[LU-11786] 6752:0:(osd_handler.c:2308:osd_read_lock()) ASSERTION( obj->oo_owner == ((void *)0) ) failed:

• Type: Bug
• Resolution: Duplicate
• Priority: Major
• Affects Version/s: Lustre 2.10.5
• Environment: kernel: 3.10.0-693.21.1.el7 ; Lustre 2.10.5 ; SRC: https://github.com/jlan/lustre-nas/tree/nas-2.10.5
• Severity: 2
• Assignee: Yang Sheng
• Reporter: Mahmoud Hanafi

Description

MDS hit LBUG.
DUP of LU-10678?

[2470859.924802] LustreError: 6752:0:(osd_handler.c:2308:osd_read_lock()) ASSERTION( obj->oo_owner == ((void *)0) ) failed: 
[2470859.957599] LustreError: 6752:0:(osd_handler.c:2308:osd_read_lock()) LBUG
[2470859.978428] Pid: 6752, comm: mdt00_055 3.10.0-693.21.1.el7.20180508.x86_64.lustre2105 #1 SMP Mon Aug 27 23:04:41 UTC 2018
[2470859.978429] Call Trace:
[2470859.978443]  [<ffffffff8103a1f2>] save_stack_trace_tsk+0x22/0x40
[2470859.996970]  [<ffffffffa08a27cc>] libcfs_call_trace+0x8c/0xc0 [libcfs]
[2470859.996975]  [<ffffffffa08a287c>] lbug_with_loc+0x4c/0xa0 [libcfs]
[2470859.996987]  [<ffffffffa1040a2a>] osd_read_lock+0xda/0xe0 [osd_ldiskfs]
[2470859.996997]  [<ffffffffa12d61ca>] lod_read_lock+0x3a/0xd0 [lod]
[2470859.997006]  [<ffffffffa134e8ea>] mdd_read_lock+0x3a/0xd0 [mdd]
[2470859.997016]  [<ffffffffa135183c>] mdd_xattr_get+0x6c/0x390 [mdd]
[2470859.997032]  [<ffffffffa11f23fd>] mdt_stripe_get+0xcd/0x3c0 [mdt]
[2470859.997043]  [<ffffffffa11f29e9>] mdt_attr_get_complex+0x2f9/0xb10 [mdt]
[2470859.997055]  [<ffffffffa1219e74>] mdt_reint_open+0x1374/0x3190 [mdt]
[2470859.997067]  [<ffffffffa120faf3>] mdt_reint_rec+0x83/0x210 [mdt]
[2470859.997076]  [<ffffffffa11f133b>] mdt_reint_internal+0x5fb/0x9c0 [mdt]
[2470859.997084]  [<ffffffffa11f1862>] mdt_intent_reint+0x162/0x430 [mdt]
[2470859.997093]  [<ffffffffa11fc631>] mdt_intent_policy+0x441/0xc70 [mdt]
[2470859.997138]  [<ffffffffa0bab2ba>] ldlm_lock_enqueue+0x38a/0x980 [ptlrpc]
[2470859.997170]  [<ffffffffa0bd4b53>] ldlm_handle_enqueue0+0x9d3/0x16a0 [ptlrpc]
[2470859.997214]  [<ffffffffa0c5a262>] tgt_enqueue+0x62/0x210 [ptlrpc]
[2470859.997253]  [<ffffffffa0c5deca>] tgt_request_handle+0x92a/0x1370 [ptlrpc]
[2470859.997286]  [<ffffffffa0c064bb>] ptlrpc_server_handle_request+0x23b/0xaa0 [ptlrpc]
[2470859.997318]  [<ffffffffa0c0a4a2>] ptlrpc_main+0xa92/0x1e40 [ptlrpc]
[2470859.997324]  [<ffffffff810b1131>] kthread+0xd1/0xe0
[2470859.997327]  [<ffffffff816a14f7>] ret_from_fork+0x77/0xb0
[2470859.997345]  [<ffffffffffffffff>] 0xffffffffffffffff

We have the crash dump if need.

Issue Links

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