<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW regression] PCH transcoder A FIFO underrun while hot-plug VGA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86233">86233</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW regression] PCH transcoder A FIFO underrun while hot-plug VGA
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisect_pending
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<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>li.l.xu@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>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=109385" name="attach_109385" title="dmesg">attachment 109385</a> <a href="attachment.cgi?id=109385&action=edit" title="dmesg">[details]</a></span>
dmesg
Environment:
--------------------------
Platform: Haswell
Kernel: (drm-intel-nightly) 2014_11_13 22ba72f728eaf30e63ded0c0bb0484b4bc6f92d4
Bug detailed description:
-----------------------------
When boot up ,and then plug in VGA ,error messages show as follows:
*ERROR* uncleared pch fifo underrun on pch transcoder A
*ERROR* PCH transcoder A FIFO underrun
*ERROR* uncleared fifo underrun on pipe B
*ERROR* CPU pipe B FIFO underrun
Steps:
---------------------------
Boot up
plug in VGA</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>