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Re: [Qemu-devel] seabios 1.7.3 breaks booting windows 7?

From: Cole Robinson
Subject: Re: [Qemu-devel] seabios 1.7.3 breaks booting windows 7?
Date: Mon, 08 Jul 2013 20:18:42 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7

On 07/08/2013 07:18 PM, Kevin O'Connor wrote:
> On Mon, Jul 08, 2013 at 05:23:40PM -0400, Cole Robinson wrote:
>> On 07/07/2013 11:41 PM, Kevin O'Connor wrote:
>>> The 1.7.3 version of SeaBIOS has now been released.  For more
>>> information on the release, please see:
>> Just gave it a spin, breaks booting a Windows 7 VM for me. Using qemu-1.4.2
>> from Fedora 19 as well as qemu.git.
>> Here's the BSOD (F19 qemu and seabios 1.7.3):
>> http://crobinso.fedorapeople.org/misc/seabios_1.7.3_windows_err.png
> Thanks for testing.  I have a "Windows 7 Ultimate" beta (build 7100)
> that I tested with and I don't see this problem.  (Nor do I see the
> problem on WinXP.)
> Can you try without smp and with a smaller memory size (eg, 512M) to
> see if the behavior changes.

Hmm, my winxp 32 guest is reproducing as well. And I can reproduce with just
the windows 7 media (mine is ultimate N, came off MSDN years ago):

~/src/qemu/x86_64-softmmu/qemu-system-x86_64 -m 512 -sdl -cdrom
/mnt/data/devel/media/win7_64.iso -boot d -bios ~/src/seabios/out/bios.bin

vista and windows 8 preview media are reproducing for me too.

Maybe it's a toolchain thing, anyone else on Fedora 19 that can independently

> Otherwise, we'll need to iterate through each change in the 76e58028
> commit and find out which part of the DSDT that your copy of Windows
> doesn't like.

I'll probably need some hand holding through that, I can't tell from looking
at the patch what parts are independent.

- Cole

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