On Wed, Nov 2, 2011 at 9:30 PM, Mandell Degerness <mandell@xxxxxxxxxxxxxxx> wrote: > Should this error showing up in the log worry me? Looks like the process got stuck while waiting for xfs to do a sync. So...yes, that's a problem. The Ceph monitor really doesn't do anything special that I'd expect to be exposing filesystem bugs though. Do you have other Ceph processes running on this node? -Greg > Nov 2 21:28:12 node-172-16-0-128 kernel: INFO: task ceph-mon:5715 > blocked for more than 120 seconds. > Nov 2 21:28:12 node-172-16-0-128 kernel: "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Nov 2 21:28:12 node-172-16-0-128 kernel: ceph-mon D > 0000000006bcdc9f 0 5715 1 0x00000000 > Nov 2 21:28:12 node-172-16-0-128 kernel: ffff88080d5dfc38 > 0000000000000086 ffff8807eadec0c0 ffff8804274d60c0 > Nov 2 21:28:12 node-172-16-0-128 kernel: ffff88080d5dfc48 > 0000000000011980 0000000000011980 0000000000011980 > Nov 2 21:28:12 node-172-16-0-128 kernel: ffff88080d5dffd8 > 0000000000011980 0000000000011980 ffff88080d5dffd8 > Nov 2 21:28:12 node-172-16-0-128 kernel: Call Trace: > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630b5e>] > schedule+0x6d/0x83 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630ee2>] > schedule_timeout+0x36/0xe3 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630360>] > wait_for_common+0xa0/0x105 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81048595>] ? > try_to_wake_up+0x1ed/0x1ed > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff812462a8>] ? > xfs_bwrite+0x4b/0x95 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ef45>] ? > __sync_filesystem+0xa1/0xa1 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630553>] > wait_for_completion+0x30/0x46 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff812457c6>] > xfs_buf_iowait+0x61/0xb9 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff812462a8>] > xfs_bwrite+0x4b/0x95 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81254c70>] > xfs_sync_fsdata+0x4b/0x66 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81255138>] > xfs_quiesce_data+0x39/0xa3 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81252b49>] > xfs_fs_sync_fs+0x34/0x71 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ef1b>] > __sync_filesystem+0x77/0xa1 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ef6e>] > sync_one_sb+0x29/0x3f > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8114620e>] > iterate_supers+0x7c/0xe3 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ee2f>] > sync_filesystems+0x2f/0x45 > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116f02e>] > sys_sync+0x34/0x5a > Nov 2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8163326b>] > system_call_fastpath+0x16/0x1b > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
