[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 #5 from lu hua <huax.lu at intel.com> ---
Created attachment 109977
  --> https://bugs.freedesktop.org/attachment.cgi?id=109977&action=edit
dmesg with patch

(In reply to Daniel Vetter from comment #4)
> Kernel patch was buggy, please use this one instead:
> 
> http://patchwork.freedesktop.org/patch/37468/
> 
> And still also apply the igt patch:
> http://patchwork.freedesktop.org/patch/37388/

Apply these 2 patches, run 5 cycles, it works well.

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