Re: [PATCH] qemu: Set migration FD blocking

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On 03/26/2013 12:20 PM, Michal Privoznik wrote:
> On 26.03.2013 17:08, Eric Blake wrote:
>> On 03/26/2013 08:55 AM, Michal Privoznik wrote:
>>> Since we switched from direct host migration scheme to the one,
>>> where we connect to the destination and then just pass a FD to a
>>> qemu, we have uncovered a qemu bug. Qemu expects migration FD to
>>> block. However, we are passing a nonblocking one which results in
>>> cryptic error messages like:
>>>
>>>   qemu: warning: error while loading state section id 2
>>>   load of migration failed
>>>
>>> The bug is already known to Qemu folks, but we should workaround
>>> already released Qemus. Patch has been originally proposed by Stefan
>>> Hajnoczi <stefanha@xxxxxxxxx>
>>> ---
>>>  src/qemu/qemu_migration.c | 7 +++++++
>>>  1 file changed, 7 insertions(+)
>>
>> Thanks for figuring it all out!  I definitely hit this one, while trying
>> to help someone on IRC.
>>
>> ACK, and definitely 1.0.4 material.
>>
> 
> Thanks, pushed to master. I wonder if it should be pushed to stable
> branches as well. Doug, Cole - what do you think?
> 

What's the first affected libvirt version?

- Cole

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