The symptoms are similar to what we experienced in LP#903212, however I can confirm that libvirtd seems to be responding correctly in Precise.
Is there further information that we can provide? $ dpkg-query --show nova-* nova-api 2012.1~e4~20120210.12574-0ubuntu1 nova-common 2012.1-0ubuntu2 nova-compute 2012.1-0ubuntu2 nova-compute-hypervisor nova-compute-kvm 2012.1-0ubuntu2 $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu precise (development branch)" -- 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