Comment 54 for bug 1550779

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Caige Nichols (caiges) wrote : Re: [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches

I'm seeing this behavior on my Thinkpad x260:

[123678.466040] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[123742.876516] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=214815 end=214816) time 150 us, min 1073, max 1079, scanline start 1070, end 1080

$ uname -a
Linux flartchops 4.8.0-26-generic #28-Ubuntu SMP Tue Oct 18 14:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux