Re: [Xen-devel] [PATCH v2 25/24] xl: Document VGA problems arising from lack of physmap dmop

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Oct 06, 2017 at 03:57:09PM +0100, Ian Jackson wrote:
> Wei Liu writes ("Re: [PATCH v2 25/24] xl: Document VGA problems arising from 
> lack of physmap dmop"):
> > On Fri, Oct 06, 2017 at 03:33:52PM +0100, Ian Jackson wrote:
> > > [ extra patch, following test report from Ross ]
> ...
> > > +Domains with stdvga graphics cards to not work.
> > > +Domains with cirrus vga do work,
> > > +but there are performance problems with the vga console.
> > > +
> > 
> > I don't follow. Do you imply cirrus doesn't need add_to_physmap to
> > function?
> 
> Evidently not.  My qemu-dm-debian.guest.osstest.log does not contain
> any of the errors Ross quotes and I can connect to my guest's VGA
> console over vnc.
> 
> It does take a little extra time to boot, I think.  I didn't really
> notice this and thought it was a side effect of the happenstance that
> my guest had been converted from PV...
> 

Let's just say they don't work properly yet?

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