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This issue was created by maloo for Lai Siyao <lai.siyao@whamcloud.com>
This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/c233eac4-91fc-11e8-b0aa-52540065bddc
client log https://testing.whamcloud.com/test_logs/c3376c8e-91fc-11e8-b0aa-52540065bddc/show_text shows touch hung:
[ 7301.646535] touch D ffff94f176958fd0 0 19086 18879 0x00000080
[ 7301.647356] Call Trace:
[ 7301.647618] [<ffffffff91f13fe9>] schedule+0x29/0x70
[ 7301.648128] [<ffffffff91f11959>] schedule_timeout+0x239/0x2c0
[ 7301.648800] [<ffffffff91f1439d>] wait_for_completion+0xfd/0x140
[ 7301.649402] [<ffffffff918cf670>] ? wake_up_state+0x20/0x20
[ 7301.650043] [<ffffffffc0b59458>] osc_io_setattr_end+0xe8/0x200 [osc]
[ 7301.650832] [<ffffffffc0baafa0>] ? lov_io_iter_fini_wrapper+0x50/0x50 [lov]
[ 7301.651559] [<ffffffffc07ba520>] cl_io_end+0x60/0x150 [obdclass]
[ 7301.652278] [<ffffffffc0bab07b>] lov_io_end_wrapper+0xdb/0xe0 [lov]
[ 7301.652938] [<ffffffffc0bab507>] lov_io_call.isra.5+0x87/0x140 [lov]
[ 7301.653599] [<ffffffffc0bab5f6>] lov_io_end+0x36/0xb0 [lov]
[ 7301.654246] [<ffffffffc07ba520>] cl_io_end+0x60/0x150 [obdclass]
[ 7301.654900] [<ffffffffc07bcbcf>] cl_io_loop+0x13f/0xc70 [obdclass]
[ 7301.655557] [<ffffffffc0c50070>] cl_setattr_ost+0x250/0x3c0 [lustre]
[ 7301.656275] [<ffffffffc0c299e5>] ll_setattr_raw+0x1185/0x1290 [lustre]
[ 7301.656974] [<ffffffffc0c29b5c>] ll_setattr+0x6c/0xd0 [lustre]
[ 7301.657587] [<ffffffff91a39f14>] notify_change+0x2c4/0x420
[ 7301.658197] [<ffffffff91a4fab9>] utimes_common+0xd9/0x1c0
[ 7301.658815] [<ffffffff91a4fcde>] do_utimes+0x13e/0x180
[ 7301.659345] [<ffffffff91a4fe24>] SyS_utimensat+0x64/0xb0
[ 7301.659943] [<ffffffff91f206e1>] ? system_call_after_swapgs+0xae/0x146
[ 7301.660612] [<ffffffff91f206d5>] ? system_call_after_swapgs+0xa2/0x146
[ 7301.661329] [<ffffffff91f206e1>] ? system_call_after_swapgs+0xae/0x146
[ 7301.662028] [<ffffffff91f206d5>] ? system_call_after_swapgs+0xa2/0x146
[ 7301.662718] [<ffffffff91f206e1>] ? system_call_after_swapgs+0xae/0x146
[ 7301.663379] [<ffffffff91f20795>] system_call_fastpath+0x1c/0x21
[ 7301.664046] [<ffffffff91f206e1>] ? system_call_after_swapgs+0xae/0x146
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