On Thu, 20 Dec 2018 at 16:17, StDenis, Tom <Tom.StDenis@amd.com> wrote:
>
> Well yup the kernel is not letting you open the files:
>
>
> As sudo/root you should be able to open these files with umr.  What
> happens if you just open a shell as root and run it?
>

[root@localhost ~]# touch /sys/kernel/debug/dri/0/amdgpu_ring_gfx
[root@localhost ~]# cat /sys/kernel/debug/dri/0/amdgpu_ring_gfx
cat: /sys/kernel/debug/dri/0/amdgpu_ring_gfx: Operation not permitted
[root@localhost ~]# ls -laZ /sys/kernel/debug/dri/0/amdgpu_ring_gfx
-r--r--r--. 1 root root system_u:object_r:debugfs_t:s0 8204 Dec 20
16:31 /sys/kernel/debug/dri/0/amdgpu_ring_gfx
[root@localhost ~]# getenforce
Permissive
[root@localhost ~]# /home/mikhail/packaging-work/umr/build/src/app/umr
-O verbose,halt_waves -wa
Cannot seek to MMIO address: Bad file descriptor
[ERROR]: Could not open ring debugfs fileSegmentation fault (core dumped)

I am already tried launch `umr` under root user, but kernel don't let
open `amdgpu_ring_gfx` again.

What else kernel options I should to check?

I am also attached current kernel config to this message.

--
Best Regards,
Mike Gavrilov.