Re: Xen on RP4

[Elliott Mitchell <ehem+xen@xxxxxxx>]

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...


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