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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [IVB] boot error: *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89806#c23">Comment # 23</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [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:florent.thiery@ubicast.eu" title="Florent Thiéry <florent.thiery@ubicast.eu>"> <span class="fn">Florent Thiéry</span></a>
</span></b>
<pre>FWITW, still having this on i5-3570K (IVB) on mb Asustek P8H77-I with
4.8.4-1-ARCH x86_64 at each boot
linux 4.8.4
libdrm 2.4.71-1
oct. 23 14:40:56 mypc kernel: [drm:intel_set_cpu_fifo_underrun_reporting
[i915]] *ERROR* uncleared fifo underrun on pipe A
oct. 23 14:40:56 mypc kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe A FIFO underrun
oct. 23 14:40:56 mypc kernel: [drm:intel_set_pch_fifo_underrun_reporting
[i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
oct. 23 14:40:56 mypc kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]]
*ERROR* PCH transcoder A FIFO underrun</pre>
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