I'll start posting in the new forum 
<https://qubes-os.discourse.group/t/qubes-support-on-amd-4000-series-lenovo-x13-t14/202>

On Thursday, August 20, 2020 at 1:05:28 AM UTC+10 Chris Laprise wrote:

> On 8/19/20 8:52 AM, Dylanger Daly wrote:
> > So I managed to wrestle with Qube's build system and compile 
> > kernel-latest 5.8.1 after installing the resulting rpm I'm still 
> > observing the same black screen bug.
> > 
> > /Linux dom0 5.8.1-1.qubes.x86_64 #1 SMP Wed Aug 19 11:21:32 UTC 2020 
> > x86_64 x86_64 x86_64 GNU/Linux/
>
> Thanks for trying this.
>
> > 
> > This bug must be something IOMMU / Memory Management related.
> > 
> > > Yes, better support for new Ryzen CPU's would be nice.
> > 
> > I'm sure this issue will be fixed within a few weeks, AMD's new Laptop 
> > CPUs are all the rage right now, support shouldn't be too far behind, in 
> > the meantime I'll monitor the master branch for Xen 
> > <https://github.com/xen-project/xen/commits/master>and watch for any 
> AMD 
> > specific commits.
>
> I am thinking of ways to make a standard Linux KVM environment more 
> Qubes-like just in case this takes months or forever. My short list is:
>
> 1. Secure copy+paste
>
> 2. Auto snap-back (like read-only) for guest root
>
> 3. Isolated NICs via passthrough
>
> 4. Split GPG
>
> Probably a good place to get tips for these would be Whonix forum, since 
> they also use non-Qubes virtualization.
>
> -- 
> Chris Laprise, [email protected]
> https://github.com/tasket
> https://twitter.com/ttaskett
> PGP: BEE2 20C5 356E 764A 73EB 4AB3 1DC4 D106 F07F 1886
>

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