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

[Stefano Stabellini]

On Wed, 12 Aug 2009, Alexandre CABROL PERALES wrote:
> 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 am sorry but my patch wasn't meant to fix your problem.


> 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 ?

Sure it can, but I haven't had the time to look at it yet.