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Re: [Qemu-devel] [PATCH 2/2] vga: flip qemu 2.2 pc machine types from ci
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] vga: flip qemu 2.2 pc machine types from cirrus to stdvga |
Date: |
Tue, 25 Nov 2014 12:35:14 +0200 |
On Mon, Nov 24, 2014 at 01:18:59PM +0100, Gerd Hoffmann wrote:
> Hi,
>
> > > > This is not new - it was disabled with -vga std previously -
> > > > but poses a bigger problem now it's the default?
> > > > Thoughts? Something we can fix for 2.2?
> > >
> > > Which windows version is this?
> > >
> > > I'm wondering why windows handles stdvga different from cirrus. Recent
> > > windows versions don't ship cirrus drivers any more, so windows uses the
> > > vgabios to drive the card in both cases ...
> > >
> > > cheers,
> > > Gerd
> > >
> >
> > I tested with XP. I can try others if you like.
>
> Yep. WinXP was the last release shipping with cirrus drivers, so, yes,
> it'll be a change there. On anything more recent I'd expect you don't
> see a difference in behavior between cirrus and stdvga.
>
> WinXP is out of support though, and I see little reason to care too much
> here. Especially as this is only about picking a default, not about
> dropping cirrus support. If you need it it is still there, and machine
> types for 2.1 & older continue to default to cirrus.
>
> cheers,
> Gerd
I checked windows 7, and I see a problem with it, as well:
with -vga cirrus, hybernate is enabled, with new default,
it is disabled :(
--
MST