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GPU HANG: ecode 9:1:0x85dffffb, in Compositor [22561], hang on rcs0

System information:

  • Gentoo Linux amd64, 5.4.8-gentoo
  • Using DisplayPort
  • System is a Dell Precision 3630
  • CPU is an Intel(R) Xeon(R) E-2146G

Problem occurs randomly, sometimes when browsing web pages, it only freezes the browser, sometimes the full machine freezes (graphically, SSH still works). Periodicity of the issue is a few weeks.

dmesg shows:

DMAR: DRHD: handling fault status reg 2
DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr fffffffef8033000 [fault reason 07] Next page table ptr is invalid
i915 0000:00:02.0: GPU HANG: ecode 9:1:0x85dffffb, in Compositor [22561], hang on rcs0
GPU crash dump saved to /sys/class/drm/card0/error
i915 0000:00:02.0: Resetting rcs0 for hang on rcs0

Here's the crashdump.

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