On 04/09/2013 03:08 AM, Daniel P. Berrange wrote: > >> I'm trying to understand what the behavior was before this patch went in. > > Well this was just fixing a deadlock introduced in a previous patch. > You need to look further back than just this patch. Originally the > global QEMU driver lock would be held preventing any kind of concurrent > execution. In fact, my testing said that this patch, in isolation, merely set up a latent bug, but did not cause a crash, precisely because back at that time in history, we were still being protected by the big qemu driver lock. I'm still bisecting, though, to determine _which_ patch finally allowed this latent issue to finally crash libvirtd. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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