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From: Michael Tokarev <mjt@tls.msk.ru>
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Subject: Re: [Qemu-devel] current qemu git does not work with win7 guest
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To: Gleb Natapov <gleb@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

On 07.05.2012 12:06, Gleb Natapov wrote:
> On Mon, May 07, 2012 at 12:01:47PM +0400, Michael Tokarev wrote:
[]
>>>> And the previously installed guest never reboots in currrent
>>>> git version, always giving the 0x5c STOP code after first
>>>> boot.  This is aint good at all, as existing guests does
>>>> not work anymore..... :(
>>
>>>>> P.S. I used 32bit version of qemu userspace and 32bit
>>>>> version of win7 guest (so far), with 1G guest ram and
>>>>> -cpu host, from AthlonII host cpu, and with -smp 1.
>>
>>> Can you verify that issue also exist in 64 bit version? What about
>>> qemu-kvm?
>>
>> I'm trying.  But the problem is that right now I'm swamped
>> with other work.  So far win7 x64 appears to work, it
>> reboots without showing this "stop" thing or other issues,
>> even with 32bit qemu userspace.
>>
> Sorry, didn't make myself clear. I mean 32bit version of host
> kernel/qemu just to rule 32bitness out.

Ok.  So it apparently works fine in 64bit version of qemu
userspace,  but not in 32bit version.  The same issue demonstrates
winXP machine too (also 32bits, and also only on 32bit version
of qemu).

And I don't have time right now for any reasonable bisection... sigh.

Thanks,

/mjt