[LU-6190] replay-single test_73a: (ldlm_lib.c:1389:target_finish_recovery()) LBUG

• Status: Closed
• Project: Lustre
• Affects Version/s: Lustre 2.7.0
• Type: Bug
• Priority: Minor
• Reporter: Maloo
• Assignee: Mikhail Pershin
• Resolution: Cannot Reproduce
• Labels: zfs

Environment

server and client: lustre-master build # 2835 RHEL6 zfs

• Severity: 3

Description

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

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/216f2a96-a7df-11e4-95cf-5254006e85c2.

The sub-test test_73a failed with the following error:

test failed to respond and timed out

MDT console

22:45:17:Lustre: lustre-MDT0000-lwp-MDT0000: Connection restored to lustre-MDT0000 (at 0@lo)
22:45:17:LustreError: 4271:0:(ldlm_lib.c:1387:target_finish_recovery()) lustre-MDT0000: Recovery queues ( lock ) are not empty
22:45:17:LustreError: 4271:0:(ldlm_lib.c:1389:target_finish_recovery()) LBUG
22:45:17:Pid: 4271, comm: tgt_recov
22:45:17:
22:45:17:Call Trace:
22:45:17: [<ffffffffa0606895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
22:45:17: [<ffffffffa0606e97>] lbug_with_loc+0x47/0xb0 [libcfs]
22:45:17: [<ffffffffa095b328>] target_recovery_thread+0x19f8/0x1a10 [ptlrpc]
22:45:17: [<ffffffffa0959930>] ? target_recovery_thread+0x0/0x1a10 [ptlrpc]
22:45:17: [<ffffffff8109abf6>] kthread+0x96/0xa0
22:45:17: [<ffffffff8100c20a>] child_rip+0xa/0x20
22:45:17: [<ffffffff8109ab60>] ? kthread+0x0/0xa0
22:45:17: [<ffffffff8100c200>] ? child_rip+0x0/0x20
22:45:17:
22:45:17:Kernel panic - not syncing: LBUG
22:45:17:Pid: 4271, comm: tgt_recov Tainted: P           ---------------    2.6.32-431.29.2.el6_lustre.g52480e5.x86_64 #1
22:45:17:Call Trace:
22:45:17: [<ffffffff81528fdc>] ? panic+0xa7/0x16f
22:45:17: [<ffffffffa0606eeb>] ? lbug_with_loc+0x9b/0xb0 [libcfs]
22:45:17: [<ffffffffa095b328>] ? target_recovery_thread+0x19f8/0x1a10 [ptlrpc]
22:45:17: [<ffffffffa0959930>] ? target_recovery_thread+0x0/0x1a10 [ptlrpc]
22:45:17: [<ffffffff8109abf6>] ? kthread+0x96/0xa0
22:45:17: [<ffffffff8100c20a>] ? child_rip+0xa/0x20
22:45:17: [<ffffffff8109ab60>] ? kthread+0x0/0xa0
22:45:17: [<ffffffff8100c200>] ? child_rip+0x0/0x20
22:45:17:Initializing cgroup subsys cpuset
22:45:17:Initializing cgroup subsys cpu

Comments

[Vladimir Saveliev]

22:45:17:LustreError: 4271:0:(ldlm_lib.c:1387:target_finish_recovery()) lustre-MDT0000: Recovery queues ( lock ) are not empty

This could be a result of lightweight reconnect during recovery and could be fixed in course of -LU-6629-.