The previous change
commit d84bb6d6a3bd2fdd530184cc9743249ebddbee71
Author: Jiri Denemark <jdenemar(a)redhat.com>
Date: Wed May 12 11:50:52 2010 +0200
Fix monitor ref counting when adding event handle
actually introduced a couple of bugs in freeing the QEMU monitor
object, resulting in priv->mon never being set to NULL and a
reference leak on virDomainObjPtr. This interacted with anothe
bug in the QEMU driver to cause a hang of the libvirtd daemon