Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest

[Gonglei (Arei)]

> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:address@hidden
> Sent: Saturday, July 27, 2013 7:51 PM
> To: Gerd Hoffmann
> Cc: Andreas Färber; Hanweidong; Luonengjun; address@hidden;
> address@hidden; Gonglei (Arei); Anthony Liguori; Huangweidong
> (Hardware)
> Subject: Re: [Xen-devel] [Qemu-devel] Cirrus VGA slow screen update, show
> blank screen last 13s or so for windows XP guest
> 
> On Fri, Jul 26, 2013 at 12:19:16PM +0200, Gerd Hoffmann wrote:
> >
> > Maybe the xen guys did some optimizations in qemu-dm which where not
> > merged upstream.  Try asking @ xen-devel.
> >
> 
> Yeah, xen qemu-dm must have some optimization for cirrus that isn't in
> upstream qemu.

Hi, Pasi. Would you give me some more details? Thanks!

-Gonglei

> > Beside that the standard vga usually is the better choice anyway as it
> > supports more video memory and higher resolutions than cirrus.
> >
> 
> One of the reasons to use emulated Cirrus is that there's a KMS driver for it.
> Is there one for the emulated stdvga adapter?
> 
> -- Pasi