Re: xsrc/56729: amdgpu X driver nearly (but not quite) working

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR xsrc/56729; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: xsrc/56729: amdgpu X driver nearly (but not quite) working
Date: Sat, 29 Jun 2024 15:24:50 +0200

 I updated the machine to -current as of today and retried.
 I couldn't reproduce any graphical errors immediately (all looked fine
 in a single try). I made sure /dev/dri/card0 was readable and started
 firefox.
 
 [  1261.830817] {drm:netbsd:amdgpu_job_timedout+0xaa} *ERROR* ring gfx timeout, signaled seq=98563, emitted seq=98565
 [  1261.831816] {drm:netbsd:amdgpu_job_timedout+0xc7} *ERROR* Process information: process firefox pid 5335 thread firefox:cs0 pid 4833
 [  1261.831816] amdgpu0: GPU reset begin!
 [  1262.461796] cp is busy, skip halt cp
 [  1262.689789] rlc is busy, skip halt rlc
 [  1262.690789] amdgpu0: GPU BACO reset
 [  1262.850783] amdgpu0: GPU reset succeeded, trying to resume
 [  1262.852783] [drm] PCIE GART of 256M enabled (table at 0x000000F400300000).
 [  1262.852783] [drm] VRAM is lost due to GPU reset!
 [  1263.008778] [drm] UVD and UVD ENC initialized successfully.
 [  1263.109775] [drm] VCE initialized successfully.
 [  1263.113775] [drm] recover vram bo from shadow start
 [  1263.114775] [drm] recover vram bo from shadow done
 [  1263.114775] [drm] Skip scheduling IBs!
 [  1263.114775] [drm] Skip scheduling IBs!
 [  1263.114775] amdgpu0: GPU reset(2) succeeded!
 [  1273.113449] {drm:netbsd:amdgpu_job_timedout+0xaa} *ERROR* ring gfx timeout, signaled seq=98566, emitted seq=98566
 [  1273.113449] {drm:netbsd:amdgpu_job_timedout+0xc7} *ERROR* Process information: process firefox pid 5335 thread firefox:cs0 pid 4833
 [  1273.113449] amdgpu0: GPU reset begin!
 [  1273.512436] amdgpu0: GPU BACO reset
 [  1273.673431] amdgpu0: GPU reset succeeded, trying to resume
 [  1273.675431] [drm] PCIE GART of 256M enabled (table at 0x000000F400300000).
 [  1273.675431] [drm] VRAM is lost due to GPU reset!
 [  1273.831425] [drm] UVD and UVD ENC initialized successfully.
 [  1273.932422] [drm] VCE initialized successfully.
 [  1273.936422] [drm] recover vram bo from shadow start
 [  1273.937422] [drm] recover vram bo from shadow done
 [  1273.937422] amdgpu0: GPU reset(3) succeeded!
 
 and now the screen is psychedelic, I see a (huge) square as mouse pointer
 (and can move it).
 
 I can kill X and xdm starts a new server (with working display).
 
 Martin