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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB/SNB/BYT/HSW/BDW] GuC boot kernel command lines are causing regressions"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97573">97573</a>
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<tr>
<th>Summary</th>
<td>[IVB/SNB/BYT/HSW/BDW] GuC boot kernel command lines are causing regressions
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>christophe.prigent@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=126168" name="attach_126168" title="IVB_igt-basic_guc-commands_kern.log">attachment 126168</a> <a href="attachment.cgi?id=126168&action=edit" title="IVB_igt-basic_guc-commands_kern.log">[details]</a></span>
IVB_igt-basic_guc-commands_kern.log
Platform: IVB
CPU: Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (Family 6, Model 58, Stepping 9)
Motherboard version: DH77EB
GPU: Intel® HD Graphics 4000 - Xeon E3-1200 v2/3rd Gen Core processor Graphics
Controller
Software
Bios: BH7710H.86A.0096.2012.1012.1645
Linux distribution: Ubuntu 16.04 64 bits
Kernel: 4.8.0-rc4 f4f46e5 from <a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>
commit f4f46e5544894b2198cdfd5a226ee587d9834cc4}}
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Mon Aug 29 16:09:42 2016 +0200
drm-intel-nightly: 2016y-08m-29d-14h-09m-23s UTC integration manifest
ibdrm-2.4.70-2 b214b05 from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-11.2.2 3a9f628from git://anongit.freedesktop.org/mesa/mesa
cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
xorg-server-1.18.0-535 25e4f9e from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-698 71d3273 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: 1.7.0-95 1817bee from
git://git.freedesktop.org/git/vaapi/intel-driver
Intel-Gpu-Tools 1.15 572a770 from
<a href="http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git">http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git</a>
External screen: DELL U2311Hb
Steps:
------
1. Boot with kernel boot command lines:
i915.enable_guc_loading=2 i915.enable_guc_submission=2
2. Execute some IGT tests
Actual results:
---------------
2. Trying to load GuC is causing 69 regressions on the basic IGT tests
Expected result:
---------------
2. Trying to load GuC has no impact</pre>
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