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Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank
From: |
Pasi Kärkkäinen |
Subject: |
Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest |
Date: |
Mon, 29 Jul 2013 13:58:10 +0300 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
On Mon, Jul 29, 2013 at 08:48:54AM +0000, Gonglei (Arei) wrote:
> > -----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!
>
Unfortunately I don't have any more details.. I was just assuming if xen
qemu-dm is fast,
but upstream qemu is slow, there might be some optimization in xen qemu-dm ..
Did you check the xen qemu-dm (traditional) history / commits?
-- Pasi
> -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
>
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, (continued)
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Anthony Liguori, 2013/07/25
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gonglei (Arei), 2013/07/25
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Anthony Liguori, 2013/07/25
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gonglei (Arei), 2013/07/26
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Andreas Färber, 2013/07/26
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gerd Hoffmann, 2013/07/26
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Andreas Färber, 2013/07/26
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gonglei (Arei), 2013/07/27
- Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Pasi Kärkkäinen, 2013/07/27
- Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gonglei (Arei), 2013/07/29
- Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest,
Pasi Kärkkäinen <=
- Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gonglei (Arei), 2013/07/29
- Re: [Qemu-devel] [Xen-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Fabio Fantoni, 2013/07/26
- Re: [Qemu-devel] Cirrus VGA slow screen update, show blank screen last 13s or so for windows XP guest, Gonglei (Arei), 2013/07/26