Ubuntu
linux package

  1. Bug #1550779
  2. Comment #108

Comment 108 for bug 1550779

Revision history for this message
vinibali (vinibali) wrote : Re: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

i915.enable_dp_mst=0 seems to disable one of the external monitors.
$ modinfo i915 | grep enable_dp_mst
parm: enable_dp_mst:Enable multi-stream transport (MST) for new DisplayPort sinks. (default: true) (bool)