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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Sony Vaio Z2 laptop; attempt to use external HDMI monitor gives pipe A stuck"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92659">92659</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Sony Vaio Z2 laptop; attempt to use external HDMI monitor gives pipe A stuck
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>XOrg git
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</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>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>john@calva.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>
<p>
<div>
<pre>With kernel 4.2.3 attempting to set an external HDMI monitor as the primary
screen in Gnome (function/F7 or from tools menu) moves the display to the
external monitor but gnome stops responding.
dmesg shows:
[ 1289.604921] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.613146] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.621230] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.629174] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.637050] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.644877] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.652712] [drm:intel_dp_start_link_train [i915]] *ERROR* too many full
retries, give up
[ 1289.652894] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to
train DP, aborting
[ 1289.684550] [drm:__intel_set_mode [i915]] *ERROR* mode set failed: pipe A
stuck</pre>
</div>
</p>
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