Got it. This is the log output that results in the dead kvm process. 2016-08-12 22:29:44.499285 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db400b020 C_NotifyAck start: id=234071422725522, handle=140096867143248 2016-08-12 22:29:44.518673 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db4003b60 image header updated 2016-08-12 22:29:44.518680 7f6dcffff700 20 librbd::ImageState: refresh_seq = 5, last_refresh = 4 2016-08-12 22:29:44.518689 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db400b020 C_NotifyAck finish: id=234071422725522, handle=140096867143248 2016-08-12 22:29:44.573373 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db400b020 C_NotifyAck start: id=234071422725523, handle=140096867143248 2016-08-12 22:29:44.573386 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db4003b60 image header updated 2016-08-12 22:29:44.573389 7f6dcffff700 20 librbd::ImageState: refresh_seq = 6, last_refresh = 4 2016-08-12 22:29:44.573393 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db400b020 C_NotifyAck finish: id=234071422725523, handle=140096867143248 2016-08-12 22:29:45.249895 7f6dcffff700 -1 librbd::ImageWatcher: 0x7f6db4003b60 image watch failed: 140096867143248, (107) Transport endpoint is not connected 2016-08-12 22:29:45.262607 7f6dcffff700 10 librbd::ImageWatcher: 0x7f6db4003b60 current lock owner: [0,0] 2016-08-12 22:29:45.319110 7f6dcd6f9700 10 librbd::ImageWatcher: 0x7f6db4003b60 re-registering image watch 2016-08-12 22:29:45.319145 7f6dcd6f9700 10 librbd::ExclusiveLock: 0x7f6db40029f0 release_lock 2016-08-12 22:29:45.319150 7f6dcd6f9700 10 librbd::ExclusiveLock: 0x7f6db40029f0 send_release_lock 2016-08-12 22:29:45.319251 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: send_cancel_op_requests 2016-08-12 22:29:45.319263 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: handle_cancel_op_requests: r=0 2016-08-12 22:29:45.319267 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: send_block_writes 2016-08-12 22:29:45.319271 7f6dcf7fe700 5 librbd::AioImageRequestWQ: block_writes: 0x55ee44904f50, num=1 2016-08-12 22:29:45.319285 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: handle_block_writes: r=0 2016-08-12 22:29:45.319352 7f6dcf7fe700 10 librbd::ExclusiveLock: 0x7f6db40029f0 handle_releasing_lock 2016-08-12 22:29:45.319361 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: send_flush_notifies 2016-08-12 22:29:45.319366 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: handle_flush_notifies 2016-08-12 22:29:45.319368 7f6dcf7fe700 10 librbd::exclusive_lock::ReleaseRequest: send_close_object_map 2016-08-12 22:29:45.319378 7f6dcf7fe700 10 librbd::object_map::UnlockRequest: 0x7f6dc407b8c0 send_unlock: oid=rbd_object_map.40c5612ae8944a 2016-08-12 22:29:45.320613 7f6dcffff700 10 librbd::object_map::UnlockRequest: 0x7f6dc407b8c0 handle_unlock: r=-108 2016-08-12 22:29:45.320626 7f6dcffff700 -1 librbd::object_map::UnlockRequest: failed to release object map lock: (108) Cannot send after transport endpoint shutdown 2016-08-12 22:29:45.320639 7f6dcffff700 10 librbd::exclusive_lock::ReleaseRequest: handle_close_object_map: r=0 2016-08-12 22:29:45.320647 7f6dcffff700 10 librbd::exclusive_lock::ReleaseRequest: send_unlock 2016-08-12 22:29:45.321490 7f6dcffff700 10 librbd::exclusive_lock::ReleaseRequest: handle_unlock: r=-108 2016-08-12 22:29:45.321498 7f6dcffff700 -1 librbd::exclusive_lock::ReleaseRequest: failed to unlock: (108) Cannot send after transport endpoint shutdown 2016-08-12 22:29:45.321551 7f6dcf7fe700 10 librbd::ExclusiveLock: 0x7f6db40029f0 handle_release_lock: r=0 2016-08-12 22:29:45.321565 7f6dcf7fe700 10 librbd::ImageWatcher: 0x7f6db4003b60 notify released lock 2016-08-12 22:29:45.321568 7f6dcf7fe700 10 librbd::ImageWatcher: 0x7f6db4003b60 current lock owner: [0,0] 2016-08-12 22:29:45.324256 7f6dcf7fe700 20 librbd::image_watcher::Notifier: notify: pending=1 2016-08-12 22:29:45.896206 7f6dcffff700 20 librbd::image_watcher::Notifier: handle_notify: pending=0 2016-08-12 22:29:45.896273 7f6dcd6f9700 -1 librbd::ImageWatcher: 0x7f6db4003b60 failed to re-register image watch: (108) Cannot send after transport endpoint shutdown 2016-08-12 22:29:53.107299 7f6e051adc00 20 librbd::AioImageRequestWQ: aio_write: ictx=0x55ee44904f50, completion=0x55ee45331a70, off=75430789120, len=8192, flags=0 2016-08-12 22:29:53.107326 7f6e051adc00 20 librbd::AioImageRequestWQ: queue: ictx=0x55ee44904f50, req=0x55ee4593c850 2016-08-12 22:29:53.107334 7f6e051adc00 20 librbd::ExclusiveLock: 0x7f6db40029f0 is_lock_owner=0 2016-08-12 22:29:53.107337 7f6e051adc00 10 librbd::ExclusiveLock: 0x7f6db40029f0 request_lock 2016-08-12 22:29:53.107340 7f6e051adc00 10 librbd::ExclusiveLock: 0x7f6db40029f0 send_acquire_lock
HTH -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1607694 Title: Exclusive-Lock Issue To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/1607694/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
