Re: [Xen-devel] [osstest test] 60719: tolerable FAIL - PUSHED

[Jim Fehlig <jfehlig@xxxxxxxx>]

On 09/10/2015 10:40 AM, Ian Campbell wrote:
> On Thu, 2015-09-03 at 10:35 -0600, Jim Fehlig wrote:
>
> > I wonder if this has anything to do with migration V2? I noticed a migration
> > regression a few days back, but later realized that the sender was 4.5 and
> > receiver was 4.6. I planned to see if migration worked through libvirt between
> > two 4.6 hosts, but before doing so I had to re-purpose the machines for another
> > task. I think libvirt needs some work to accommodate migration V2...
> So after shaving a bunch of yakks wrt getting my test boxes setup I've
> finally tracked this one down...
Thanks for investigating this issue! It bubbled to the top of my queue, so I'm 
glad I read this mail before duplicating the effort.
> libvirt is passing libxl a restore (and perhaps save) file descriptor which
> is set O_NONBLOCK, which libxl/c doesn't expect and therefore doesn't
> handle the resulting EAGAIN.
>
> Ian and I think it would be more convenient for most callers if libxl took
> care of this by making the fd blocking again and returning it to the
> original state when it was done.
>
> I'll cook up a patch.
I also noticed your patch has been ACK'ed and applied.  Thanks again!

Regards,
Jim


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