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<body><span class="vcard"><a class="email" href="mailto:jason@jasonantman.com" title="Jason Antman <jason@jasonantman.com>"> <span class="fn">Jason Antman</span></a>
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<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93055">bug 93055</a>
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<td>jason@jasonantman.com
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93055#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93055">bug 93055</a>
from <span class="vcard"><a class="email" href="mailto:jason@jasonantman.com" title="Jason Antman <jason@jasonantman.com>"> <span class="fn">Jason Antman</span></a>
</span></b>
<pre>I'm seeing this same issue on my ArchLinux machine. I upgraded to Arch's latest
packages, including linux-4.3.3-3 and
xf86-video-intel-1:2.99.917+519+g8229390-1 and immediately saw corruption on my
second monitor, connected via HDMI (see "display corruption example"
attachment), which I'd never seen before on this system. Downgrading back to
linux-4.2.5-1 and xf86-video-intel-1:2.99.917+478+gdf72bc5-3 resolved the
problem.
Hardware:
Gigabyte GA-Z77-D3H rev 1.2, BIOS FA (rev 4.6) (latest non-beta), Intel Z77
Express chipset
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen
Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Error:
[ 68.374990] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder B
[ 68.374999] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder B FIFO underrun
More detailed description: <a href="https://bugs.archlinux.org/task/47937">https://bugs.archlinux.org/task/47937</a></pre>
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