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Re: [Qemu-devel] [PATCH] make vga screen_dump use DisplayState properly


From: Alexandre CABROL PERALES
Subject: Re: [Qemu-devel] [PATCH] make vga screen_dump use DisplayState properly
Date: Wed, 12 Aug 2009 11:25:22 +0200
User-agent: Thunderbird 2.0.0.21 (X11/20090515)

Avi Kivity a écrit :
> On 08/11/2009 06:42 PM, Anthony Liguori wrote:
>>> Testing is appreciated.
>>
>> Does this fix kvm-autotest Avi?
> 
> It does.  Stefano, thanks for the quick response.
> 

Hi all i just tested:
commit 0bd8246bfec1dfb2eb959f52db535572c0260f4c
Author: Stefano Stabellini <address@hidden>
Date:   Mon Aug 3 16:14:39 2009 +0100



I tried to install windows nt 4.0

with qemu -vga cirrus
and on screen resize qemu crash with :
Exception on floating point

I did:
gdb ./qemu
run -s -vga cirrus -hda /dev/vg/winnt

and on crash i got:

Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread 0x7f66c93d26e0 (LWP 16679)]
0x0000000000457632 in cirrus_bitblt_start (s=0x2598a58) at
/opt/qemu-unstable/hw/cirrus_vga.c:725
725         sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth;

Could it be possible to solve it ?
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