Ceph » CephFS

[19815.113143] INFO: task fsstress:21905 blocked for more than 120 seconds.
[19815.119912]       Tainted: GF         I  3.14.0-ceph-00079-g61577db #1
[19815.126511] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[19815.134424] fsstress        D 0000000000000000     0 21905      1 0x00000004
[19815.141606]  ffff8801bee25b38 0000000000000046 0000000000000282 0000000000000003
[19815.149182]  ffff880196808000 0000000000013100 ffff8801bee25fd8 0000000000013100
[19815.156710]  ffffffff81c114a0 ffff880196808000 ffff8801bee25b48 ffff880116125e48
[19815.164233] Call Trace:
[19815.166739]  [<ffffffff816ed1f9>] schedule+0x29/0x70
[19815.171773]  [<ffffffff812bc335>] __fuse_request_send+0xd5/0x290
[19815.177850]  [<ffffffff81098790>] ? __wake_up_sync+0x20/0x20
[19815.183580]  [<ffffffff812bc502>] fuse_request_send+0x12/0x20
[19815.189398]  [<ffffffff812c538c>] fuse_flush+0xec/0x120
[19815.194692]  [<ffffffff811a572a>] filp_close+0x3a/0x90
[19815.199899]  [<ffffffff811c42fa>] put_files_struct+0x8a/0xe0
[19815.205629]  [<ffffffff811c43fb>] exit_files+0x4b/0x60
[19815.210840]  [<ffffffff8105489e>] do_exit+0x29e/0xa70
[19815.215962]  [<ffffffff81139df7>] ? __lock_page_killable+0x67/0x70
[19815.222212]  [<ffffffff81055104>] do_group_exit+0x44/0xb0
[19815.227679]  [<ffffffff81065106>] get_signal_to_deliver+0x286/0x5f0
[19815.234017]  [<ffffffff81002388>] do_signal+0x58/0x9b0
[19815.239223]  [<ffffffff812c318b>] ? fuse_file_aio_read+0x7b/0xa0
[19815.245298]  [<ffffffff81002d60>] do_notify_resume+0x80/0xc0
[19815.251026]  [<ffffffff816f92e2>] int_signal+0x12/0x17

ubuntu@teuthology:/var/lib/teuthworker/archive/ubuntu-2014-04-05_08:25:55-fs-wip-shrink-icache-testing-basic-plana/172346

leaving machine hung for (plana14) to investigate.