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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB/HSW/BYT-M Bisected]GPU Hang when running some cases"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83702">83702</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB/HSW/BYT-M Bisected]GPU Hang when running some cases
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jianx.zhou@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Platform:IVB/HSW/BYT-M
Libdrm:(master)libdrm-2.4.56-21-g8c2ae1695913990cbe6c6a8aa294f354eba33bd0
Mesa:(master)4ea1565bbc49df79d4c39ba5491b0a83c2679a05
Xserver:(master)xorg-server-1.16.0-152-g3a51418b2db353519a1779cf3cebbcc9afba2520
Xf86_video_intel:(master)2.99.916-2-ge0f7e9fc2f0b39b9e939ff48edea29950f125420
Cairo:(master)8e11a42e3e9b679dce97ac45cd8b47322536a253
Libva:(master)e0d25ece01e7aba819c910e98c4fb4706cdab055
Libva_intel_driver:(master)b18479e4fdd7af7cf2840542ef19dbe9114fdeaf
Kernel:(drm-intel-nightly)4a3d32734bdcef6813b31f06a58430436e98711e
Bug detailed description
------------------------------------------------
GPU Hang when running some cases on IVB/HSW/BYT-M,this issue doesn't exist on
BDW.
BTW,This issue fail rate is low on IVB/BYT-M.
Detail info you can see hsw_dmesg.log and hsw_gpuhang_output.log and Xorg.0.log
It's kernel(drm-intel-next-queued) regression,this issue also exist on
drm-intel-nightly branch,bisected the result show first bad commit:
commit 1ed26b0b84dab119de93723ad646229db748842d
Author: Michel Thierry <<a href="mailto:michel.thierry@intel.com">michel.thierry@intel.com</a>>
AuthorDate: Fri Sep 5 14:13:16 2014 +0100
Commit: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
CommitDate: Mon Sep 8 09:42:19 2014 +0200
drm/i915: Enable full PPGTT on gen7
Reproduced step:
---------------------------------------------
1. xinit&
2. vblank_mode=0 ./doom.x86 +exec doom3-pts.cfg +set sys_VideoRam 64 +set
r_mode -1 +timedemoquit demo1 +set r_customWidth 1920 +set r_customHeight 1080
+set com_machineSpec 1</pre>
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