On 09/28/2011 04:39 PM, Ruben Kerkhof wrote: > On Wed, Sep 28, 2011 at 16:12, Dennis Jacobfeuerborn > <[email protected]> wrote: >> On 09/28/2011 01:23 PM, Ruben Kerkhof wrote: >>> >>> Hey Dennis, >>> >>> On Tue, Sep 27, 2011 at 16:20, Dennis Jacobfeuerborn >>> <[email protected]> wrote: >>>> >>>> Hi, >>>> I just noticed that once I upgrade to libvirt-0.9.6-1 from the >>>> virt-preview >>>> repo on my Fedora 15 machine I can no longer boot guests that use virtio >>>> disks. I only get "Boot failed: could not read the boot disk". >>>> Removing the disk and re-adding it as IDE drive allows KVM to boot from >>>> the >>>> disk (although the full boot obviously fails due to the hda/vda naming >>>> difference but that's expected). >>>> >>>> After downgrading to libvirt-0.8.8-7 again the problem goes away and the >>>> guest boot fine from virtio disks. >>>> >>>> Is this a known problem? Do I have to configure something differently to >>>> make this work as it should? >>> >>> What version of Seabios are you using? I believe support for direct >>> booting from virtio disks was added only recently. >> >> That can't be right. I've been using only virtio disks for years now and >> never had any problem booting from them. >> Also as I mentioned above it is upgrading/downgrading libvirt that >> creates/fixes the issue. I don't touch the installed seabios package at all. >> >> Regards, >> Dennis > > Somewhere around 0.9.4 libvirt switched to use a different method to > indicate from which device to boot. > See > http://libvirt.org/git/?p=libvirt.git;a=commit;h=c3068d4d2381146ed46051ad636a928edea5c602 > > I think this causes Seabios to skip using extboot.bin for booting and > to try to directly boot from a disk. > If your Seabios version is too old, it won't support booting from > virtio disks directly. > > Does adding<bootmenu enable='yes'/> to your xml help? If I'm right > this will cause Seabios to fall back to using extboot.bin > > This is all just a wild guess, but I'm having the same issue with scsi disks.
I just checked my yum history and indeed while I updated almost all packages from virt-preview seabios-bin was not among them. After pulling that in as well the problem went away. The libvirt package should probably be updated to require seabios-bin >= 0.6.2. Regards, Dennis _______________________________________________ virt mailing list [email protected] https://admin.fedoraproject.org/mailman/listinfo/virt
