[LU-13913] conf-sanity test_76c timeout on OST umount

Wed, 19 Aug 2020 20:46:43 +0000

This issue was created by maloo for Vitaly Fertman <vitaly_fertman@xyratex.com>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/3a02918c-1d8e-4916-b764-ebafb0d2ada1

test_76c failed with the following error:

Timeout occurred after 431 mins, last suite running was conf-sanity

[23039.500104] INFO: task umount:26752 blocked for more than 120 seconds.
[23039.501319] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[23039.502603] umount D ffff94ec48b95230 0 26752 26751 0x00000080
[23039.503847] Call Trace:
[23039.504284] [<ffffffffb8985da9>] schedule+0x29/0x70
[23039.505231] [<ffffffffb89837f8>] schedule_timeout+0x168/0x2d0
[23039.506201] [<ffffffffb82ae150>] ? __internal_add_timer+0x130/0x130
[23039.507316] [<ffffffffb89839be>] schedule_timeout_uninterruptible+0x1e/0x20
[23039.508672] [<ffffffffc0ea3731>] obd_exports_barrier+0x81/0x180 [obdclass]
[23039.509886] [<ffffffffc1560e42>] ofd_device_fini+0xa2/0x2e0 [ofd]
[23039.510981] [<ffffffffc0ebb6d8>] class_cleanup+0x9b8/0xc50 [obdclass]
[23039.512145] [<ffffffffc0ebc617>] class_process_config+0x677/0x2f10 [obdclass]
[23039.513345] [<ffffffffc0ebf076>] class_manual_cleanup+0x1c6/0x720 [obdclass]
[23039.514644] [<ffffffffc0ef5975>] server_put_super+0xa05/0xf40 [obdclass]
[23039.515790] [<ffffffffb846c4fb>] ? evict_inodes+0xdb/0x140
[23039.516791] [<ffffffffb844fb6d>] generic_shutdown_super+0x6d/0x100
[23039.517831] [<ffffffffb844ff72>] kill_anon_super+0x12/0x20
[23039.518833] [<ffffffffc0ec1c82>] lustre_kill_super+0x32/0x50 [obdclass]
[23039.519930] [<ffffffffb845034e>] deactivate_locked_super+0x4e/0x70
[23039.521028] [<ffffffffb8450ad6>] deactivate_super+0x46/0x60
[23039.521971] [<ffffffffb847001f>] cleanup_mnt+0x3f/0x80
[23039.522908] [<ffffffffb84700b2>] __cleanup_mnt+0x12/0x20
[23039.523811] [<ffffffffb82c31cb>] task_work_run+0xbb/0xe0
[23039.524782] [<ffffffffb822cc65>] do_notify_resume+0xa5/0xc0
[23039.525718] [<ffffffffb899322f>] int_signal+0x12/0x17
[23142.707196] Lustre: lustre-OST0007 is waiting for obd_unlinked_exports more than 256 seconds. The obd refcount = 4. Is it stuck?
[23142.709163] Lustre: lustre-OST0007: UNLINKED ffff94ec58c41800 lustre-MDT0003-mdtlov_UUID 10.9.6.41@tcp 1 (0 0 0) 1 0 1 0: (null) 0 stale:0

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
conf-sanity test_76c - Timeout occurred after 431 mins, last suite running was conf-sanity

Whamcloud Community JIRA

[LU-13913] conf-sanity test_76c timeout on OST umount