> It could be that 5.8 has a fixed amdgpu driver Yeah you could have a point here, looks like 5.8 was pushed to qubes-linux-kernel <https://github.com/QubesOS/qubes-linux-kernel/commit/51dbb9d3989f8c2840b2f3156d3fd38efa0d3e0f> 12 hours ago.
I'll try compile this and see how it goes. On Monday, August 17, 2020 at 1:20:32 AM UTC+10 Chris Laprise wrote: > On 8/11/20 1:13 AM, Dylanger Daly wrote: > > > I'm going to experiment with moving a couple of my Qubes VMs over to > the > > Ubuntu install under KVM (using VM Manager app). > > > > Nice, I've had the same thought with Fedora Silverblue, but Qube's qvm- > > etc tools make everything so much easier. > > > > > The Qubes 4.1 tree appears to have Xen 4.13 and Linux 5.7, currently. > > > > Indeed R4.1 is using Xen 4.13.1 > > <https://github.com/xen-project/xen/commits/RELEASE-4.13.1> last commit > > was back on May 7th 2020, I can't seem to see any AMD/Ryzen specific > > commits that are newer than this date, I was looking at cherry picking > > Xen commits related to AMD/Ryzen however I can't find any. > > > > Any and all AMD Related commits I can find were made in 2019 and are > > included in the current Xen 4.13.1 > > > > So perhaps this is actually a dom0/Linux Kernel issue? Surely if it were > > Xen they'd have something committed by now? > > On Monday, August 10, 2020 at 8:21:05 PM UTC+10 Chris Laprise wrote: > > I've experimented a bit with Ubuntu and some different kernels. I was > not able to get 5.7.0 kernel graphics to work at all (not even > vga/framebuffer), while 5.8.0 and 5.8.1 work beautifully and 'lshw' > confirms the amdgpu driver is being used to drive the display. The > default 5.4.0 kernel won't recognize the gpu but graphics do work > without acceleration. > > I don't know why graphics are broken in 5.7 (dmesg didn't show any > vga/amdgpu errors) when that is the first kernel to receive AMD Renoir > support. It could be that 5.8 has a fixed amdgpu driver, or that the > presence of power management drivers is required to properly drive the > Vega gpu. > > -- > Chris Laprise, [email protected] > https://github.com/tasket > https://twitter.com/ttaskett > PGP: BEE2 20C5 356E 764A 73EB 4AB3 1DC4 D106 F07F 1886 > -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/2e6f29d0-b714-446a-b8f0-c0713e551bfdn%40googlegroups.com.
