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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]gem_userptr_blits/coherency-sync takes more than 10 minutes"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89603">89603</a>
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<th>Summary</th>
<td>[SKL]gem_userptr_blits/coherency-sync takes more than 10 minutes
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
</tr>
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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>
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<th>Reporter</th>
<td>huax.lu@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=114374" name="attach_114374" title="dmesg">attachment 114374</a> <a href="attachment.cgi?id=114374&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, always fails on SKL
no-working platforms: SKL
==kernel==
--------------------------
drm-intel-nightly/4f7ab66fd78ed940a5fcfcaad7e9f1bf8b1abe76
commit 4f7ab66fd78ed940a5fcfcaad7e9f1bf8b1abe76
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Mon Mar 16 18:51:08 2015 +0100
drm-intel-nightly: 2015y-03m-16d-17h-50m-27s UTC integration manifest
==Bug detailed description==
-----------------------------
It always has this issue on SKL with drm-intel-nightly kernel.
gem_userptr_blits/coherency-unsync also has this issue.
output:
IGT-Version: 1.10-g505645c (x86_64) (Linux:
4.0.0-rc4_drm-intel-nightly_4f7ab6_20150317+ x86_64)
Aperture size is 4096 MiB
Total RAM is 3613 MiB
Not enough RAM to run test, reducing buffer count.
Testing unsynchronized mappings...
Received signal SIGTERM.
Testing synchronized mappings...
Using 2x2709 1MiB buffers
Verifying initialisation...
Cyclic blits cpu->gpu, forward...
Cyclic blits gpu->cpu, backward...
Random blits...
Subtest coherency-sync: SUCCESS (844.768s)
Received signal SIGTERM.
real 14m5.006s
user 0m10.787s
sys 0m58.486s
==Reproduce steps==
----------------------------
1. time ./gem_userptr_blits --run-subtest coherency-sync</pre>
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