[LU-9156] parallel-scale test_metabench: test failed to respond and timed out

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Lustre 2.10.0, Lustre 2.11.0
• Environment: trevis-36vm1/2/7/8, Full Group test, ; RHEL7.3/zfs, branch master, v2.9.53.19.gdad9ce4, b3534
• Severity: 3
• Assignee: WC Triage
• Reporter: James Casper

Description

https://testing.hpdd.intel.com/test_sessions/e072c616-f8f8-11e6-aac4-5254006e85c2

From Client 2 console:

05:47:50:[15560.679336] kworker/0:1     D 0000000000000000     0  6749      2 0x00000080
05:47:50:[15560.680977] Workqueue: events key_garbage_collector
05:47:50:[15560.682439]  ffff88003604bc40 0000000000000046 ffff88007aafce70 ffff88003604bfd8
05:47:50:[15560.684148]  ffff88003604bfd8 ffff88003604bfd8 ffff88007aafce70 ffff88003604bd80
05:47:50:[15560.685840]  ffff88003604bd88 7fffffffffffffff ffff88007aafce70 0000000000000000
05:47:50:[15560.687529] Call Trace:
05:47:50:[15560.688780]  [<ffffffff8168b979>] schedule+0x29/0x70
05:47:50:[15560.690227]  [<ffffffff816893c9>] schedule_timeout+0x239/0x2d0
05:47:50:[15560.691732]  [<ffffffff811dc341>] ? __slab_free+0x81/0x2f0
05:47:50:[15560.693210]  [<ffffffff810a5cdc>] ? insert_work+0x4c/0xa0
05:47:50:[15560.694666]  [<ffffffff811dc341>] ? __slab_free+0x81/0x2f0
05:47:50:[15560.696107]  [<ffffffff8168bd56>] wait_for_completion+0x116/0x170
05:47:50:[15560.697604]  [<ffffffff810c4fd0>] ? wake_up_state+0x20/0x20
05:47:50:[15560.699063]  [<ffffffff81138a30>] ? __call_rcu+0x2c0/0x2c0
05:47:50:[15560.700518]  [<ffffffff810ad1bb>] wait_rcu_gp+0x5b/0x80
05:47:50:[15560.701979]  [<ffffffff810ad140>] ? ftrace_raw_output_rcu_utilization+0x50/0x50
05:47:50:[15560.703560]  [<ffffffff8113862b>] synchronize_sched+0x3b/0x50
05:47:50:[15560.705020]  [<ffffffff8129b47d>] key_garbage_collector+0x1cd/0x390
05:47:50:[15560.706513]  [<ffffffff810a805b>] process_one_work+0x17b/0x470
05:47:50:[15560.707970]  [<ffffffff810a8e96>] worker_thread+0x126/0x410
05:47:50:[15560.709415]  [<ffffffff810a8d70>] ? rescuer_thread+0x460/0x460
05:47:50:[15560.710882]  [<ffffffff810b064f>] kthread+0xcf/0xe0
05:47:50:[15560.712267]  [<ffffffff810b0580>] ? kthread_create_on_node+0x140/0x140
05:47:50:[15560.713767]  [<ffffffff81696818>] ret_from_fork+0x58/0x90
05:47:50:[15560.715157]  [<ffffffff810b0580>] ? kthread_create_on_node+0x140/0x140