[libvirt] [PATCH 0/3] qemu: fix broken block job handling

Peter Krempa pkrempa at redhat.com
Mon Mar 16 11:00:51 UTC 2015


On Fri, Mar 13, 2015 at 11:24:25 -0600, Eric Blake wrote:
> On 03/13/2015 10:25 AM, Peter Krempa wrote:
> > Block job handling violates our usage of domain jobs and changes disk source
> > definition behind our back.
> > 
> > Peter Krempa (3):
> >   qemu: process: Export qemuProcessFindDomainDiskByAlias
> >   qemu: event: Don't fiddle with disk backing trees without a job
> >   qemu: Disallow concurrent block jobs on a single disk
> 
> On description alone, this should help solve the crash that Shanzhi
> observed:
> https://www.redhat.com/archives/libvir-list/2015-March/msg00656.html
> 

I've pushed this series. While my suggestion to check also the length of
the backing chain reported by qemu would fix that crash as a symptom,
this fixes the reason why it happened.

Peter
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