On 01/07/2015 07:19 AM, Thomas Stein wrote: > Hello. > > I'm seeing this error while doing a backup of a VM. > > + virsh blockcommit kaltura vda --active --verbose --pivot > Block Commit: [100 %]error: failed to pivot job for disk vda > error: internal error: unable to execute QEMU command > 'block-job-complete': The active block job for device > 'drive-virtio-disk0' cannot be completed Based on this message, it is qemu that is refusing to do the pivot, but I don't know if that is because of permissions on the destination file, or something else (that is, it may still be a libvirt bug for not putting things in the right state for the qemu command to have a chance of succeeding). What distro are you using? Is AppArmor or SELinux at play, where temporarily getting that out of the way might change things? > > I'm on qemu 2.2.0 and libvirt-1.2.11. > > Does someone else see this error? Libvirt.log says: > > 2015-01-07 11:18:07.000+0000: 19355: warning : > qemuDomainObjBeginJobInternal:1381 : Cannot start job (query, none) for > domain kaltura; current job is (modify, none) owned by (19357, 0) > 2015-01-07 11:18:07.000+0000: 19355: error : > qemuDomainObjBeginJobInternal:1386 : Timed out during operation: cannot > acquire state change lock This may also be the sign of a libvirt bug in not tracking lock states correctly. I've had other reports of bogus behavior, so I'm trying to take another audit of the code this week to see if I can find a problem in the libvirt code. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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