On 05/08/2014 09:42 AM, Federico Iezzi wrote: > I guys, > > First of all congratulations on Firefly Release! > IMHO I think that this release is a huge step for Ceph Project! > > Just for fun, this morning I upgraded one my staging Ceph cluster used > by an OpenStack Havana installation (Canonical cloud archive, Kernel > 3.11, Ubuntu 12.04) > I had one issue during volume attach, the below log from libvirt. > With the same environment and Emperor I don?t have any issue (so there > aren?t any network issue) > > Do you think that it is my fault during upgrade procedure or a bug? > > I tried to use Admin keyring and I got a ?open disk image file failed?. > > Thanks a lot, > Regards, > Federico > <snip> > 2e5991bf-b76b-48b1-b271-cf13406e9825] libvirtError: Timed out during > operation: cannot acquire state change lock This is the sign of a bug in libvirt. Try restarting libvirt-bin. Josh