Re: [Qemu-stable] Qemu 1.4.1 migration less stable?

[Stefan Priebe]

Am 09.05.2013 02:22, schrieb mdroth:
> On Fri, Apr 26, 2013 at 11:48:04AM +0200, Stefan Priebe - Profihost AG wrote:
> > Hello list,
> >
> > with Qemu 1.4.0 migration was really rock solid for me. I never had
> > problems and it was always working fine.
> >
> > Now since i upgraded to qemu 1.4.1 migration pretty often hangs doing
> > nothing.
>
> Are you doing block migration by any chance? There were some patches at
> some point to fix some issues with migration hanging but I'd need to
> dig around to locate them.

No block device migration involved. I'm only using rbd.

> And can you provide your setup/command-line so I can attempt to
> reproduce it? If there's a regression I'd like to get it fixed for
> the upcoming 1.4.2 release (and 1.5 if it's an issue there).

I'm not able to reproduce ;-( it happens one out of 150migrations. Right 
now i wasn't able to see this again since i enabled xbzrle.

Greets,
Stefan