[Bug 98994] [BDW] : [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98994

--- Comment #21 from Andre Robatino <robatino at fedoraproject.org> ---
(In reply to Ville Syrjala from comment #20)
> (In reply to Andre Robatino from comment #17)
> > Still happening on Fedora 25 with the 4.11.3-200.fc25.x86_64 kernel.
> 
> (In reply to Maxqia from comment #18)
> > Happening for me on drm-tip, used to cause black screens for a few seconds,
> > now it's causing some weird horizontal scrolling effect.
> 
> Do you have a Broadwell as well, or some other hardware? If not BDW, then
> please file a separate bug for it and attach the dmesg with drm.debug=0xe.

OpenGL renderer string: Mesa DRI Intel(R) Q45/Q43

I've rebooted with drm.debug=0xe, but there's a lot of output and dmesg appears
to have a relatively small buffer, so I'm not sure if I'll be able to catch the
error even if it happens. If I can, I'll file a separate bug.

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