On Fri, Dec 21, 2018 at 8:15 AM Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx> wrote: > > Hi folks, > I tries debug problems with hung of GPU Vega 64 and AMD developers > helps me in this: > https://lists.freedesktop.org/archives/amd-gfx/2018-December/029903.html > > But we are stopped because on my setup some files in directory > `/sys/kernel/debug/dri/0/` not openens. I guess wrong mailing list. > > For example: > # cat /sys/kernel/debug/dri/0/amdgpu_gca_config > cat: /sys/kernel/debug/dri/0/amdgpu_gca_config: Operation not permitted > > But some another files are possible to open: > # cat /sys/kernel/debug/dri/0/amdgpu_firmware_info > VCE feature version: 0, firmware version: 0x37030400 > UVD feature version: 0, firmware version: 0x01571100 > MC feature version: 0, firmware version: 0x00000000 > ME feature version: 40, firmware version: 0x00000099 > PFP feature version: 40, firmware version: 0x000000ae > CE feature version: 40, firmware version: 0x0000004d > RLC feature version: 0, firmware version: 0x00000058 > RLC SRLC feature version: 0, firmware version: 0x00000000 > RLC SRLG feature version: 0, firmware version: 0x00000000 > RLC SRLS feature version: 0, firmware version: 0x00000000 > MEC feature version: 40, firmware version: 0x0000018b > MEC2 feature version: 40, firmware version: 0x0000018b > SOS feature version: 0, firmware version: 0x00080039 > ASD feature version: 0, firmware version: 0x00172830 > SMC feature version: 0, firmware version: 0x051c1100 > SDMA0 feature version: 40, firmware version: 0x000001a8 > SDMA1 feature version: 40, firmware version: 0x000001a8 > VCN feature version: 0, firmware version: 0x00000000 > DMCU feature version: 0, firmware version: 0x00000000 > VBIOS version: xxx-xxx-xxx > > Tom (AMD developer) said that on his machine he could cat > amdgpu_gca_config fine. > > I don't have any ideas why on my system I couldn't cat this file. > > fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 8), ...}) = 0 > openat(AT_FDCWD, "/sys/kernel/debug/dri/0/amdgpu_ring_gfx", O_RDONLY) > = -1 EPERM (Operation not permitted) > > Who can tell where to look problem? > > Thanks. > > -- > Best Regards, > Mike Gavrilov. -- With Best Regards, Andy Shevchenko
