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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94605#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94605">bug 94605</a>
from <span class="vcard"><a class="email" href="mailto:anomaly256@gmail.com" title="anomaly256@gmail.com">anomaly256@gmail.com</a>
</span></b>
<pre>Flickering and screen artefacts abound with the current nightly.
Instead of perpetually shooting in the dark and hoping a nightly eventually
magically makes this go away, can you tell us what info you need to get this
fixed? I'm not seeing any errors in dmesg at all but the flickering and
glitching persists. Somehow the gpu is trying to drive a refresh rate of
59.95hz instead of 60hz.</pre>
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