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The code for putting the emulator threads in a separate cgroup would spam the logs with warnings 2013-02-27 16:08:26.731+0000: 29624: warning : virCgroupMoveTask:887 : no vm cgroup in controller 3 2013-02-27 16:08:26.731+0000: 29624: warning : virCgroupMoveTask:887 : no vm cgroup in controller 4 2013-02-27 16:08:26.732+0000: 29624: warning : virCgroupMoveTask:887 : no vm cgroup in controller 6 This is because it has only created child cgroups for 3 of the controllers, but was trying to move the processes from all the controllers. The fix is to only try to move threads in the controllers we actually created. Also remove the warning and make it return a hard error to avoid such lazy callers in the future. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> (cherry picked from commit 279336c5d8c44f28956b3427ab2bf207d06878e2)
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>