[Bug 96226] [IGT] [BXT-P/KBL] 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 #2 from maria guadalupe <maria.g.perez.ibarra at intel.com> ---
The following test cases causes the same dmesg error on KBL platform

Tests cases
===============================================
igt at kms_flip@2x-plain-flip-ts-check-interruptible
igt at kms_flip@2x-flip-vs-expired-vblank-interruptible
igt at kms_flip@busy-flip-interruptible
igt at kms_flip@2x-modeset-vs-vblank-race-interruptible
igt at kms_flip@2x-busy-flip
igt at kms_flip@plain-flip-fb-recreate-interruptible
igt at kms_flip@flip-vs-wf_vblank-interruptible
igt at kms_flip@2x-flip-vs-absolute-wf_vblank-interruptible
igt at kms_flip@2x-flip-vs-expired-vblank
igt at kms_flip@basic-flip-vs-wf_vblank
igt at kms_flip@2x-flip-vs-blocking-wf-vblank
igt at kms_flip@2x-plain-flip-fb-recreate-interruptible
igt at kms_flip@2x-flip-vs-wf_vblank-interruptible
igt at kms_flip@busy-flip
igt at kms_flip@2x-plain-flip-fb-recreate
igt at kms_flip@plain-flip-fb-recreate
igt at kms_flip@2x-flip-vs-wf_vblank
igt at kms_flip@2x-busy-flip-interruptible
igt at kms_flip@2x-plain-flip-ts-check
igt at kms_flip@2x-flip-vs-absolute-wf_vblank


Gfx stack information
===============================================
--> Component : drm 
                 tag : libdrm-2.4.68-4-g7aab852 
                 commit : 7aab852 
 --> Component : mesa 
                 tag : mesa-11.1.2 
                 commit : 7bcd827 
 --> Component : cairo 
                 tag : 1.15.2 
                 commit : db8a7f1 
 --> Component : intel-gpu-tools
                tag : intel-gpu-tools-1.14-346-gcce2ff0
                commit : cce2ff0


Software information
============================

Kernel version                      : 4.6.0-nightly+
Linux distribution                  : Ubuntu 15.10
Architecture                        : 64-bit
Bios revision                       : 28.1
KSC revision                        : 1.15


Hardware information 
=============================

Platform                            : SKL-Y to KBL (RVP3)
Motherboard model                   : Kabylake Client platform
Motherboard type                    : Skylake Y LPDDR3 RVP3 Laptop
Motherboard manufacturer            : Intel Corporation
CPU family                          : Other
CPU information                     : Genuine Intel(R) CPU 0000 @ 0.90GHz
GPU Card                            : Intel Corporation Device 591e (prog-if 00
[VGA controller])


|=== kernel information ===|

commit 2ec823981d62c56d1511bda42b8295e31ece800f
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Sun May 22 18:23:13 2016 +0200

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