Comment # 24
on bug 105251
from CheatCodesOfLife
(In reply to Andrey Grodzovsky from comment #23) > (In reply to CheatCodesOfLife from comment #22) > > You're welcome. > > > > Not the exact same problem, no. I can get a hard-lock by trying to use > > amdvlk to play rpcs3, but it doesn't produce the same error and it's not as > > consistent (takes up to 15 minutes to crash) > > > > Not sure if it's worth noting but I went back and tried every Cemu version > > back to 1.5 and a lot of wine versions going back to 2.8. It happens every > > time as soon as the game loads. > > Let's try to get some debug info for the VMC page fault then - > > Clone and build our open source register analyzer from here - > https://cgit.freedesktop.org/amd/umr/ > Install trace-cmd utility > Load driver with cmd line parameter amdgpu.vm_fault_stop=2 from grub > P.S Best to use latest kernel from here - > https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next > > After desktop is loaded type > > sudo trace-cmd start -e dma_fence -e gpu_scheduler -e amdgpu -v -e > "amdgpu:amdgpu_mm_rreg" -e "amdgpu:amdgpu_mm_wreg" -e "amdgpu:amdgpu_iv" > to enable kernel event tracing log > > If possible to launch the game from shell then prepend the command with > GALLIUM_DDEBUG=always > to dump all the MESA commands into files in ~/ddebug_dumps/ > > > Start the game. When the problem happens do the following - > > as root > cd /sys/kernel/debug/tracing && cat trace > event_dump > > as normal user or root > sudo umr -lb > umr_dump > sudo umr -O verbose,use_colour -R gfx[.] >> umr_dump > sudo umr -O halt_waves,use_colour -wa >> umr_dump > dmesg > dmesg_dump > > Upload a tar/zip of all those files + all the files from ~/ddebug_dumps/ Thanks for the instructions. I think I've followed them correctly. I didn't build the amd-drm-next kernel as it'll be an overnight job (slow internet speeds) but I did add the grub parameters. I have attached the files.
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