On 09/21/2016 08:41 AM, Dusty Mabe wrote: > > > 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. > I think this commit is probably the one that you were referring to: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f403372 _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
