[LU-3665] obdfilter-survey test_3a: unmount stuck in obd_exports_barrier()

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.12.0
• Affects Version/s: Lustre 2.5.0, Lustre 2.6.0
• Severity: 3
• Assignee: Nathaniel Clark
• 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/14e07cdc-ed44-11e2-99b4-52540035b04c.

The sub-test test_3a failed with the following error:

test failed to respond and timed out

OST console:

00:47:41:LustreError: 19583:0:(qsd_reint.c:54:qsd_reint_completion()) Skipped 1 previous similar message
00:48:42:INFO: task umount:19559 blocked for more than 120 seconds.
00:48:42:"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
00:48:42:umount        D 0000000000000001     0 19559  19558 0x00000080
00:48:42: ffff8802d22c7aa8 0000000000000082 ffffffff00000010 ffff8802d22c7a58
�
00:48:42: ffff8802d22c7a18 0000000000000286 ffffffffa07db450 ffff8802fcc06f2a
00:48:42: ffff8803003725f8 ffff8802d22c7fd8 000000000000fb88 ffff8803003725f8
00:48:42:Call Trace:
00:48:42: [<ffffffff8150ee42>] schedule_timeout+0x192/0x2e0
00:48:42: [<ffffffff810810e0>] ? process_timeout+0x0/0x10
00:48:42: [<ffffffffa05f462d>] cfs_schedule_timeout_and_set_state+0x1d/0x20 [libcfs]
00:48:42: [<ffffffffa07175f8>] obd_exports_barrier+0x98/0x170 [obdclass]
00:48:42: [<ffffffffa0e5a962>] ofd_device_fini+0x42/0x230 [ofd]
00:48:42: [<ffffffffa0742f17>] class_cleanup+0x577/0xda0 [obdclass]
00:48:42: [<ffffffffa07197a6>] ? class_name2dev+0x56/0xe0 [obdclass]
00:48:42: [<ffffffffa07447fc>] class_process_config+0x10bc/0x1c80 [obdclass]
00:48:42: [<ffffffffa073e1e3>] ? lustre_cfg_new+0x2d3/0x6e0 [obdclass]
00:48:42: [<ffffffffa0745539>] class_manual_cleanup+0x179/0x6f0 [obdclass]
00:48:42: [<ffffffffa07197a6>] ? class_name2dev+0x56/0xe0 [obdclass]
00:48:42: [<ffffffffa07809ec>] server_put_super+0x5ec/0xf60 [obdclass]
00:48:42: [<ffffffff811833ab>] generic_shutdown_super+0x5b/0xe0
00:48:42: [<ffffffff81183496>] kill_anon_super+0x16/0x60
00:48:42: [<ffffffffa07473e6>] lustre_kill_super+0x36/0x60 [obdclass]
00:48:42: [<ffffffff81183c37>] deactivate_super+0x57/0x80
00:48:42: [<ffffffff811a1c8f>] mntput_no_expire+0xbf/0x110
00:48:42: [<ffffffff811a26fb>] sys_umount+0x7b/0x3a0
00:48:42: [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b

Issue Links

• duplicates: LU-3230 conf-sanity fails to start run: umount of OST fails
• duplicates: LU-4062 sanity test_132: MGS is waiting for obd_unlinked_exports more than 512 seconds
• duplicates: LU-4695 Timeout at end of recovery-small
• is blocked by: LU-3319 Adapt to 3.10 upstream kernel proc_dir_entry change
• is duplicated by: LU-5166 Test failure conf-sanity: hung on umount ost
• is duplicated by: LU-10631 obdfilter-survey.sh:obdflter_survey_run () defect: obdfilter-survey exit code is ignored
• is related to: LU-5242 Test hang sanity test_132, test_133: umount ost