809, comm: ll_ost_io01_185 3.10.0-693.21.1.el7.20180508.x86_64.lustre2105 #1 SMP Mon Aug 27 23:04:41 UTC 2018
Nov  3 19:08:40 oss kernel: [469273.871421] Call Trace:
Nov  3 19:08:40 oss kernel: [469273.871450]  [<ffffffffa0179085>] wait_transaction_locked+0x85/0xd0 [jbd2]
Nov  3 19:08:40 oss kernel: [469273.892337]  [<ffffffffa0179368>] add_transaction_credits+0x268/0x2f0 [jbd2]
Nov  3 19:08:40 oss kernel: [469273.892340]  [<ffffffffa01795e1>] start_this_handle+0x1a1/0x430 [jbd2]
Nov  3 19:08:40 oss kernel: [469273.892344]  [<ffffffffa0179a93>] jbd2__journal_start+0xf3/0x1f0 [jbd2]
Nov  3 19:08:40 oss kernel: [469273.892358]  [<ffffffffa14a7909>] __ldiskfs_journal_start_sb+0x69/0xe0 [ldiskfs]
Nov  3 19:08:40 oss kernel: [469273.892370]  [<ffffffffa108dc8e>] osd_trans_start+0x1ae/0x460 [osd_ldiskfs]
Nov  3 19:08:40 oss kernel: [469273.892378]  [<ffffffffa111127e>] ofd_trans_start+0x6e/0xf0 [ofd]
Nov  3 19:08:40 oss kernel: [469273.892383]  [<ffffffffa111772b>] ofd_commitrw_write+0x94b/0x1c90 [ofd]
Nov  3 19:08:40 oss kernel: [469273.892394]  [<ffffffffa111b779>] ofd_commitrw+0x4c9/0xae0 [ofd]
Nov  3 19:08:40 oss kernel: [469273.892456]  [<ffffffffa0c52510>] obd_commitrw+0x2f3/0x336 [ptlrpc]
Nov  3 19:08:40 oss kernel: [469273.892504]  [<ffffffffa0c25145>] tgt_brw_write+0xfb5/0x1780 [ptlrpc]
Nov  3 19:08:40 oss kernel: [469273.892539]  [<ffffffffa0c20eca>] tgt_request_handle+0x92a/0x1370 [ptlrpc]
Nov  3 19:08:40 oss kernel: [469273.892570]  [<ffffffffa0bc94bb>] ptlrpc_server_handle_request+0x23b/0xaa0 [ptlrpc]
Nov  3 19:08:40 oss kernel: [469273.892600]  [<ffffffffa0bcd4a2>] ptlrpc_main+0xa92/0x1e40 [ptlrpc]
Nov  3 19:08:40 oss kernel: [469273.892609]  [<ffffffff810b1131>] kthread+0xd1/0xe0
Nov  3 19:08:40 oss kernel: [469273.892616]  [<ffffffff816a14f7>] ret_from_fork+0x77/0xb0
Nov  3 19:08:40 oss kernel: [469273.892624]  [<ffffffffffffffff>] 0xffffffffffffffff
Nov  3 19:08:40 oss kernel: [469273.892627] LustreError: dumping log to /tmp/lustre-log.1541297320.85809
Nov  3 19:08:53 oss kernel: [469287.156081] LNet: Service thread pid 85694 was inactive for 301.11s. The thread might be hung, or it might only be slow and will resume later. Dumping the stack trace for debugging purposes:
Nov  3 19:08:53 oss kernel: [469287.207070] Pid: 85694, comm: ll_ost_io00_185 3.10.0-693.21.1.el7.20180508.x86_64.lustre2105 #1 SMP Mon Aug 27 23:04:41 UTC 2018
Nov  3 19:08:53 oss kernel: [469287.207071] Call Trace:
Nov  3 19:08:53 oss kernel: [469287.207100]  [<ffffffffa0179085>] wait_transaction_locked+0x85/0xd0 [jbd2]
Nov  3 19:08:53 oss kernel: [469287.227995]  [<ffffffffa0179368>] add_transaction_credits+0x268/0x2f0 [jbd2]
Nov  3 19:08:53 oss kernel: [469287.227999]  [<ffffffffa01795e1>] start_this_handle+0x1a1/0x430 [jbd2]
Nov  3 19:08:53 oss kernel: [469287.228002]  [<ffffffffa0179a93>] jbd2__journal_start+0xf3/0x1f0 [jbd2]
Nov  3 19:08:53 oss kernel: [469287.228010]  [<ffffffffa14a7909>] __ldiskfs_journal_start_sb+0x69/0xe0 [ldiskfs]
Nov  3 19:08:53 oss kernel: [469287.228024]  [<ffffffffa108dc8e>] osd_trans_start+0x1ae/0x460 [osd_ldiskfs]
Nov  3 19:08:53 oss kernel: [469287.228036]  [<ffffffffa1117ce3>] ofd_commitrw_write+0xf03/0x1c90 [ofd]
Nov  3 19:08:53 oss kernel: [469287.228042]  [<ffffffffa111b779>] ofd_commitrw+0x4c9/0xae0 [ofd]
Nov  3 19:08:53 oss kernel: [469287.228084]  [<ffffffffa0c52510>] obd_commitrw+0x2f3/0x336 [ptlrpc]
Nov  3 19:08:53 oss kernel: [469287.228125]  [<ffffffffa0c25145>] tgt_brw_write+0xfb5/0x1780 [ptlrpc]
Nov  3 19:08:53 oss kernel: [469287.228160]  [<ffffffffa0c20eca>] tgt_request_handle+0x92a/0x1370 [ptlrpc]
Nov  3 19:08:53 oss kernel: [469287.228192]  [<ffffffffa0bc94bb>] ptlrpc_server_handle_request+0x23b/0xaa0 [ptlrpc]
Nov  3 19:08:53 oss kernel: [469287.228224]  [<ffffffffa0bcd4a2>] ptlrpc_main+0xa92/0x1e40 [ptlrpc]
Nov  3 19:08:53 oss kernel: [469287.228227]  [<ffffffff810b1131>] kthread+0xd1/0xe0
Nov  3 19:08:53 oss kernel: [469287.228230]  [<ffffffff816a14f7>] ret_from_fork+0x77/0xb0
Nov  3 19:08:53 oss kernel: [469287.228235]  [<ffffffffffffffff>] 0xffffffffffffffff

       

       

      If you need complete crash dump then let me know and I will upload it.

      Thank You,

                        Manish

       

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. LU-10048 osd-ldiskfs to truncate outside of main transaction

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-11465 OSS/MDS deadlock in 2.10.5

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

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              bzzz Alex Zhuravlev
              manishpatel Manish (Inactive)
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