Raptor Computing Systems Hardware > Blackbird

[amdgpu] [Fiji] Fedora 32 Linux kernel 5.7.x crashes

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tle:
Wondering if anyone has bumped into the issue with amdgpu crashing the kernel upon booting up? I am trying to isolate if this issue occurs to all radeon gpu or not.... or could it be related to something else.

I've reported the issue at https://bugzilla.redhat.com/show_bug.cgi?id=1855976 and https://gitlab.freedesktop.org/drm/amd/-/issues/1293

Many thanks in advance

P/S: My card is Radeon R9 Nano and the old kernel 5.6 works correctly.

** UPDATE **

I manage to get the card working by adding `amdgpu.dc=0` to the kernel parameter. Verified with 5.7.0

However yet there is likely another regression with kernel 5.8.x and 5.9.x because the driver crashes instantly upon loading up.

** UPDATE **

Kernel 5.8, 5.9 and 5.11 runs perfectly if the kernel is compiled with 4K pages

** UPDATE **

Kernel 5.10.5 to 5.10.24 runs perfectly with either 64K or 4K pages! So if you are on FC33, you don't have to do anything, it would just work! :D
FYI Fedora 33 skips 5.10.24 to jump straight to 5.11.7. If you are looking for the F33 RPMs for the 5.10.x series, check out my fork at https://github.com/runlevel5/fedora-linux-kernel/releases/tag/5.10.24.f33

** UPDATE **

Kernel 5.11.12 or older (64K pages) still suffers the same issue. Please make sure you use 5.11.12 or newer

MauryG5:
Hi TLE, I also reported the same problem to the Fedora team. Kernel 5.7.X still does not work with AMD Navi GPUs. We have arrived at version 5.7.15 if I remember correctly, or 5.7.14, but the Kernel still does not boot under Navi. I have the Navi 10 Radeon 5700 XT. They haven't answered me yet, I don't know if any of you have received an answer regarding the problem that has persisted for months now on this Kernel ...

MPC7500:

--- Quote from: tle on August 27, 2020, 11:50:42 pm ---I've reported the issue at https://bugzilla.redhat.com/show_bug.cgi?id=1855976

--- End quote ---

Maybe you get more attention on this ML?
https://lists.ozlabs.org/listinfo/linuxppc-dev

ClassicHasClass:
No problem with my WX7100 (Polaris), so it may be specific to Navi cards.

MPC7500:
I have a Navi, too with no problem and the R9 Nano is a Fiji-GPU, AFAIK.

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