Red Hat Bugzilla – Bug 1263438
backport libvirt sanity checks
Last modified: 2015-10-09 06:28:28 EDT
We just hit the error described in BZ1199036 on FC21.
There are a lot of patches targeting block commit functionality for older libvirt releases. Nevertheless the 3 fixes described in the above BZ entry would allow for some fundamental sanity check.
It would be nice to see them backported for libvirt in FC21/FC22:
1) qemu: Disallow concurrent block jobs on a single disk
2) qemu: event: Don't fiddle with disk backing trees without a job
3) qemu: block-commit: Mark disk in block jobs only on successful command
The patches don't apply cleanly to F21, and since they don't sound essential I'm not going to rock the boat there, figuring that F21 will be end of life before the end of the year. So I'll just backport them to f22
Just saw that your FC22 build failed. I did not expect this helpful backport to be so tricky. Sorry for not checking the situation correctly in advance.
Nevertheless: Thanks a lot for your help in this matter.
f22 build failed for some unrelated reason AFAICT, I'm looking into it
libvirt-184.108.40.206-3.fc22 has been pushed to the Fedora 22 testing repository. If problems still persist, please make note of it in this bug report.
If you want to test the update, you can install it with
$ su -c 'dnf --enablerepo=updates-testing update libvirt'
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-16421
libvirt-220.127.116.11-3.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.