[Libguestfs] [PATCH 0/7 v2] Fix and workaround for qcow2 issues in qemu causing data corruption.

Richard W.M. Jones rjones at redhat.com
Wed Jul 4 14:41:18 UTC 2012


On Wed, Jul 04, 2012 at 02:38:50PM +0100, Pádraig Brady wrote:
> On 07/03/2012 07:03 PM, Richard W.M. Jones wrote:
> > (2) qemu's qcow2 disk cache code is buggy.  If there are I/Os in
> > flight when qemu shuts down, then qemu segfaults or assert fails.
> > This can result in unwritten data.

It looks as if qemu-kvm 1.1.0 released a couple of days ago fixes the
crash.  I looked through the commits but cannot see anything obvious.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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