[Bug 103076] [v4.13 ARCH] GPU HANG: DMAR: DRHD: handling fault status reg 3 (arch reverted the use of intel_iommu=igfx_off)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Oct 15 16:34:05 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=103076
--- Comment #27 from Carsten Mattner <carstenmattner at gmail.com> ---
(In reply to Carsten Mattner from comment #25)
> Been trying to provoke it under two different Wayland compositors for
> several hours (same workload as yesterday), and it seems much harder to
> trigger there (same drm-tip kernel).
After Wayland taking too long to trigger, exited and entered Xorg.
Didn't take long before I hit
workqueue: PF_MEMALLOC task 41(khugepaged) is flushing !WQ_MEM_RECLAIM
i915-userptr-release: (NULL)
I suppose if I continue this session, it will repeat last nights events
and finally RCS0 hang and reset the GPU. This looks like a pattern to me.
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