On 05/22/2014 02:49 PM, Marcin Gibuła wrote: > Hi, > > I've encountered deadlock in qemu during some stress testing. The test > is making snapshots, committing them and constantly quering for block > job info.
What is the exact command you used for triggering the block-commit? Was it via direct HMP or QMP, or indirect via libvirt? Were you trying to commit the active layer? If so, libvirt doesn't yet support that (I'm going to guarantee that libvirt 1.2.4 either supports it or rejects it up front, depending on how hard the libvirt implementation turns out to be), even though it was added in qemu 2.0 (it turns out that committing the active layer is subtly different than committing intermediate layers, and libvirt 1.2.3 wasn't prepared for the subtle difference and thus gets stuck if you try it). -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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