[Bug 97172] [KBL] [IGT Basic] kms_psr_sink_crc/psr_basic produces a Segmentation fault (core dumped)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97172

--- Comment #6 from cprigent <christophe.prigent at intel.com> ---
Created attachment 126479
  --> https://bugs.freedesktop.org/attachment.cgi?id=126479&action=edit
kbl-4.8rc5-kms_psr_sink__crc_psr_basic-output

(In reply to Rodrigo Vivi from comment #4)
> Is the segmentation fault happening always or sporadic?
Tested 10 times, it is 100% reproduced with:

Platform: KABY LAKE-U
Processor : Genuine Intel(R) CPU 0000 @ 1.80GHz (cpu family: 6, model: 142,
stepping: 9)
MCP : KBL-U J0 2+3e
QDF : QL9J
PCH: PCH-LP C1
CRB : KABY LAKE U DDR3L RVP7
Rework: O-16

Software
BIOS: 45.1 3KBLSE2R1.R00.X045.P01.1606291634 from
https://ubit-artifactory-ba.intel.com/artifactory/owr-repos/Submissions/ifwi/KBL_ORANGE_IFWI_2016_WW27_3_03_SR'17/
ME FW: 11.6.0.1065
EC FW: 1.24
KSC: 1.24
Linux distribution: Ubuntu 16.04 64 bits
Kernel: 4.8.0-rc5 bef9c1f from http://cgit.freedesktop.org/drm-intel/
  commit bef9c1f4afe24cfff578d386bde349add65673eb
  Author: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
  Date:   Mon Sep 12 11:35:34 2016 +0300
  drm-intel-nightly: 2016y-09m-12d-08h-35m-02s UTC integration manifest
libdrm-2.4.70-12 2d00869 from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-11.2.2 3a9f628 from git://anongit.freedesktop.org/mesa/mesa
cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
xorg-server-1.18.0-549 527c6ba from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-703 15c5ff1 from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
libva-1.7.0-47 2ebf897 from git://git.freedesktop.org/git/vaapi/libva 
vaapi-intel-driver: 1.7.0-117 8c11f51 from
git://git.freedesktop.org/git/vaapi/intel-driver
Intel-Gpu-Tools 1.16 f565b6c from
http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git

External screen: DP: ASUS PB238Q

> Does Mika patch helps with the segmentation fault?
> 
> However even with Mika patch this test will fail anyway because it is
> blocked by a restriction that I don't believe it is correct. So please use
> the revert patch attached and then try to reproduce the segmentation fault
> again. In that case check if Mika patch helps with segmentation fault.

I applied the patch, I still reproduce the segmentation fault.
Same DUT with:
Kernel: 4.8.0-rc5 bef9c1f from http://cgit.freedesktop.org/drm-intel/
  commit 483a616213651ee738b0745f8bcfe4b0154b307a
  Author: Rodrigo Vivi <rodrigo.vivi at intel.com>
  Date:   Mon Sep 12 22:08:14 2016 -0700
  drm-intel-nightly: 2016y-09m-13d-05h-07m-55s UTC integration manifest
  with https://bugs.freedesktop.org/attachment.cgi?id=126178 applied

--- Comment #7 from cprigent <christophe.prigent at intel.com> ---
Created attachment 126480
  --> https://bugs.freedesktop.org/attachment.cgi?id=126480&action=edit
kbl-4.8rc5-kms_psr_sink__crc_psr_basic-kern.log

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