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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 - [IGT][SKL] Failed to enable DP link training on resume when testing with Chamelium"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101815">101815</a>
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<th>Summary</th>
<td>[IGT][SKL] Failed to enable DP link training on resume when testing with Chamelium
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
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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>paul.kocialkowski@linux.intel.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=132728" name="attach_132728" title="dmesg from 20170717 drm-tip">attachment 132728</a> <a href="attachment.cgi?id=132728&action=edit" title="dmesg from 20170717 drm-tip">[details]</a></span>
dmesg from 20170717 drm-tip
i915 fails to perform link training on resume with a Chamelium attached to the
DP connector. This is triggered by launching one of the DP suspend/resume IGT
chamelium tests such as dp-hpd-after-suspend or dp-edid-change-during-suspend.
The error appears to be: dp_aux_ch timeout status 0x7d4003ff (full dmesg from
today's drm-tip is attached).
Information about the setup:
* Kernel: drm-tip 0ea81ff8a340aa1f2bc863f4c8e631542e47c98e
* Distro: Arch Linux (NOT using the distro's kernel)
* CPU: i5-6600K
Ironically, it makes the IGT test pass because a hotplug uevent is generated
because of link training failure.</pre>
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</p>
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