kernel-packages team mailing list archive

[Daniel Basten <axhm3a@xxxxxxxxx>]

ADDITION:

This happens randomly, sometimes i can work for hours, sometimes it flickers just after login.
I am not sure what the trigger condition is.

** Summary changed:

- Screen flickering on i915_bpo
+ [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe A FIFO underrun

** Description changed:

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

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https://bugs.launchpad.net/bugs/1561729

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

Status in linux package in Ubuntu:
  Confirmed

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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