[Bug 108326] [BXT] BUG / system hang when reading i915 debugfs entries with VT-d/IOMMU enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108326

--- Comment #2 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Chris Wilson from comment #1)
> https://patchwork.freedesktop.org/series/34969/

Against which drm-tip commit I should apply this?

Current tip gives this on our build server:
------------------------------------
patching file drivers/gpu/drm/i915/i915_drv.h
Hunk #1 FAILED at 3990.
Hunk #2 FAILED at 4002.
2 out of 2 hunks FAILED -- saving rejects to file
drivers/gpu/drm/i915/i915_drv.h.rej
patching file drivers/gpu/drm/i915/i915_gem_gtt.c
Hunk #1 FAILED at 3373.
1 out of 1 hunk FAILED -- saving rejects to file
drivers/gpu/drm/i915/i915_gem_gtt.c.rej
patching file drivers/gpu/drm/i915/i915_gpu_error.c
Hunk #1 succeeded at 648 (offset 15 lines).
Hunk #2 succeeded at 1870 with fuzz 1 (offset 48 lines).
Hunk #3 succeeded at 1926 (offset 48 lines).
------------------------------------

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