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b79f25e881
This is very helpful when we want to log and report why we could not
acquire a state change lock. Reporting what job keeps it locked helps
with understanding the issue. Moreover, after calling
virDomainGetControlInfo, it's possible to tell whether libvirt is just
stuck somewhere within the API (or it just forgot to cleanup the job) or
whether libvirt is waiting for QEMU to reply.
The error message will look like the following:
# virsh resume cd
error: Failed to resume domain cd
error: Timed out during operation: cannot acquire state change lock
(held by remoteDispatchDomainSuspend)
https://bugzilla.redhat.com/show_bug.cgi?id=853839
Signed-off-by: Jiri Denemark <jdenemar@redhat.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>