[Bug 96226] [IGT] [BXT-P/KBL/SKL] some pm_rpm / kms_flip subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96226

--- Comment #11 from Rami <ramix.ben.hassine at intel.com> ---
Created attachment 126664
  --> https://bugs.freedesktop.org/attachment.cgi?id=126664&action=edit
dmesg

The FIFO underrun error is not reproduced with last setup but we have another
error with last setup:

Setup:
======
Hardware
Platform: 
CPU :  Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (family: 6, model: 94  stepping:
3)
Software 
Linux OS : Ubuntu 16.10 64 bits
Kernel: drm-intel-nightly: 2016y-09m-19d-20h-40m-51s UTC integration manifest
        author: Daniel Vetter <daniel.vetter at ffwll.ch>
        commit: 4c518aef024daa0223692124baa2d7399f54dd97
drm: libdrm-2.4.70-14-g0659558 from http://cgit.freedesktop.org/mesa/drm/
xorg-server-1.18.99.2 from git://git.freedesktop.org/git/xorg/xserver
mesa:  mesa-12.0.0  78b061 from http://cgit.freedesktop.org/mesa/mesa/
cairo: tag 1.15.2 db8a7f1 from http://cgit.freedesktop.org/cairo
libva: libva-1.7.0-50-g7aa2dd9 from http://cgit.freedesktop.org/libva/
vaapi-intel-driver: 1.7.0-136-g36fbd81 from
http://cgit.freedesktop.org/vaapi/intel-driver
intel-gpu-tool: intel-gpu-tools-1.16-22-g200237a

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