Comme=
nt # 24
on bug 10525=
1
from CheatCodesOfLife
(In reply to Andrey Grodzovsky from comment #23)
> (In reply to CheatCodesOfLife from comment #22)
> > You're welcome.
> >=20
> > Not the exact same problem, no. I can get a hard-lock by trying t=
o use
> > amdvlk to play rpcs3, but it doesn't produce the same error and i=
t's not as
> > consistent (takes up to 15 minutes to crash)
> >=20
> > Not sure if it's worth noting but I went back and tried every Cem=
u version
> > back to 1.5 and a lot of wine versions going back to 2.8. It happ=
ens every
> > time as soon as the game loads.
>=20
> Let's try to get some debug info for the VMC page fault then -=20=20
>=20
> Clone and build our open source register analyzer from here -
> https://cgit.freedes=
ktop.org/amd/umr/=20
> Install trace-cmd utility=20
> Load driver with cmd line parameter amdgpu.vm_fault_stop=3D2 from grub
> P.S Best to use latest kernel from here -
> https://cgit.freedesktop.org/~agd5f/linux/log/?h=3Damd-stagin=
g-drm-next
>=20
> After desktop is loaded type=20
>=20
> 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
>=20
> If possible to launch the game from shell then prepend the command wit=
h=20
> GALLIUM_DDEBUG=3Dalways=20
> to dump all the MESA commands into files in ~/ddebug_dumps/
>=20
>=20
> Start the game. When the problem happens do the following -=20
>=20
> as root=20
> cd /sys/kernel/debug/tracing && cat trace > event_dump
>=20
> 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
>=20
> Upload a tar/zip of all those files + all the files from ~/ddebug_dump=
s/
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.