[SeaBIOS] VM won't start since 76e58028d28e78431f9de3cee0b3c88d807fa39d

Gerd Hoffmann kraxel at redhat.com
Mon Mar 18 11:48:57 CET 2013

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.

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


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