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Linux 5.5 / 5.6 amdgpu Kernel crash (possible fix)

Posted: Tue Mar 24, 2020 6:13 pm
by Apache14
Hello All,

I was seeing kernel crashes while running folding @ home , after some investigation I have submitted a kernel patch that should fix the issue. The issue was (seemingly) within the kernel drivers.

Both 5.5.x and 5.6rc kernels are affected for me

Kernel Error :

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[drm:amdgpu_ttm_backend_bind [amdgpu]] *ERROR* failed to pin userptr
Patch :

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lists.freedesktop.org/archives/dri-devel/2020-March/260116.html
Bugzilla thread :

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bugzilla.kernel.org/show_bug.cgi?id=206895

If anyone with issues can test that would be amazing.

Thanks in advance

Re: Linux 5.5 / 5.6 amdgpu Kernel crash (possible fix)

Posted: Tue Mar 24, 2020 9:14 pm
by Joe_H
Thank you for posting this.