[SeaBIOS] VM won't start since 76e58028d28e78431f9de3cee0b3c88d807fa39d

Michael S. Tsirkin mst at redhat.com
Mon Mar 18 12:57:00 CET 2013


On Mon, Mar 18, 2013 at 11:48:57AM +0100, Gerd Hoffmann wrote:
> On 03/17/13 19:27, Michael S. Tsirkin wrote:
> > With seabios built from source, and latest qemu, VMs hang during boot
> > for me.  Bisect points at this commit:
> > 76e58028d28e78431f9de3cee0b3c88d807fa39d
> > 
> > Reverting this helps. Guest is stuck quite late, after
> > 'switching root' message, so this could be just an OS
> > visible change that it can't handle.
> > Didn't try debugging more yet.
> 
> Make sure dsdt + seabios are in sync.  latest bios.bin + dsdt from qemu
> tree isn't going to work.

Yes, this was the issue. Thanks!

> With qemu/master (4524051c32190c1dc13ec2ccd122fd120dbed736+) you can
> simply use 'qemu -L /path/to/seabios/out' and qemu will pick up both
> bios.bin and dsdt tables from the seabios build output dir (and
> everything it doesn't find there such as vgabios blobs from the default
> paths).
> 
> cheers,
>   Gerd



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