[Bug 247416] x11-servers/xorg-server: DRI2 fails on AMD Polaris 10

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247416

--- Comment #27 from Niclas Zeising <zeising at FreeBSD.org> ---
In the dmesg you just posted, amdgpu.ko is not loading correctly:

> [drm:gfx_v8_0_ring_test_ring] amdgpu: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)
> [drm:amdgpu_device_ip_init] hw_init of IP block <gfx_v8_0> failed -22
> drmn0: amdgpu_device_ip_init failed
> drmn0: 0xfffff800037c8800 unpin not necessary
> drmn0: 0xfffff8000476f800 unpin not necessary
> [TTM] Finalizing pool allocator
> [TTM] Zone  kernel: Used memory at exit: 0 kiB
> [TTM] Zone   dma32: Used memory at exit: 0 kiB
> [drm] amdgpu: ttm finalized
> drmn0: Fatal error during GPU init
> [drm] amdgpu: finishing device.
> device_attach: drmn0 attach returned 22

Looking at Xorg.log, I see that it is using the vesa driver, and also
complaining about not finding dri/card/0, further confirming that this is the
case.

It might be that you were using swrast before, and that is now failing.  It is
one of the components that changed between mesa-dri 19.0.8_4 and _7.

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