[libvirt-users] Block Commit: [100 %]error: failed to pivot job for disk vda

[Thomas Stein]

Am 09.01.15 um 15:38 schrieb Thomas Stein:
> Am 07.01.15 um 18:26 schrieb Thomas Stein:
> 
>>> 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 using Gentoo. There is no selinux or apparmor enabled on this machine. 
>> Should i file a bug report?
> 
> A colleague of mine pointed me in the right direction. There was a cdrom
> defined in the virtual machine. After removing it the process runs as
> expected:
> 
> + virsh blockcommit kaltura vda --active --verbose --pivot
> Block Commit: [100 %]
> Successfully pivoted

It seems the real cause is qemu 2.2.0. The error reaccurred the other
day even with only one disk configured. After downgrading to qemu-2.1.2
no problems so far.

cheers
t.