Re: [Qemu-stable] Recent patches for 2.4

[Peter Lieven]

Am 31.07.2015 um 11:29 schrieb Paolo Bonzini:
> On 31/07/2015 10:35, Peter Lieven wrote:
> > Am 31.07.2015 um 10:22 schrieb Paolo Bonzini:
> > > > 52c91da memory: do not add a reference to the owner of aliased regions
> > > This could be backported, yes.  Feel free to send it to qemu-stable.
> > > However, the bug was only visible with virtio 1.
> > Applies cleanly to 2.3.1-staging.
> Good.
>
> > > > edec47c main-loop: fix qemu_notify_event for aio_notify optimization
> > > Part of the above AioContext series.
> > So either the whole series or none of them I guess?
> It's a separate bug, and theoretically it's there in 2.3.1 as well, but
> no one ever reproduced it (it would hang in make check) so not worthwhile.

Can you give me a pointer what the symtoms where?
I have a qemu-img convert job on x86_64 that reproducibly hangs on 
bdrv_drain_all
at the end of the convert process.
I convert from nfs:// to local storage here. I try to figure out which BS
reports busy. Qemu here is still 2.2.1.

Peter