[LU-10049] LBUG osp_sync.c:1221:osp_sync_thread()

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Affects Version/s: Lustre 2.11.0
• Environment: onyx, interop; servers: el7, ldiskfs, branch b2_10, v2.10.0, b5; clients: el7, branch master, v2.10.53.1, b3642
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: James Casper

Description

https://testing.hpdd.intel.com/test_sessions/9190c674-0d59-40b3-b6ac-c598d222045f

conf-sanity, test_106: test failed to respond and timed out

From MDS console:

LustreError: 4422:0:(osp_sync.c:1221:osp_sync_thread()) LBUG

libcfs_call_trace+0x4e/0x60 [libcfs]
lbug_with_loc+0x4c/0xb0 [libcfs]
osp_sync_thread+0x952/0x9d0 [osp]
? __switch_to+0xd9/0x4c0
? osp_sync_thread+0x0/0x9d0 [osp]
kthread+0xcf/0xe0
? kthread+0x0/0xe0
ret_from_fork+0x58/0x90
? kthread+0x0/0xe0

Kernel panic - not syncing: LBUG

dump_stack+0x19/0x1b
panic+0xe3/0x1f2
lbug_with_loc+0x64/0xb0 [libcfs]
osp_sync_thread+0x952/0x9d0 [osp]
? __switch_to+0xd9/0x4c0
? osp_sync_process_committed+0x6c0/0x6c0 [osp]
kthread+0xcf/0xe0
? kthread_create_on_node+0x140/0x140
ret_from_fork+0x58/0x90
? kthread_create_on_node+0x140/0x140