Ubuntu
linux package

  1. Bug #1727662
  2. Comment #51

Comment 51 for bug 1727662

Revision history for this message
Joel (jah1809) wrote : Re: [Lenovo ThinkPad T450s] Issues after docking and locking: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

I primarily observe this issue when manually turning on my monitor after unlock, after it fails to autowake. The problem appears to occur at Apr 11 09:08:41 in the attached kern.log.

Running on Ubuntu 16.04

/proc/version:
Linux version 4.13.0-36-generic (buildd@lgw01-amd64-033) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.9)) #40~16.04.1-Ubuntu SMP Fri Feb 16 23:25:58 UTC 2018

/proc/cpuinfo attached