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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 - [IVB/BYT]igt/gem_ctx_thrash/threads sporadically takes more than 10 minutes"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87575">87575</a>
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<tr>
<th>Summary</th>
<td>[IVB/BYT]igt/gem_ctx_thrash/threads sporadically takes more than 10 minutes
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<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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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=111143" name="attach_111143" title="dmesg">attachment 111143</a> <a href="attachment.cgi?id=111143&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: no, new case
Non-working platforms: IVB/BYT
==kernel==
--------------------------
drm-intel-nightly/4fa23142a15526f4a4b5df61f26eacdd558a849a
commit 4fa23142a15526f4a4b5df61f26eacdd558a849a
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Fri Dec 19 15:33:33 2014 +0100
drm-intel-nightly: 2014y-12m-19d-14h-33m-07s UTC integration manifest
==Bug detailed description==
-----------------------------
It sporadically takes more than 10 minutes, It happens 1 in 3 runs.
output:
[root@x-ivb9 tests]# time ./gem_ctx_thrash --run-subtest threads
IGT-Version: 1.9-gc537cdb (x86_64) (Linux:
3.18.0_drm-intel-nightly_4fa231_20141
Creating 49152 contexts (assuming of size 65536)
Creating 3072 surfaces (of size 1048576)
Subtest threads: SUCCESS (512.432s)
real 8m32.463s
user 1m54.617s
sys 12m51.291s
[root@x-ivb9 tests]# time ./gem_ctx_thrash --run-subtest threads
IGT-Version: 1.9-gc537cdb (x86_64) (Linux:
3.18.0_drm-intel-nightly_4fa231_20141
Creating 49152 contexts (assuming of size 65536)
Creating 3072 surfaces (of size 1048576)
Subtest threads: SUCCESS (550.889s)
real 9m10.935s
user 1m55.664s
sys 13m47.713s
[root@x-ivb9 tests]# time ./gem_ctx_thrash --run-subtest threads
IGT-Version: 1.9-gc537cdb (x86_64) (Linux:
3.18.0_drm-intel-nightly_4fa231_20141222+ x86_64)
Creating 49152 contexts (assuming of size 65536)
Creating 3072 surfaces (of size 1048576)
Subtest threads: SUCCESS (616.115s)
real 10m16.133s
user 2m29.785s
sys 15m1.551s
==Reproduce steps==
----------------------------
1. time ./gem_ctx_thrash --run-subtest threads</pre>
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