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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT]igt/pm_rpm/i2c sporadically fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87481">87481</a>
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<th>Summary</th>
<td>[BYT]igt/pm_rpm/i2c sporadically fails
</td>
</tr>
<tr>
<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>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<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>
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<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=111031" name="attach_111031" title="dmesg">attachment 111031</a> <a href="attachment.cgi?id=111031&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BYT
==kernel==
--------------------------
drm-intel-nightly/1eaf0ed4ec4f11915ff6a85abd910d753d28f5f4
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Thu Dec 18 23:01:25 2014 +0100
drm-intel-nightly: 2014y-12m-18d-22h-00m-57s UTC integration manifest
==Bug detailed description==
-----------------------------
Run 3 times, it fails one in 3 runs.
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rpm
--run-su
btest i2c
IGT-Version: 1.9-g6999b70 (x86_64) (Linux:
3.18.0_drm-intel-nightly_1eaf0e_20141
219+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
Test assertion failure function test_i2c, file pm_rpm.c:644:
Failed assertion: i2c_edids == drm_edids
Last errno: 6, No such device or address
error: 1 != 2
Subtest i2c: FAIL (1.605s)
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rpm
--run-subtest i2c
IGT-Version: 1.9-g6999b70 (x86_64) (Linux:
3.18.0_drm-intel-nightly_1eaf0e_20141219+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
Subtest i2c: SUCCESS (4.903s)
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rpm
--run-subtest i2c
IGT-Version: 1.9-g6999b70 (x86_64) (Linux:
3.18.0_drm-intel-nightly_1eaf0e_20141219+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
Subtest i2c: SUCCESS (4.899s)
==Reproduce steps==
----------------------------
1. ./pm_rpm --run-subtest i2c</pre>
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