Re: [Qemu-devel] [libvirt] [PATCH 3/3] cirrus: mark as deprecated

[Daniel P . Berrangé]

On Fri, Oct 26, 2018 at 09:48:35AM +0100, Cole Robinson wrote:
> On 10/25/2018 09:37 PM, Daniel P. Berrangé wrote:
> > On Thu, Oct 25, 2018 at 10:52:56AM +0200, Gerd Hoffmann wrote:
> > > While being at it deprecate cirrus too.
> > > 
> > > Reason (short version): use stdvga instead.
> > > Verbose version:
> > >      
> > > https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful
> > 
> > Every single one of my guests is using cirrus. This wasn't an explicit
> > choice on my part, so I believe it is being used as the default in
> > virt-install.
> > 
> 
> virt-manager/virt-install 2.0.0 will never explicitly set cirrus, but that
> release is quite new. The previous release's default for x86 was roughly:
> 
> if using spice graphics:
>     use qxl
> elif guest os is windows:
>     use vga
> else:
>     use cirrus
> 
> It was definitely sub optimal. Maybe your virt-install commands were
> explicitly setting --graphics vnc which would trigger cirrus in that case.

Yep, I've always tended to use vnc, since QXL has historically been a
pretty buggy & unreliable device model with guests often breaking.

Regards,
Daniel
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