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Date: Mon, 07 May 2012 11:40:16 -0300
From: Jan Kiszka <jan.kiszka@siemens.com>
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Subject: Re: [Qemu-devel] current qemu git does not work with win7 guest
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To: Michael Tokarev <mjt@tls.msk.ru>
Cc: qemu-devel <qemu-devel@nongnu.org>, Gleb Natapov <gleb@redhat.com>

On 2012-05-07 11:35, Michael Tokarev wrote:
> On 07.05.2012 18:18, Jan Kiszka wrote:
> []
>> I have a 32-bit WinXP here to test (but not a Win7-32) and will give it
> 
> I just found out that a 32bit guest is not enough.  The problem appears
> to be with 32bit userspace running under 64bit kernel only.  I just
> booted a 32bit kernel here on host, and now all windows guests reboot
> fine, with and without kvmvapic.bin file.

With 32bit userspace you mean 32-bit qemu running on 64-bit kernel?
Smells like some alignment issue in the vapic data structures.

> 
>> a try later. What irritates me is that qemu.git has a problem here but
>> not latest qemu-kvm.git. Both are very similar now. Hmm, what is your
>> qemu.git command line again? Does it include "-machine
>> accel=kvm,kernel_irqchip=on" (to enable in-kernel irqchip)?
> 
> Rebooting... ;)

Ok. :)

Jan

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