[Bug 105425] 3D & games produce periodic GPU crashes (Radeon R7 370)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105425

--- Comment #22 from iive at yahoo.com ---
(In reply to MirceaKitsune from comment #21)
> (In reply to iive from comment #20)
> 
> That's some amazing feedback, thank you very much! I'll definitely try those
> out, but I have a few questions about a few of these points:
> 
> 1. My OS (openSUSE Tumbleweed) doesn't have an xorg.conf file. I instead
> have an /etc/X11/xorg.conf.d directory with the following files in it:
> 
> 00-keyboard.conf
> 00-keyboard.conf.backup
> 10-amdgpu.conf
It goes in the Section "Device" of the video driver.
You can see all options with `man amdgpu` or
`man radeon`, etc.

> 5. So before running the program from a console, I do "export GALLIUM_HUD=1"
> or "GALLIUM_HUD=1;./my_program"? I don't suspect filled RAM as the game's
> process doesn't seem to leak memory... I do however suspect filled VRAM.
Do `GALLIUM_HUD=help glxgears` it would print all available graphs and the
syntax.

Here is what I used last time:
export GALLIUM_HUD=\
".dfps+cpu+GPU-load+temperature,.dGTT-usage+VRAM-usage,num-compilations+num-shaders-created;"\
"primitives-generated+draw-calls,samples-passed+ps-invocations+vs-invocations,buffer-wait-time;"\
"CS-thread-busy+gallium-thread-busy,dma-calls+cp-dma-calls,num-bytes-moved;"\
"num-vs-flushes+num-ps-flushes+num-cs-flushes+num-CB-cache-flushes+num-DB-cache-flushes"

> 6. What is the Kernel parameter for CMA please? It doesn't seem to be an
> amdgpu setting so I assume it's separate.
"cma=0 iommu=off"
You can look in linux-source/Documentation/admin-guide/kernel-parameters.txt

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