In the libvirt logs, I see 21:20:43.846: 1205: debug : remoteSerializeError:132 : prog=536903814 ver=1 proc=16 type=1 serial=1004, msg=internal error Unable to get cgroup for instance-0000003d
followed a bit later by 21:20:43.856: 8627: debug : virCgroupMakeGroup:511 : Make group /libvirt/lxc/instance-0000003d 21:20:43.856: 8627: debug : virCgroupMakeGroup:526 : Make controller /sys/fs/cgroup/cpu/libvirt/lxc/instance-0000003d/ ... 21:20:43.878: 8627: debug : virCgroupSetValueStr:304 : Set value '/sys/fs/cgroup/cpuacct/libvirt/lxc/instance-0000003d/tasks' to '8627' etc. The nova unhandled exception happened at 21:20:43,868 which seems too early. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/842845 Title: problems starting multiple lxc instances concurrently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/842845/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs