After a flickering occurs the following message appears on the Log:
i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun kernel device: +pci:0000:00:02.0 priority: 3
After a flickering occurs the following message appears on the Log:
i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun
kernel device: +pci:0000:00:02.0
priority: 3