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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - display blacks for 2 seconds and dmesg says "*ERROR* CPU pipe B FIFO underrun""
href="https://bugs.freedesktop.org/show_bug.cgi?id=98607">98607</a>
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<th>Summary</th>
<td>display blacks for 2 seconds and dmesg says "*ERROR* CPU pipe B FIFO underrun"
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>major
</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
</td>
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<th>Reporter</th>
<td>jiri@resnulli.us
</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>
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<pre>Created <span class=""><a href="attachment.cgi?id=127796" name="attach_127796" title="dmesg with debug output">attachment 127796</a> <a href="attachment.cgi?id=127796&action=edit" title="dmesg with debug output">[details]</a></span>
dmesg with debug output
>From time to time (once every 2 hours), during the work (key press??), display
blacks for ~2seconds. After that, everything restores an is fine again.
Once that happens, dmesg says:
*ERROR* CPU pipe B FIFO underrun
Dmesg with debug output is attached.
Kernel:
4.8.4-200.fc24.x86_64
I tried to run intel-drm kernel but I was consistently getting "double free"
error during boot-up.</pre>
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