[ovirt-users] [libvirt-users] Bug in Snapshot Removing

[Kashyap Chamarthy]

On Sun, May 31, 2015 at 10:56:40PM +0000, Soeren Malchow wrote:
> Dear all
> 
> I am not sure if the mail just did not get any attention between all
> the mails and this time it is also going to the libvirt mailing list.

Saw your mails, but it was hard to parse them.

> I am experiencing a problem with VM becoming unresponsive when
> removing Snapshots (Live Merge) and i think there is a serious
> problem.

Can you do an independent live merge test just with plain libvirt and
explain how exactly you can trigger it?

For example, I wrote some notes here which I normally use to test live
disk image chain merge:

    http://wiki.libvirt.org/page/Live-merge-an-entire-disk-image-chain-including-current-active-disk

Can you reproduce your bug when testing with a variant of the above?

> Here are the previous mails,
> 
> http://lists.ovirt.org/pipermail/users/2015-May/033083.html
> 
> The problem is on a system with everything on the latest version,
> CentOS 7.1 and ovirt 3.5.2.1 all upgrades applied.
> 
> This Problem did NOT exist before upgrading to CentOS 7.1 with an
> environment running ovirt 3.5.0 and 3.5.1 and Fedora 20 with the
> libvirt-preview repo activated.
> 
> I think this is a bug in libvirt, not ovirt itself, but i am not sure.
> The actual file throwing the exception is in VDSM
> (/usr/share/vdsm/virt/vm.py, line 697).
> 
> We are very willing to help, test and supply log files in anyway we
> can.
> 
> Regards Soeren
> 

-- 
/kashyap