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<body><span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [snb dp hotplug] Pipe B, PCH transcoder B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70254">bug 70254</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>ASSIGNED
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<td style="text-align:right;">Assignee</td>
<td>intel-gfx-bugs@lists.freedesktop.org
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<td>ville.syrjala@linux.intel.com
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [snb dp hotplug] Pipe B, PCH transcoder B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70254#c27">Comment # 27</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [snb dp hotplug] Pipe B, PCH transcoder B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70254">bug 70254</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>Hmm. The register dumps look perfectly fine. So the BIOS provided memory
latency values being too low to keep the system happy remains my only theory.
Any chance there might be a BIOS update available for the machine? That might
be worth a shot, although I can't guarantee that any update would affect the
latency values.
In any case, I'll need to cook up some patches to allow run-time modification
of the latency values, so that we can try and see if increasing them would
actually help...</pre>
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