[Bug 97978] [SKL] GuC 6.1 enabled is causing timeout on IGT basic set

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97978

--- Comment #4 from cprigent <christophe.prigent at intel.com> ---
Created attachment 126891
  --> https://bugs.freedesktop.org/attachment.cgi?id=126891&action=edit
SKL_IGT-basic-resulsts_with-and-without-guc-submission.xls

I'm also reproducing it while executing IGT Basic tests on SKL:

With kernel boot command lines:  i915.enable_guc_loading=2
i915.enable_guc_submission=2
Timeout: 96
Pass: 118
Dmesg-warn: 8
Skip: 22
Duration: 58317.4993

With kernel boot command lines:  i915.enable_guc_loading=2
i915.enable_guc_submission=0
Timeout: 0
Pass: 172
Dmesg-warn: 16
Skip: 56
Duration: 556.0889204

Platform SKL Gigabyte
CPU: Intel(R) Core(TM) i5-6600 CPU @ 3.30GHz (family 6, model 94, stepping 3)
GPU: Intel® HD Graphics 530 - Intel Corporation Sky Lake Integrated Graphics
(rev 06)
Motherboard version: H170N-WIFI-CF
Memory: 2x 4GB Kingston 9905622-055.A00G

Software
Bios: F3
Linux distribution: Ubuntu 16.04 64 bits
Kernel: 4.8.0-rc8 aab15c2 from http://cgit.freedesktop.org/drm-intel/
   commit aab15c274da587bcab19376d2caa9d6626440335
   Author: Jani Nikula <jani.nikula at intel.com>
   Date:   Mon Sep 26 15:11:53 2016 +0300
   drm-intel-nightly: 2016y-09m-26d-12h-11m-33s UTC integration manifest
libdrm-2.4.70-14 0659558 from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-12.0.0 8b06176 from git://anongit.freedesktop.org/mesa/mesa
cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
xorg-server-1.18.99.901-14 ba199cb from
git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-708 8f33f80 from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
libva-1.7.2-38 3b7e499 from git://git.freedesktop.org/git/vaapi/libva 
vaapi-intel-driver: 1.7.2-101 302cf63 from
git://git.freedesktop.org/git/vaapi/intel-driver
IGT: intel-gpu-tools-1.16-30 32b2021 from
http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git
DMC 1.26 from
https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2
GUC 6.1 from
https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2

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