On 09/20/2016 07:22 PM, Andrew Lutomirski wrote: > On Sep 20, 2016 7:31 AM, "Dusty Mabe" <dusty@xxxxxxxxxxxxx <mailto:dusty@xxxxxxxxxxxxx>> wrote: >> >> >> Several times over the past month my t460s has just blank screens >> when I come back to it after some time. I don't know if the thing >> froze up completely or if it is just the display not working. I lock >> my screens (laptop + 2 external monitors) and then leave for an hour >> or so. When I come back no attempt at input will get the lockscreen >> to appear. I have to power down and then back up. >> >> After boot I look at the journal and I always tend to see some of >> these: >> >> [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun > > Sadly, i915 has had issues on and off with Skylake. :( > >> [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe C (start=167156 end=167157) time 146 us, min 1073, max 1079, scanline start 1072, end 1082 > > This smells like a bug that was fixed in the 4.8 series a bit late IIRC. Search for i915 SAGV. Ok, I'll browse through the commit log. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
