Re: [Qemu-devel] external snapshots freezes block device since qemu 2.8

[Dr. David Alan Gilbert]

* Piotr Rybicki (address@hidden) wrote:
> Hello there.
> 
> I discovered, that since qemu 2.8 , external snapshots (very similar to:
> http://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit),
> freezes block device after:
> 
> # virsh blockcommit (...)
> 
> There is no error message after completion of the command above.
> I'm using gluster + ZFS fuse mount as a storage for a VM on gentoo.
> libvirt debug showed nothing helpful.
> With qemu <2.8 -: snapshots are working as expected.
> 
> Is this a known issue?
> Is it qemu or libvirt ?
> 
> If it helps, how can i diagnose this further?

I don't know of it, cc'd in jsnow.
Have you tried bisecting?

Dave

> Thank You & Best regards
> Piotr Rybicki
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK