Public bug reported: Nova VM suddenly stopped itself. The symptom looks like Bug 1612089, except that there was no operation at all that triggered the failure.
qemu-system-x86: Installed: 1:2.5+dfsg-5ubuntu10.14 2017-10-02T08:45:50.126526Z qemu-system-x86_64: Virtqueue size exceeded Oct 2 08:45:50 compute2104 libvirtd[3852619]: internal error: End of file from monitor Oct 2 08:45:50 compute2104 virtlogd[16355]: Cannot open log file: '/var/log/libvirt/qemu/instance-0000b179.log': Device or resource busy Oct 2 08:45:50 compute2104 libvirtd[3852619]: Cannot open log file: '/var/log/libvirt/qemu/instance-0000b179.log': Device or resource busy Oct 2 08:45:50 compute2104 virtlogd[16355]: End of file while reading data: Input/output error Oct 2 08:45:51 compute2104 ntpd[68848]: Deleting interface #69 tap0b046500-75, fe80::fc16:3eff:fe70:e693%93#123, interface stats: received=0, sent=0, dropped=0, active_time=3036645 secs Oct 2 08:46:02 compute2104 ntpd[68848]: Soliciting pool server 150.95.148.140 Oct 2 08:46:06 compute2104 nova-compute[2363693]: 2017-10-02 08:46:06.206 2363693 WARNING nova.compute.manager [req-ca962397-1a61-4a99-96ff-09f39497d480 - - - - -] [instance: c6e4d3dd-695b-42fa-bb9b-adde93e921bb] Instance shutdown by itself. Calling the stop API. Current vm_state: active, current task_state: None, original DB power_state: 1, current VM power_state: 4 mysql> select created_at,action,instance_uuid,user_id from nova.instance_actions where instance_uuid='c6e4d3dd-695b-42fa-bb9b-adde93e921bb'; +---------------------+--------+--------------------------------------+----------------------------------+ | created_at | action | instance_uuid | user_id | +---------------------+--------+--------------------------------------+----------------------------------+ | 2017-08-28 05:14:45 | create | c6e4d3dd-695b-42fa-bb9b-adde93e921bb | fe7cd39bbc5d44929fbd6add769c37b9 | | 2017-10-02 08:46:06 | stop | c6e4d3dd-695b-42fa-bb9b-adde93e921bb | NULL | | 2017-10-02 09:15:29 | start | c6e4d3dd-695b-42fa-bb9b-adde93e921bb | fe7cd39bbc5d44929fbd6add769c37b9 | +---------------------+--------+--------------------------------------+----------------------------------+ ** Affects: qemu (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1721167 Title: Guest stopped after "Virtqueue size exceeded error" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1721167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs