[CentOS] KVM problem after update to 5.6

Mon Apr 11 09:43:15 UTC 2011
Alain Péan <alain.pean at lpp.polytechnique.fr>

Le 11/04/2011 11:30, Riccardo Veraldi a écrit :
> Hello, after updating to Cents 5.6 and so to kvm-83-224
> my KVM virtual machines qemu qcow2 based images do not start anymore.
> Looking at VM console the error message is that VM media is not bootable.
> Going back to previous KVM version kvm-83-164 from Centos 5.5 they works
> again.
> What's wrong with qemu images ?
> anyone has an idea on how to fix the problem ?
> thanks
> Rick

Hi Ricardo,

There is a known bug related to qcow2 images considered as raw images in 
latest kvm. I don't find the bug in red hat and fedora, but here is what 
I found with Ubuntu.


Hope that helps


Alain Péan - LPP/CNRS
Administrateur Système/Réseau
Laboratoire de Physique des Plasmas - UMR 7648
Observatoire de Saint-Maur
4, av de Neptune, Bat. A
94100 Saint-Maur des Fossés
Tel : 01-45-11-42-39 - Fax : 01-48-89-44-33