{"action":"opened","issue":{"url":"https://api.github.com/repos/cienet/vboxind/issues/4","repository_url":"https://api.github.com/repos/cienet/vboxind","labels_url":"https://api.github.com/repos/cienet/vboxind/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/cienet/vboxind/issues/4/comments","events_url":"https://api.github.com/repos/cienet/vboxind/issues/4/events","html_url":"https://github.com/cienet/vboxind/issues/4","id":217454616,"number":4,"title":"AioMgr0-N:xxxx blocked for more than 120 seconds","user":{"login":"cybertk","id":455809,"avatar_url":"https://avatars3.githubusercontent.com/u/455809?v=3","gravatar_id":"","url":"https://api.github.com/users/cybertk","html_url":"https://github.com/cybertk","followers_url":"https://api.github.com/users/cybertk/followers","following_url":"https://api.github.com/users/cybertk/following{/other_user}","gists_url":"https://api.github.com/users/cybertk/gists{/gist_id}","starred_url":"https://api.github.com/users/cybertk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cybertk/subscriptions","organizations_url":"https://api.github.com/users/cybertk/orgs","repos_url":"https://api.github.com/users/cybertk/repos","events_url":"https://api.github.com/users/cybertk/events{/privacy}","received_events_url":"https://api.github.com/users/cybertk/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-03-28T05:48:53Z","updated_at":"2017-03-28T05:48:53Z","closed_at":null,"body":"When the virtual disk(.vdi/.vmdk) is in normal type, VM cannot start. And kennel complains with **AioMgr0-N:xxxx blocked for more than 120 seconds**\r\n\r\n\r\nFull log is\r\n```\r\n[69837.860030] INFO: task AioMgr0-N:3613 blocked for more than 120 seconds.\r\n[69837.860078]       Tainted: G           OE 3.16.0-30-generic #40~14.04.1-Ubuntu\r\n[69837.860119] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\n[69837.860164] AioMgr0-N       D ffff8801aec33440     0  3613   2761 0x00000004\r\n[69837.860170]  ffff88001cd57b00 0000000000000082 ffff8801a57d5180 ffff88001cd57fd8\r\n[69837.860174]  0000000000013440 0000000000013440 ffff8801a5a93d20 ffff8800124f56e0\r\n[69837.860177]  ffff8800124f56e8 7fffffffffffffff ffff8801a57d5180 ffffffffffffffff\r\n[69837.860180] Call Trace:\r\n[69837.860189]  [<ffffffff81766c59>] schedule+0x29/0x70\r\n[69837.860192]  [<ffffffff81766039>] schedule_timeout+0x229/0x2a0\r\n[69837.860196]  [<ffffffff817667ef>] ? __schedule+0x35f/0x7a0\r\n[69837.860200]  [<ffffffff81767756>] wait_for_completion+0xa6/0x160\r\n[69837.860205]  [<ffffffff810a17c0>] ? wake_up_state+0x20/0x20\r\n[69837.860218]  [<ffffffffc07cc2f0>] au_wkq_do_wait+0x80/0xa0 [aufs]\r\n[69837.860226]  [<ffffffffc07cc1b0>] ? au_opt_udba+0x20/0x20 [aufs]\r\n[69837.860234]  [<ffffffffc07cf620>] ? au_do_sio_cpup_simple+0xc0/0xc0 [aufs]\r\n[69837.860240]  [<ffffffffc07cf5e3>] au_do_sio_cpup_simple+0x83/0xc0 [aufs]\r\n[69837.860247]  [<ffffffffc07cf681>] au_sio_cpup_simple+0x21/0x70 [aufs]\r\n[69837.860255]  [<ffffffffc07d6169>] au_ready_to_write+0x189/0x330 [aufs]\r\n[69837.860263]  [<ffffffffc07d5bb0>] ? au_do_open+0xf0/0xf0 [aufs]\r\n[69837.860270]  [<ffffffffc07d6d70>] ? au_mtx_and_read_lock+0xa0/0xa0 [aufs]\r\n[69837.860277]  [<ffffffffc07d6d70>] ? au_mtx_and_read_lock+0xa0/0xa0 [aufs]\r\n[69837.860283]  [<ffffffffc07d6de0>] aufs_write_iter+0x70/0x1c0 [aufs]\r\n[69837.860289]  [<ffffffffc07d6d70>] ? au_mtx_and_read_lock+0xa0/0xa0 [aufs]\r\n[69837.860294]  [<ffffffff8121c83d>] aio_run_iocb+0x1cd/0x3b0\r\n[69837.860298]  [<ffffffff8121d7ac>] do_io_submit+0x11c/0x4c0\r\n[69837.860302]  [<ffffffff8121db60>] SyS_io_submit+0x10/0x20\r\n[69837.860306]  [<ffffffff8176aced>] system_call_fastpath+0x1a/0x1f\r\n[69957.856993] INFO: task AioMgr0-N:3613 blocked for more than 120 seconds.\r\n[69957.857044]       Tainted: G           OE 3.16.0-30-generic #40~14.04.1-Ubuntu\r\n[69957.857085] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\n[69957.857129] AioMgr0-N       D ffff8801aec33440     0  3613   2761 0x00000004\r\n[69957.857135]  ffff88001cd57b00 0000000000000082 ffff8801a57d5180 ffff88001cd57fd8\r\n[69957.857138]  0000000000013440 0000000000013440 ffff8801a5a93d20 ffff8800124f56e0\r\n[69957.857142]  ffff8800124f56e8 7fffffffffffffff ffff8801a57d5180 ffffffffffffffff\r\n[69957.857145] Call Trace:\r\n[69957.857153]  [<ffffffff81766c59>] schedule+0x29/0x70\r\n[69957.857156]  [<ffffffff81766039>] schedule_timeout+0x229/0x2a0\r\n[69957.857160]  [<ffffffff817667ef>] ? __schedule+0x35f/0x7a0\r\n[69957.857164]  [<ffffffff81767756>] wait_for_completion+0xa6/0x160\r\n[69957.857169]  [<ffffffff810a17c0>] ? wake_up_state+0x20/0x20\r\n[69957.857181]  [<ffffffffc07cc2f0>] au_wkq_do_wait+0x80/0xa0 [aufs]\r\n[69957.857189]  [<ffffffffc07cc1b0>] ? au_opt_udba+0x20/0x20 [aufs]\r\n[69957.857197]  [<ffffffffc07cf620>] ? au_do_sio_cpup_simple+0xc0/0xc0 [aufs]\r\n[69957.857204]  [<ffffffffc07cf5e3>] au_do_sio_cpup_simple+0x83/0xc0 [aufs]\r\n[69957.857210]  [<ffffffffc07cf681>] au_sio_cpup_simple+0x21/0x70 [aufs]\r\n[69957.857219]  [<ffffffffc07d6169>] au_ready_to_write+0x189/0x330 [aufs]\r\n[69957.857226]  [<ffffffffc07d5bb0>] ? au_do_open+0xf0/0xf0 [aufs]\r\n[69957.857233]  [<ffffffffc07d6d70>] ? au_mtx_and_read_lock+0xa0/0xa0 [aufs]\r\n[69957.857240]  [<ffffffffc07d6d70>] ? au_mtx_and_read_lock+0xa0/0xa0 [aufs]\r\n[69957.857246]  [<ffffffffc07d6de0>] aufs_write_iter+0x70/0x1c0 [aufs]\r\n[69957.857253]  [<ffffffffc07d6d70>] ? au_mtx_and_read_lock+0xa0/0xa0 [aufs]\r\n[69957.857258]  [<ffffffff8121c83d>] aio_run_iocb+0x1cd/0x3b0\r\n[69957.857261]  [<ffffffff8121d7ac>] do_io_submit+0x11c/0x4c0\r\n[69957.857265]  [<ffffffff8121db60>] SyS_io_submit+0x10/0x20\r\n[69957.857270]  [<ffffffff8176aced>] system_call_fastpath+0x1a/0x1f\r\n```"}}
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