[LU-4350] Failure on test suite parallel-scale test_write_disjoint: ASSERTION( cl_lock_is_mutexed(child) ) failed

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Critical
• Affects Version/s: Lustre 2.6.0
• Environment: lustre-master build #1791 RHEL6 ldiskfs
• Severity: 3
• Assignee: Jinshan Xiong (Inactive)
• Reporter: Maloo

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: http://maloo.whamcloud.com/test_sets/48ece26c-5d39-11e3-8d08-52540035b04c.

The sub-test test_write_disjoint failed with the following error:

test failed to respond and timed out

client console shows:

23:53:20:Lustre: DEBUG MARKER: == parallel-scale test write_disjoint: write_disjoint == 23:40:38 (1386142838)
23:53:20:LustreError: 27701:0:(lov_lock.c:216:lov_sublock_lock()) ASSERTION( cl_lock_is_mutexed(child) ) failed: 
23:53:20:LustreError: 27701:0:(lov_lock.c:216:lov_sublock_lock()) LBUG
23:53:21:Pid: 27701, comm: write_disjoint
23:53:21:
23:53:21:Call Trace:
23:53:21: [<ffffffffa03be895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
23:53:22: [<ffffffffa03bee97>] lbug_with_loc+0x47/0xb0 [libcfs]
23:53:22: [<ffffffffa0a56248>] lov_sublock_lock+0x238/0x2c0 [lov]
23:53:22: [<ffffffffa0a57b8b>] lov_lock_enqueue+0x17b/0x850 [lov]
23:53:22: [<ffffffffa0538647>] ? cl_lock_state_signal+0x87/0x160 [obdclass]
23:53:23: [<ffffffffa053c00c>] cl_enqueue_try+0xfc/0x300 [obdclass]
23:53:23: [<ffffffffa053d25f>] cl_enqueue_locked+0x6f/0x1f0 [obdclass]
23:53:23: [<ffffffffa053deae>] cl_lock_request+0x7e/0x270 [obdclass]
23:53:23: [<ffffffffa0542e8c>] cl_io_lock+0x3cc/0x560 [obdclass]
23:53:23: [<ffffffffa05430c2>] cl_io_loop+0xa2/0x1b0 [obdclass]
23:53:23: [<ffffffffa0b03436>] ll_file_io_generic+0x2b6/0x710 [lustre]
23:53:23: [<ffffffffa0532789>] ? cl_env_get+0x29/0x350 [obdclass]
23:53:24: [<ffffffffa0b04102>] ll_file_aio_write+0x142/0x2c0 [lustre]
23:53:24: [<ffffffffa0b043ec>] ll_file_write+0x16c/0x2a0 [lustre]
23:53:24: [<ffffffff81181398>] vfs_write+0xb8/0x1a0
23:53:24: [<ffffffff81181c91>] sys_write+0x51/0x90
23:53:25: [<ffffffff810dc685>] ? __audit_syscall_exit+0x265/0x290
23:53:25: [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
23:53:25:
23:53:25:Kernel panic - not syncing: LBUG
23:53:25:Pid: 27701, comm: write_disjoint Not tainted 2.6.32-358.23.2.el6.x86_64 #1
23:53:26:Call Trace:
23:53:26: [<ffffffff8150daac>] ? panic+0xa7/0x16f
23:53:26: [<ffffffffa03beeeb>] ? lbug_with_loc+0x9b/0xb0 [libcfs]
23:53:26: [<ffffffffa0a56248>] ? lov_sublock_lock+0x238/0x2c0 [lov]
23:53:27: [<ffffffffa0a57b8b>] ? lov_lock_enqueue+0x17b/0x850 [lov]
23:53:27: [<ffffffffa0538647>] ? cl_lock_state_signal+0x87/0x160 [obdclass]
23:53:27: [<ffffffffa053c00c>] ? cl_enqueue_try+0xfc/0x300 [obdclass]
23:53:27: [<ffffffffa053d25f>] ? cl_enqueue_locked+0x6f/0x1f0 [obdclass]
23:53:27: [<ffffffffa053deae>] ? cl_lock_request+0x7e/0x270 [obdclass]
23:53:28: [<ffffffffa0542e8c>] ? cl_io_lock+0x3cc/0x560 [obdclass]
23:53:28: [<ffffffffa05430c2>] ? cl_io_loop+0xa2/0x1b0 [obdclass]
23:53:28: [<ffffffffa0b03436>] ? ll_file_io_generic+0x2b6/0x710 [lustre]
23:53:28: [<ffffffffa0532789>] ? cl_env_get+0x29/0x350 [obdclass]
23:53:29: [<ffffffffa0b04102>] ? ll_file_aio_write+0x142/0x2c0 [lustre]
23:53:29: [<ffffffffa0b043ec>] ? ll_file_write+0x16c/0x2a0 [lustre]
23:53:29: [<ffffffff81181398>] ? vfs_write+0xb8/0x1a0
23:53:29: [<ffffffff81181c91>] ? sys_write+0x51/0x90
23:53:29: [<ffffffff810dc685>] ? __audit_syscall_exit+0x265/0x290
23:53:29: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
23:53:29:Initializing cgroup subsys cpuset
23:53:30:Initializing cgroup subsys cpu