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Re: [libvirt] Seabios can't boot from a disk behind i82801b11-bridge device (was Re: [PATCH 6/7] qemu: add dmi-to-pci-bridge controller)



On Mon, Aug 5, 2013 at 3:49 AM, Gerd Hoffmann <kraxel redhat com> wrote:
>   Hi,
>
>> Ok, isn't that easy.  Funny thing is that seabios boots just fine when
>> using "pci-bridge" but doesn't when using "i82801b11-bridge".
>
> Turned out to not be seabios fault at all.  Bug is in qemu,
> i82801b11-bridge completely ignores any io window setup done by the
> guest.  Oops.
>
> cheers,
>   Gerd

Thanks a bunch for tracking that down Gerd. I can confirm that fixes
the issue and the libvirt patch to work around this is unnecessary.

-- 
Doug Goldstein


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