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When starting a domain, if a domain specifies security drivers we do not have loaded, we fail. However we don't check for this during reconnect, so any operation relying on security driver functionality would fail. If someone e.g. starts a domain with selinux driver loaded, then they change the security driver to 'none' in config, restart the daemon and call dump/save/.., QEMU will return an error. As we shouldn't kill the domain, we should at least log an error to let the user know that domain reconnect wasn't completely clean. https://bugzilla.redhat.com/show_bug.cgi?id=1183893
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>