On Wed, 2016-10-05 at 15:00 +0100, Andrei Perietanu wrote: > Hi Andrea, > Thanks for the reply; > To shed some more light on the matter I performed a few > more tests; each time doing a clean install. I installed > ubuntu14.04 as the guest OS, keeping everything else the > same. > On my custom Linux I've created ubuntu VMs before (using > ide drivers) and it all works file. This time I created the > VM using virtio disk drivers and the installation didn't > even finish. It reported a disk related error saying it's > not being able to read from /dev/vda. I restarted the > machine...same error. Okay, that makes more sense :) If the OS installer can access the disk, the installed OS should as well - or at the very least it should be possible to configure it to do so, eg. by including the relevant kernel modules in the initramfs. > Just to make sure that I have not messed anything up, > I did the same on the ubuntu host, so installed ubuntu guest > on an ubuntu host uding the same guest config xml. This time > everything worked fine. So it looks like a problem with the > kvm virtio drivers. > > I was trying to stay away from updating the qemu package > because adding the package takes a long time (usually, > because of missing dependencies), but I'm not sure I have > any other option at this point... You should really try taking one of the Ubuntu-on-virtio guests that you managed to create successfully on the Ubuntu host and copying it over to the custom Linux host (guest configuration + qcow2 disk image) to see whether it can boot. Failing that I guess upgrading QEMU is your best bet. -- Andrea Bolognani / Red Hat / Virtualization _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users