Amdgpu kernel oops and freezing graphics

[Harvey]

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.

Greeintgs
Harvey

--
I am root. If you see me laughing, you'd better have a backup!