Amdgpu kernel oops and freezing graphics

[Alex Deucher]

On Tue, Jul 21, 2020 at 2:21 PM Harvey <harv at gmx.de> wrote:
>
> Alex,
>
> tnak you so much - you're my hero!
>
> Am 21.07.20 um 18:17 schrieb Alex Deucher:
> > On Mon, Jul 20, 2020 at 4:22 AM Harvey <harv at gmx.de> wrote:
> >>
> >> Hello,
> >>
> >> this is my first post to this list so please be patient with me ;)
> >>
> >> The facts:
> >>
> >> it is now one week that I own a new laptop, a MSI Bravo 17 A4DDR/MS-17FK
> >> with Ryzen 7 4800U and hybrid graphics on a Radeon RX 5500M. I installed
> >> my beloved Archlinux but I can't start any graphics withpout kernel oops
> >> on it beside the normal console, even calling 'lspci' on the console is
> >> provoking errors.
> >>
> >> I am using linux kernel 5.7.9 and linux-firmware 20200619.e96c121
> >>
> >> (FWIW: I even tried with a self-cmpiled kernel 5.8-rc5 and
> >> linux-firmware directly from the git repository - no changes)
> >>
> >> The following is only part of the information I can provide but I didn't
> >> want to make this mail bigger than it already is.
> >
> > Does appending amdgpu.runpm=0 on the kernel command line in grub help?
>
> Yes it does. Woohoo! The system is not freezing anymore! Can I provide
> any further information to get this sorted?
>
> I will be happy to help investigating and testing if needed.

Does appending pci=noats on the kernel command line in grub also fix the issue?

Alex