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During the perform phase of migration, the domain is started on the dst host in a running state if VIR_MIGRATE_PAUSED flag is not specified. In the finish phase, the domain is also unpaused if VIR_MIGRATE_PAUSED flag is unset. I've noticed this second unpause fails if the domain was already unpaused following the perform phase. This patch changes the perform phase to always start the domain paused, and defers unpausing, if requested, to the finish phase. Unpausing should occur in the finish phase anyhow, where the domain can be properly destroyed if the perform phase fails and migration is cancelled. Signed-off-by: Jim Fehlig <jfehlig@suse.com>
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>