[LU-10678] LBUG: osd_handler.c:2353:osd_read_lock()) ASSERTION( obj->oo_owner == ((void *)0) ) failed:

• Type: Bug
• Resolution: Not a Bug
• Priority: Major
• Affects Version/s: Lustre 2.11.0
• Labels: soak
• Environment: Soak stress cluster - Lustre version=2.10.57_58_gf24340c.
• Assignee: Yang Sheng
• Reporter: Cliff White (Inactive)

Description

Soak MDT was in normal operation. Sudden LBUG

Feb 16 09:28:39 soak-8 kernel: LustreError: 2688:0:(osd_handler.c:2353:osd_read_lock()) ASSERTION( obj->oo_owner == ((void *)0) ) failed:
Feb 16 09:28:39 soak-8 kernel: LustreError: 2688:0:(osd_handler.c:2353:osd_read_lock()) LBUG
Feb 16 09:28:39 soak-8 kernel: Pid: 2688, comm: mdt00_028
Feb 16 09:28:39 soak-8 kernel: #012Call Trace:
Feb 16 09:28:39 soak-8 kernel: [<ffffffffc0dbc7ae>] libcfs_call_trace+0x4e/0x60 [libcfs]
Feb 16 09:28:39 soak-8 kernel: [<ffffffffc0dbc83c>] lbug_with_loc+0x4c/0xb0 [libcfs]
Feb 16 09:28:39 soak-8 kernel: [<ffffffffc140599a>] osd_read_lock+0xda/0xe0 [osd_ldiskfs]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc1691287>] lod_read_lock+0x37/0xd0 [lod]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc17125c7>] mdd_read_lock+0x37/0xd0 [mdd]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc1715dcc>] mdd_xattr_get+0x6c/0x390 [mdd]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc1593c3f>] mdt_pack_acl2body+0x1af/0x800 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc15beaf9>] mdt_finish_open+0x289/0x690 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc15c120b>] mdt_reint_open+0x230b/0x3260 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc0f27d2e>] ? upcall_cache_get_entry+0x20e/0x8f0 [obdclass]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc15a4b43>] ? ucred_set_jobid+0x53/0x70 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc15b5400>] mdt_reint_rec+0x80/0x210 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc1594f8b>] mdt_reint_internal+0x5fb/0x9c0 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc15a1437>] mdt_intent_reint+0x157/0x420 [mdt]
Feb 16 09:28:40 soak-8 kernel: [<ffffffffc15980b2>] mdt_intent_opc+0x442/0xad0 [mdt]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc1144470>] ? lustre_swab_ldlm_intent+0x0/0x20 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc159fc63>] mdt_intent_policy+0x1a3/0x360 [mdt]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc10f4202>] ldlm_lock_enqueue+0x382/0x8f0 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc111c753>] ldlm_handle_enqueue0+0x8f3/0x13e0 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc11444f0>] ? lustre_swab_ldlm_request+0x0/0x30 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc11a2202>] tgt_enqueue+0x62/0x210 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc11aa405>] tgt_request_handle+0x925/0x13b0 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc114e58e>] ptlrpc_server_handle_request+0x24e/0xab0 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc114b448>] ? ptlrpc_wait_event+0x98/0x340 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffff810c6440>] ? default_wake_function+0x0/0x20
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc1151d42>] ptlrpc_main+0xa92/0x1e40 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffffc11512b0>] ? ptlrpc_main+0x0/0x1e40 [ptlrpc]
Feb 16 09:28:41 soak-8 kernel: [<ffffffff810b252f>] kthread+0xcf/0xe0
Feb 16 09:28:42 soak-8 kernel: [<ffffffff810b2460>] ? kthread+0x0/0xe0
Feb 16 09:28:42 soak-8 kernel: [<ffffffff816b8798>] ret_from_fork+0x58/0x90
Feb 16 09:28:42 soak-8 kernel: [<ffffffff810b2460>] ? kthread+0x0/0xe0
Feb 16 09:28:42 soak-8 kernel:

Issue Links

• is duplicated by: LU-11786 6752:0:(osd_handler.c:2308:osd_read_lock()) ASSERTION( obj->oo_owner == ((void *)0) ) failed:
• is duplicated by: LU-12508 (llite_mmap.c:71:our_vma()) ASSERTION( !down_write_trylock(&mm->mmap_sem) ) failed when writing in multiple threads
• is related to: LU-15156 Back port upstream patch for rwsem issue