[SeaBIOS] [Qemu-devel] insmod virtio-blk is broken in qemu 1.0

Kevin O'Connor kevin at koconnor.net
Sat Dec 17 17:49:56 CET 2011

On Sat, Dec 17, 2011 at 10:24:07AM -0600, Anthony Liguori wrote:
> On 12/17/2011 09:25 AM, Richard W.M. Jones wrote:
> >On Sat, Dec 17, 2011 at 09:22:45AM -0600, Anthony Liguori wrote:
> >>I've even further narrowed it down to the presents or lack of '-vga
> >>cirrus'.  If you add '-vga cirrus' to the above command line, the
> >>guest will boot successfully.
> >
> >Confirmed: Adding -vga cirrus to the command line cures it too.
> >
> >That's a strange one :-)
> vga sticks out a bit because it's one of the few places where we
> treat device memory as ram as a performance optimization.
> The only time vga has been touched in between v0.15 and v1.0 was
> during the introduction of the memory API.
> It's this commit:
> commit d67c3f2cd92aed2247bfa8a9da61a902b7b2ff09
> Author: Gerd Hoffmann <kraxel at redhat.com>
> Date:   Wed Aug 10 17:34:13 2011 +0200
>     seabios: update to master

This looks like the same issue reported at:


The SeaBIOS fix for this was in rel- - but that didn't make
QEmu 1.0.  Does the problem go away if you upgrade to the newer
SeaBIOS version?


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