Re: Xen on RP4

[Roman Shaposhnik <roman@xxxxxxxxxx>]

On Tue, Nov 24, 2020 at 8:41 PM Elliott Mitchell <ehem+xen@xxxxxxx> wrote:
>
> On Tue, Nov 24, 2020 at 08:01:32PM -0800, Roman Shaposhnik wrote:
> > On Tue, Nov 24, 2020 at 7:37 PM Elliott Mitchell <ehem+xen@xxxxxxx> wrote:
> > > Presently I'm using a 5.8 kernel with your patches and haven't seen
> > > graphical output under Xen with either boot stack.  I've confirmed fully
> > > operational graphics without Xen on Tianocore, I've confirmed operational
> > > virtual terminals with U-Boot and not Xen.
> > >
> > > I had been planning to wait a bit before moving to 5.9, but if that is
> > > the crucial ingredient I'll move early.
> >
> > We're still using 5.4 -- but it seems that the next LTS 5.10 is also 
> > functional.
> >
> > I can bet $10 whatever it is -- it is DT related ;-)
>
> Given how many of the pieces I'm assembling are alpha or beta level, I
> estimate a 50:50 chance on that.  Good odds it is device-tree, but good
> odds I grabbed a bad version of $something.
>
> I mostly wanted to know whether I was in completely uncharted territory
> and needed to wait for others to catch up, versus merely working in a
> situation where support is funky and I'm at an unknown location in
> charted territory.
>
> I'll be keeping the Tianocore setup available since Xen on ARM really
> /should/ allow ACPI...

I don't think you're in the uncharted -- so perhaps a bit of debugging left.

And, of course, alway feel free to compare what we do -- the image is
docker pull away.

Thanks,
Roman.