{"action":"opened","issue":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/5211","repository_url":"https://api.github.com/repos/zfsonlinux/zfs","labels_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/5211/labels{/name}","comments_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/5211/comments","events_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/5211/events","html_url":"https://github.com/zfsonlinux/zfs/issues/5211","id":180460655,"number":5211,"title":"soft lockup with stable 0.6.3-1.3","user":{"login":"samuelxhu","id":11583745,"avatar_url":"https://avatars.githubusercontent.com/u/11583745?v=3","gravatar_id":"","url":"https://api.github.com/users/samuelxhu","html_url":"https://github.com/samuelxhu","followers_url":"https://api.github.com/users/samuelxhu/followers","following_url":"https://api.github.com/users/samuelxhu/following{/other_user}","gists_url":"https://api.github.com/users/samuelxhu/gists{/gist_id}","starred_url":"https://api.github.com/users/samuelxhu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/samuelxhu/subscriptions","organizations_url":"https://api.github.com/users/samuelxhu/orgs","repos_url":"https://api.github.com/users/samuelxhu/repos","events_url":"https://api.github.com/users/samuelxhu/events{/privacy}","received_events_url":"https://api.github.com/users/samuelxhu/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-01T14:55:24Z","updated_at":"2016-10-01T14:55:24Z","closed_at":null,"body":"A production ZFS server running stable 0.6.3-1.3, encountering the following soft lockup\r\n\r\nSep 23 09:40:29 panda1 kernel: INFO: task txg_sync:19410 blocked for more than 120 seconds.\r\nSep 23 09:40:29 panda1 kernel:      Tainted: P           ---------------    2.6.32-504.3.3.el6.x86_64 #1\r\nSep 23 09:40:29 panda1 kernel: \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\r\nSep 23 09:40:29 panda1 kernel: txg_sync      D 0000000000000000     0 19410      2 0x00000080\r\nSep 23 09:40:29 panda1 kernel: ffff880a113a5b70 0000000000000046 0000000000000000 ffff88105dbef218\r\nSep 23 09:40:29 panda1 kernel: 0000000000000001 ffff88105dbef230 0000000000000000 0000000000000000\r\nSep 23 09:40:29 panda1 kernel: ffff880a113a5af0 ffffffff81064ba2 ffff881047d4d098 ffff880a113a5fd8\r\nSep 23 09:40:29 panda1 kernel: Call Trace:\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff81064ba2>] ? default_wake_function+0x12/0x20\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff810aaa21>] ? ktime_get_ts+0xb1/0xf0\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8152a173>] io_schedule+0x73/0xc0\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0321231>] cv_wait_common+0xc1/0x1d0 [spl]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0491e00>] ? zio_execute+0x0/0x140 [zfs]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8109eb00>] ? autoremove_wake_function+0x0/0x40\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0321358>] __cv_wait_io+0x18/0x20 [spl]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa049203b>] zio_wait+0xfb/0x1c0 [zfs]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0420693>] dsl_pool_sync+0xb3/0x440 [zfs]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0434e4f>] spa_sync+0x40f/0xaf0 [zfs]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0449f1b>] txg_sync_thread+0x3ab/0x5f0 [zfs]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8105c2f9>] ? set_user_nice+0xc9/0x130\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0449b70>] ? txg_sync_thread+0x0/0x5f0 [zfs]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0318e68>] thread_generic_wrapper+0x68/0x80 [spl]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffffa0318e00>] ? thread_generic_wrapper+0x0/0x80 [spl]\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8109e66e>] kthread+0x9e/0xc0\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8100c20a>] child_rip+0xa/0x20\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8109e5d0>] ? kthread+0x0/0xc0\r\nSep 23 09:40:29 panda1 kernel: [<ffffffff8100c200>] ? child_rip+0x0/0x20\r\n\r\nIs there already a patch to fix it? if possible, I would like to stay with 0.6.3-1.3 for the moment\r\n"}}
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