[cfl iommu] GPU Hang with Gallium3D iris driver on FC31

Submitted by Ryan Walklin @ryanwalklin

Assigned to Intel GFX Bugs mailing list

Link to original bug (#112341)

Description

Created attachment 146000
GPU crash dump

As per dmesg:

[ 1156.640672] DMAR: DRHD: handling fault status reg 3
[ 1156.640677] DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr fffffffeffef6000 [fault reason 07] Next page table ptr is invalid
[ 1162.782665] i915 0000:00:02.0: GPU HANG: ecode 9:1:0x85dffffb, in alacritty [4420], hang on rcs0
[ 1162.782667] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[ 1162.782667] Please file a new bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[ 1162.782667] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[ 1162.782667] The GPU crash dump is required to analyze GPU hangs, so please always attach it.
[ 1162.782668] GPU crash dump saved to /sys/class/drm/card0/error
[ 1162.783676] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0

ThinkPad X1Y4 (i7-8665U/UHD 620 with kernel 5.4-rc8, MESA 19.3-rc3 and MESA_LOADER_DRIVER_OVERRIDE=iris

Crash dump attached.

Attachment 146000, "GPU crash dump":
bug