[LU-9785] lov_io_slice_init()) ASSERTION( obj->lo_lsm != ((void *)0) ) failed

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.7
• Affects Version/s: Lustre 2.10.0
• Severity: 3
• Assignee: Oleg Drokin
• Reporter: Oleg Drokin

Description

Hit this testing latest master out of the blue in pfl code.

[ 6742.349293] Lustre: DEBUG MARKER: == sanity test 405: Various layout swap lock tests =================================================== 03:39:21 (1500449961)
[ 6759.313039] LustreError: 3443:0:(lov_io.c:210:lov_io_slice_init()) ASSERTION( obj->lo_lsm != ((void *)0) ) failed: 
[ 6759.314174] LustreError: 3443:0:(lov_io.c:210:lov_io_slice_init()) LBUG
[ 6759.314832] Pid: 3443, comm: kworker/u16:1
[ 6759.315510] 
Call Trace:
[ 6759.316629]  [<ffffffffa01cf7ce>] libcfs_call_trace+0x4e/0x60 [libcfs]
[ 6759.318199]  [<ffffffffa01cf85c>] lbug_with_loc+0x4c/0xb0 [libcfs]
[ 6759.318925]  [<ffffffffa07a1a52>] lov_io_init_composite+0x4d2/0x560 [lov]
[ 6759.319495]  [<ffffffffa07af80e>] lov_io_init+0xce/0x3e0 [lov]
[ 6759.320094]  [<ffffffffa0389d38>] cl_io_init0.isra.17+0x88/0x160 [obdclass]
[ 6759.320682]  [<ffffffffa0389eca>] cl_io_init+0x3a/0x80 [obdclass]
[ 6759.321334]  [<ffffffffa0ddcf08>] cl_sync_file_range+0x1b8/0x380 [lustre]
[ 6759.322072]  [<ffffffffa0dfea6a>] ll_writepages+0x7a/0x200 [lustre]
[ 6759.322626]  [<ffffffff8117e8b1>] do_writepages+0x21/0x50
[ 6759.323185]  [<ffffffff81218f50>] __writeback_single_inode+0x40/0x2b0
[ 6759.323853]  [<ffffffff81219c11>] writeback_sb_inodes+0x2b1/0x4d0
[ 6759.324401]  [<ffffffff81219ecf>] __writeback_inodes_wb+0x9f/0xd0
[ 6759.324976]  [<ffffffff8121a76b>] wb_writeback+0x28b/0x340
[ 6759.325714]  [<ffffffff8121c9cc>] bdi_writeback_workfn+0x20c/0x4e0
[ 6759.326303]  [<ffffffff8109add6>] process_one_work+0x206/0x5b0
[ 6759.326989]  [<ffffffff8109ad6b>] ? process_one_work+0x19b/0x5b0
[ 6759.327544]  [<ffffffff8109b29b>] worker_thread+0x11b/0x3a0
[ 6759.328165]  [<ffffffff8109b180>] ? worker_thread+0x0/0x3a0
[ 6759.329849]  [<ffffffff810a2eda>] kthread+0xea/0xf0
[ 6759.330412]  [<ffffffff810a2df0>] ? kthread+0x0/0xf0
[ 6759.332153]  [<ffffffff8170fbd8>] ret_from_fork+0x58/0x90
[ 6759.332533]  [<ffffffff810a2df0>] ? kthread+0x0/0xf0
[ 6759.332926] 
[ 6759.333275] Kernel panic - not syncing: LBUG

crashdump and modules in /exports/crashdumps/192.168.10.224-2017-07-19-03\:39\:44
tag in my tree master-20170719

Comments

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/33965/
Subject: LU-9785 lov: take lov layout lock for I/O with ignore_layout
Project: fs/lustre-release
Branch: b2_10
Current Patch Set:
Commit: 4d8aa0ed769a233f49a641dab00452a67ef3e6ce

[Gerrit Updater]

Andreas Dilger ([e-mail]) uploaded a new patch: https://review.whamcloud.com/33965
Subject: LU-9785 lov: take lov layout lock for I/O with ignore_layout
Project: fs/lustre-release
Branch: b2_10
Current Patch Set: 1
Commit: 04db28ac8434d39fa28492e1a1ba6867f7af50f1

[Joseph Gmitter (Inactive)]

Patch was landed to master for 2.11.0.

[Gerrit Updater]

Jinshan Xiong ([e-mail]) merged in patch https://review.whamcloud.com/29638/
Subject: LU-9785 lov: take lov layout lock for I/O with ignore_layout
Project: fs/lustre-release
Branch: flr
Current Patch Set:
Commit: e43b0e5c0ccbacd8adf30713babd865b5a7c58c7

[Gerrit Updater]

Jinshan Xiong ([e-mail]) uploaded a new patch: https://review.whamcloud.com/29638
Subject: LU-9785 lov: take lov layout lock for I/O with ignore_layout
Project: fs/lustre-release
Branch: flr
Current Patch Set: 1
Commit: 70f6175d4845a8eda6683fcc7c104be9ce5987aa