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<body><span class="vcard"><a class="email" href="mailto:vmatarese@uptoit.org" title="vmatarese@uptoit.org">vmatarese@uptoit.org</a>
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<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [IVB] boot error: *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89806">bug 89806</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
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<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [IVB] boot error: *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89806#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [IVB] boot error: *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89806">bug 89806</a>
from <span class="vcard"><a class="email" href="mailto:vmatarese@uptoit.org" title="vmatarese@uptoit.org">vmatarese@uptoit.org</a>
</span></b>
<pre>Mageia 5 on a Sony Vaio SVE15 series
uname -r: 4.1.15-desktop-2.mga5
Card:Intel 810 and later: Intel Corporation|3rd Gen Core processor Graphics
Controller [DISPLAY_VGA]
At boot I see:
[drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo
underrun on pch transcoder A
[drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO
underrun
Graphical problems:
- Touchpad freezes on resume from sleep, requiring new login
- Screen flickers after a few minutes of inactivity, before screen energy
savings kicks in
(I didn't have the problems or errors on the same laptop running Mageia 4)
Thanks for any help!</pre>
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