This has happened again. Process listing:
$ ps auxwwwf | grep [n]ova-compute nova 25735 0.0 0.0 48040 4 ? Ss Apr16 0:00 su -s /bin/sh -c exec nova-compute --flagfile=/etc/nova/nova.conf --flagfile=/etc/nova/nova-compute.conf nova nova 25746 1.2 0.1 1725088 32604 ? Sl Apr16 53:22 \_ /usr/bin/python /usr/bin/nova-compute --flagfile=/etc/nova/nova.conf --flagfile=/etc/nova/nova-compute.conf Strace'ing the parent process: $ sudo strace -p 25735 Process 25735 attached - interrupt to quit wait4(-1, ^C Strace'ing the child process $ sudo strace -p 25746 Process 25746 attached - interrupt to quit restart_syscall(<... resuming interrupted call ...> ^C Checking libvirtd: $ time sudo virsh list | wc -l 33 real 0m0.170s user 0m0.020s sys 0m0.012s Last few lines from /var/log/nova/nova-compute.log: 2012-04-19 07:04:28 DEBUG nova.manager [-] Running periodic task ComputeManager._poll_bandwidth_usage from (pid=25746) periodic_tasks /usr/lib/python2.7/dist-packages/nova/manager.py:152 2012-04-19 07:04:28 INFO nova.compute.manager [-] Updating bandwidth usage cache 2012-04-19 07:04:28 DEBUG nova.manager [-] Running periodic task ComputeManager.update_available_resource from (pid=25746) periodic_tasks /usr/lib/python2.7/dist-packages/nova/manager.py:152 --- restart happens now --- 2012-04-19 13:54:25 DEBUG nova.service [-] Full set of FLAGS: from (pid=1012) wait /usr/lib/python2.7/dist-packages/nova/service.py:402 2012-04-19 13:54:25 DEBUG nova.service [-] default_floating_pool : nova from (pid=1012) wait /usr/lib/python2.7/dist-packages/nova/service.py:411 Conclusion: libvirtd is responding, but nova-compute is not. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/985489 Title: nova-compute stops processing compute.$HOSTNAME occasionally To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nova/+bug/985489/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
