[libvirt] [PATCHv3] qemu: fix crash when mixing sync and async monitor jobs

Eric Blake eblake at redhat.com
Fri Jul 29 21:37:43 UTC 2011

On 07/29/2011 03:32 PM, Eric Blake wrote:
> Currently, we attempt to run sync job and async job at the same time. It
> means that the monitor commands for two jobs can be run in any order.

> v3: incorporate Wen's feedback - in particular, virProcessStartCPUs
> now checks for return type, restarting libvirt does not use an
> async job, and I didn't hit the deadlock in the same scenarios as
> I tested under v2.
> I still need to do migration testing before I'm convinced that this
> is right, but it's doing a lot better.

Nope, just got a deadlock, by sending SIGINT (^C) during the middle of 
virsh managedsave.  I'll have to keep looking for that culprit...

Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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