[Bug 93298] Screen flickers during rapid keyboard typing within an xterm.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93298

--- Comment #1 from William <fishpool at tesco.net> ---
Update - have retested with 4.4-rc5 and get similar results to other 4.4-rc's.

Also have checked the logs more carefully and noted a pair of error messages
(always a pair) on xstartup with 4.4-rc1 through to rc5 (the ones with the
flicker problem).

The messages are absent on kernels up to and including 4.3.2.

In /var/log/syslog using 4.4-rc5 at X startup got :-

Dec 14 11:55:08 localhost kernel: [drm:ironlake_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
Dec 14 11:55:08 localhost kernel: [drm:ironlake_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun

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