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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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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 --- - [HSW]Piglit/spec_ARB_fragment_program_fp-indirections2 randomly causes *ERROR* Hangcheck timer elapsed... blitter ring idle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79240">79240</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>[HSW]Piglit/spec_ARB_fragment_program_fp-indirections2 randomly causes *ERROR* Hangcheck timer elapsed... blitter ring idle
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@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>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=99824" name="attach_99824" title="dmesg">attachment 99824</a> <a href="attachment.cgi?id=99824&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Ironlake
Libdrm:
(master)libdrm-2.4.54-9-g8fc62ca8ac010659023bb63c4759eb683de4f9af
Mesa: (master)c2c639ecf667b4b7cf17cfe33dfe710432f2c43a
Xserver:
(master)xorg-server-1.15.99.902-97-gdb2e708f31a162c6c66643d3559dd5f3e21ee06b
Xf86_video_intel:(master)2.99.911-206-g605fcd9050efc816ac8163e8d626f466d98261c2
Libva: (staging)35e70cb9b9c77dfb99fb370e319ed501f0c31b17
Libva_intel_driver:(staging)ca1acd54eb59eadabfb40a4b61df2e8968b5e00d
Kernel: (drm-intel-nightly)c37f30ddc2921eccbf0be87c7742b56fbde53a81
Bug detailed description:
-----------------------------
Run bin/fp-indirections2 -auto, It randomly causes <3>[ 223.918559]
[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... blitter ring
idle.
It happens 1 in 10 runs on Haswell with -fixes kernel. Run 10 cycles on -queued
kernel, it works well.
output:
Max TEX instructions / TEX indirections: 1024 / 1024
PIGLIT: {'result': 'pass' }
Reproduce steps:
----------------------------
1. xinit
2. bin/fp-indirections2 -auto</pre>
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