My Dell XPS 13 9350 laptop just got a buffer underrun: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
I'm seeing this very occasionally, and they don't come in groups -- I seem to get one underrun with a black flash and that's it. This is with just the laptop screen -- nothing at all is plugged in to the USB-C port. 4.8-rc4 has the latest round of fixes applied, so i915/skl_dmc_ver1_26.bin loaded successfully and the SAGV fix is there. I had the same problem on 4.8-rc3. 4.7 seemed okay. I have: 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07) --Andy
