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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 - [HSW ] test S3 with 3pipe cause *ERROR*"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90046">90046</a>
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<tr>
<th>Summary</th>
<td>[HSW ] test S3 with 3pipe cause *ERROR*
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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>
<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>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>bin.a.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>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=115106" name="attach_115106" title="dmesg">attachment 115106</a> <a href="attachment.cgi?id=115106&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Not sure.I can not find a good commit.
Non-working platforms: Hasswell.
==kernel==
--------------------------
-nightly: 044307a99b418258ac0d775460d73b20b80277c1 (fails)
drm-intel-nightly: 2015y-04m-09d-15h-11m-30s UTC integration manifest
-queued: 47b26b288ce8cb3e1348f83b2193851bafb6a957 (fails )
drm/i915: Remove vestigal DRI1 ring quiescing code
-fixes: 5df0582bf036bb5f9a8ad8db5884fe13a55347d1 (fails)
drm/i915/vlv: remove wait for previous GFX clk disable request
==Bug detailed description==
-----------------------------
test S3 with 3pipe cause *ERROR*
Output:
[root@x-hswm24 ~]# dmesg | grep ERROR
[ 2.275176] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 2.275204] [drm:cpt_irq_handler [i915]] *ERROR* PCH transcoder A FIFO
underrun
[ 2.288750] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
uncleared fifo underrun on pipe B
[ 2.288780] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe B FIFO
underrun
==Reproduce steps==
----------------------------
1. Connect 3 monitors
2. echo mem > /sys/power/state</pre>
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