[Bug 86092] [HSW/BDW]igt/kms_plane sporadically causes WARNING: at drivers/gpu/drm/i915/intel_uncore.c:705 hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86092

--- Comment #2 from lu hua <huax.lu at intel.com> ---
Created attachment 109927
  --> https://bugs.freedesktop.org/attachment.cgi?id=109927&action=edit
dmesg with i915.mmio_debug=1

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