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[Bug 1561729] Re: [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe A FIFO underrun


Hi Thomas, i think you are right.

i build kernel 4.4.0-10 and running it right now. if the bug did not
appear by end of day i will try bisec up to 4.4.0-16 wich does not
worked for me.

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  [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe
  A FIFO underrun

Status in linux package in Ubuntu:

Bug description:
  Hey Guys,

  i am encountering some random screen flickering after i launched
  google-chrome. this persists even after closing chrome. it is like the
  screen wents black for a fracture of a second.

  when it happens dmesg reports:
  [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe
  A FIFO underrun

  I am currently on Ubuntu 1604 Daily:

  Description:	Ubuntu Xenial Xerus (development branch)
  Release:	16.04

  PS: It is a Dell XPS 13 9530 with no external display attached.
  The internal display is an FHD one

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