[LU-2163] racer test_1: LBUG: ASSERTION( !list_empty(&job->js_list) ) failed

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.3.0, Lustre 2.4.0
• Affects Version/s: Lustre 2.3.0, Lustre 2.4.0
• Severity: 3
• Assignee: Oleg Drokin
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://maloo.whamcloud.com/test_sets/aeb1821c-1472-11e2-8ca0-52540035b04c.

The sub-test test_1 hung and console log on MDS showed that:

15:23:56:LustreError: 4359:0:(lprocfs_jobstats.c:248:lprocfs_job_stats_log()) ASSERTION( !list_empty(&job->js_list) ) failed: 
15:23:56:LustreError: 4359:0:(lprocfs_jobstats.c:248:lprocfs_job_stats_log()) LBUG
15:23:56:Pid: 4359, comm: mdt00_022
15:23:56:
15:23:56:Call Trace:
15:23:56: [<ffffffffa0f3d905>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
15:23:56: [<ffffffffa0f3df17>] lbug_with_loc+0x47/0xb0 [libcfs]
15:23:56: [<ffffffffa1043c91>] lprocfs_job_stats_log+0x711/0x870 [obdclass]
15:23:56: [<ffffffffa097d6a3>] mdt_counter_incr+0xc3/0xe0 [mdt]
15:23:56: [<ffffffffa0954511>] mdt_getattr_internal+0x171/0xf10 [mdt]
15:23:56: [<ffffffffa0958d5d>] mdt_getattr_name_lock+0xe8d/0x1950 [mdt]
15:23:56: [<ffffffffa11d671d>] ? lustre_msg_buf+0x5d/0x60 [ptlrpc]
15:23:56: [<ffffffffa1203cb6>] ? __req_capsule_get+0x176/0x750 [ptlrpc]
15:23:56: [<ffffffffa11d8b04>] ? lustre_msg_get_flags+0x34/0xb0 [ptlrpc]
15:23:56: [<ffffffffa0959e45>] mdt_intent_getattr+0x375/0x590 [mdt]
15:23:56: [<ffffffffa0957191>] mdt_intent_policy+0x371/0x6a0 [mdt]
15:23:56: [<ffffffffa118f881>] ldlm_lock_enqueue+0x361/0x8f0 [ptlrpc]
15:23:56: [<ffffffffa11b79bf>] ldlm_handle_enqueue0+0x48f/0xf70 [ptlrpc]
15:23:56: [<ffffffffa0957506>] mdt_enqueue+0x46/0x130 [mdt]
15:23:56: [<ffffffffa094e802>] mdt_handle_common+0x922/0x1740 [mdt]
15:23:56: [<ffffffffa094f6f5>] mdt_regular_handle+0x15/0x20 [mdt]
15:23:56: [<ffffffffa11e7b3c>] ptlrpc_server_handle_request+0x41c/0xe00 [ptlrpc]
15:23:56: [<ffffffffa0f3e65e>] ? cfs_timer_arm+0xe/0x10 [libcfs]
15:23:56: [<ffffffffa11def37>] ? ptlrpc_wait_event+0xa7/0x2a0 [ptlrpc]
15:23:56: [<ffffffff810533f3>] ? __wake_up+0x53/0x70
15:23:56: [<ffffffffa11e9111>] ptlrpc_main+0xbf1/0x19e0 [ptlrpc]
15:23:56: [<ffffffffa11e8520>] ? ptlrpc_main+0x0/0x19e0 [ptlrpc]
15:23:56: [<ffffffff8100c14a>] child_rip+0xa/0x20
15:23:56: [<ffffffffa11e8520>] ? ptlrpc_main+0x0/0x19e0 [ptlrpc]
15:23:56: [<ffffffffa11e8520>] ? ptlrpc_main+0x0/0x19e0 [ptlrpc]
15:23:56: [<ffffffff8100c140>] ? child_rip+0x0/0x20
15:23:56:
15:23:56:Kernel panic - not syncing: LBUG

Info required for matching: racer 1