Re: Suspecting corrupted VBIOS after update of AMDGPU on AMD7870

Jacob Hrbek <kreyren@xxxxxxxxxxxxxx> · Fri, 31 Jan 2020 05:09:06 +0100

I'm sorry for the wrong link, this one should work https://gist.github.com/Kreyren/3e55e9a754e58956e1690e38b1888de7

I've manually compiled kernel-5.5 which results in this dmesg - https://gist.githubusercontent.com/Kreyren/2fa75d30e0632d73311a13c2e872cfe6/raw/78d367f890eb64026e64597091a2a2f40bdbe46a/gistfile1.txt

If relevant i've used this config https://gist.githubusercontent.com/Kreyren/7b20ad875ca42381d4a0a8e5b1b26a2c/raw/171747682e49fe28cb653b2e45ee42390ca59338/gistfile1.txt (grabbed from debian)

Regards,
- Jacob Hrbek

On Fri, Jan 31, 2020 at 2:57 AM Liu, Zhan <Zhan.Liu@xxxxxxx> wrote:

Okay I see. From your attached dmesg.log, issue comes from here:

[   26.265638] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma0 timeout, signaled seq=1, emitted seq=2
[   26.265764] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information: process  pid 0 thread  pid 0
[   26.265771] [drm] GPU recovery disabled.

There was a very similar issue that’s recently fixed and merged in 5.5 kernel. I’ve noticed that you are using 5.4 kernel, so you can give 5.5 a spin to see what happens.

As for these “Green Dots” at BIOS initialization stage, the main amdgpu driver was not loaded yet, so it shouldn’t related to amdgpu.

BTW, your new findings (https://gist.github.com/Kreyren/3e55e9a754e58956e1690e38b1888de7) gives me 404. Please fix the link. Good luck!

Warm regards,
Zhan

From: Jacob Hrbek <kreyren@xxxxxxxxxxxxxx> 

Sent: 2020/January/30, Thursday 5:55 PM

To: Liu, Zhan <Zhan.Liu@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx

Subject: Re: Suspecting corrupted VBIOS after update of AMDGPU on AMD7870

Hello Zhan,

Here is it:

https://gist.githubusercontent.com/Kreyren/e35587d8710e63e511e69d8653fd996b/raw/628df1c76ff99adab1d2161e6a20f631de101d5c/gistfile1.txt

Note that I'm updating previous gists with new findings (https://gist.github.com/Kreyren/3e55e9a754e58956e1690e38b1888de7).

If relevant i'm also getting these 'Green dots' at the initialization of bios (https://linx.li/s/8j3poh2z.png).

These dots are not present anywhere else and were not present before said update.

Thanks,

- Jacob Hrbek

On Thu, Jan 30, 2020 at 8:10 PM Liu, Zhan <Zhan.Liu@xxxxxxx> wrote:

Hi Jacob,

Thant you for your bug reporting.

I saw you attached xorg.log, which is great. Could you also grab dmesg.log via SSH?

Thanks,
Zhan

From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx>
On Behalf Of Jacob Hrbek

Sent: 2020/January/30, Thursday 12:18 PM

To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx

Subject: Suspecting corrupted VBIOS after update of AMDGPU on AMD7870

Hello,

I believe that system update that included amdgpu on debian testing (but i am on LFS) corrupted my VBIOS on AMD7870
 (+- 4 hours after the update the GPU using AMDGPU/Radeon drivers resulted in no output).

i'm sending this email to inform about possible bug with my findings on

https://gist.github.com/Kreyren/3e55e9a754e58956e1690e38b1888de7 and i would appreciate any help in excluding VBIOS corruption from the diagnostics.

Thanks,

- Jacob Hrbek

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