[Bug 213391] AMDGPU retries page fault with some specific processes amdgpu and sometimes followed [gfxhub0] retry page fault until *ERROR* ring gfx timeout, but soft recovered

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=213391

--- Comment #4 from Lahfa Samy (samy at lahfa.xyz) ---
I have about 1GB of VRAM currently set according to glxinfo:

Extended renderer info (GLX_MESA_query_renderer):
    Vendor: AMD (0x1002)
    Device: AMD Radeon(TM) Vega 10 Graphics (RAVEN, DRM 3.40.0, 5.12.9-arch1-1,
LLVM 12.0.0) (0x15d8)
    Version: 21.2.0
    Accelerated: yes
    Video memory: 1024MB
    Unified memory: no
Memory info (GL_ATI_meminfo):
    VBO free memory - total: 42 MB, largest block: 42 MB
    VBO free aux. memory - total: 2442 MB, largest block: 2442 MB
    Texture free memory - total: 42 MB, largest block: 42 MB
    Texture free aux. memory - total: 2442 MB, largest block: 2442 MB
    Renderbuffer free memory - total: 42 MB, largest block: 42 MB
    Renderbuffer free aux. memory - total: 2442 MB, largest block: 2442 MB
Memory info (GL_NVX_gpu_memory_info):
    Dedicated video memory: 1024 MB
    Total available memory: 4096 MB
    Currently available dedicated video memory: 42 MB
OpenGL vendor string: AMD
OpenGL renderer string: AMD Radeon(TM) Vega 10 Graphics (RAVEN, DRM 3.40.0,
5.12.9-arch1-1, LLVM 12.0.0)

How would I go about testing a patch ? (I probably need to rebuild the Linux
kernel with the patch, right and boot with it), I found this link, but it says
that the information in there is probably deprecated :
https://www.kernel.org/doc/html/v5.12/process/applying-patches.html

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