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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]Piglit spec_EXT_texture_array_copyteximage_1D_ARRAY_samples=2 sporadically sporadically causes GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89493">89493</a>
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<th>Summary</th>
<td>[SKL]Piglit spec_EXT_texture_array_copyteximage_1D_ARRAY_samples=2 sporadically sporadically causes GPU hang
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>huax.lu@intel.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=114141" name="attach_114141" title="dmesg">attachment 114141</a> <a href="attachment.cgi?id=114141&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, it always has gpu hang issue on SKL, reported <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [SKL]Piglit spec_EXT_texture_array_copyteximage_1D_ARRAY_samples=2 sporadically causes GPU hang"
href="show_bug.cgi?id=89037">bug 89037</a>
no-working platforms: SKL
==kernel==
--------------------------
drm-intel-nightly/c2f6e584b215dd0d7e5a8a02716a89e985366ec0
commit c2f6e584b215dd0d7e5a8a02716a89e985366ec0
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Fri Mar 6 18:30:27 2015 +0100
drm-intel-nightly: 2015y-03m-06d-17h-29m-53s UTC integration manifest
==Bug detailed description==
-----------------------------
Run this case 20 cycles, it causes GPU hang.
root@x-skly05:/home/lh# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[ 46.724398] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer
elapsed... blitter ring idle
<3>[ 48.589274] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO
underrun
Reproduce steps:
-------------------------
1. xinit
2. bin/copyteximage 1D_ARRAY -samples=2 -auto</pre>
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