[LU-9774] sanity/27D fails with LBUG

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.11.0
• Affects Version/s: Lustre 2.10.0
• Severity: 3
• Assignee: WC Triage
• Reporter: Alex Zhuravlev

Description

Lustre: DEBUG MARKER: == sanity test 27D: validate llapi_layout API == 17:59:35 (1499785175)
LustreError: 21371:0:(obd_config.c:1431:class_process_proc_param()) lustre-clilov-ffff88011b1a9400: error writing proc 'stripecount=-1'='-1': rc = -34
LustreError: 14377:0:(mdt_lib.c:600:mdt_dump_lmm()) ASSERTION( count <= 2000 ) failed:
LustreError: 14377:0:(mdt_lib.c:600:mdt_dump_lmm()) LBUG
Pid: 14377, comm: mdt00_006

Call Trace:
[<ffffffffa0449722>] libcfs_debug_dumpstack+0x52/0x80 [libcfs]
[<ffffffffa04497ec>] lbug_with_loc+0x3c/0xa0 [libcfs]
[<ffffffffa0dc4d9d>] mdt_dump_lmm+0x2fd/0x330 [mdt]
[<ffffffffa0db2002>] ? mdt_pack_attr2body+0x1a2/0x460 [mdt]
[<ffffffffa0db419b>] mdt_getattr_internal+0x51b/0xfc0 [mdt]
[<ffffffffa0db7871>] mdt_getattr_name_lock+0xb11/0x1900 [mdt]
[<ffffffffa07a075c>] ? lustre_msg_get_flags+0x2c/0xa0 [ptlrpc]
[<ffffffffa0db8908>] mdt_intent_getattr+0x2a8/0x460 [mdt]
[<ffffffffa0dbd7fd>] mdt_intent_policy+0x5ad/0xdd0 [mdt]
[<ffffffffa0753f9f>] ldlm_lock_enqueue+0x31f/0x920 [ptlrpc]
[<ffffffffa077b243>] ldlm_handle_enqueue0+0x9b3/0x1740 [ptlrpc]
[<ffffffffa0455d0c>] ? libcfs_debug_msg+0x3c/0x40 [libcfs]
[<ffffffffa07feb1d>] tgt_enqueue+0x5d/0x230 [ptlrpc]
[<ffffffffa0802055>] tgt_request_handle+0x885/0x1560 [ptlrpc]
[<ffffffffa07af886>] ptlrpc_main+0xf96/0x2960 [ptlrpc]
[<ffffffff810661f5>] ? dequeue_task+0x65/0x90
[<ffffffffa07ae8f0>] ? ptlrpc_main+0x0/0x2960 [ptlrpc]
[<ffffffff8105d9fb>] kthread+0xbb/0xc0
[<ffffffff8105d940>] ? kthread+0x0/0xc0
[<ffffffff814a6988>] ret_from_fork+0x58/0x90
[<ffffffff8105d940>] ? kthread+0x0/0xc0

Comments

[Peter Jones]

Landed for 2.11

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/29188/
Subject: LU-9774 mdt: mdt_dump_lmm(), don't panic
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: fb73c2ae38716ba026baec64c56f15602b91ca6e

[Gerrit Updater]

Alex Zhuravlev ([e-mail]) uploaded a new patch: https://review.whamcloud.com/29188
Subject: LU-9774 mdt: mdt_dump_lmm(), don't panic
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: f9d7a3684005fd015f34fe9b770bd241502cd29a

[Alex Zhuravlev]

still hitting this locally