On 09/21/2016 09:05 AM, Dusty Mabe wrote: > > > 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 > This happened to me again today so I decided to grab the latest F25 kernel to see if that causes the problem to go away. kernel-4.8.0-0.rc6.git0.1.fc25.x86_64 _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
