[Bug 842845] Re: problems starting multiple lxc instances concurrently

[Serge Hallyn]

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.

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Title:
  problems starting multiple lxc instances concurrently

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