Thanks Joseph.
Yes the issue starts happening after I upgrade from 15.10 to 16.04. It
was fine in 15.10, and if I remembered it correctly, the kernel number
was 4.3.
I tested on the upstream kernel and the issue is fixed in v4.6-rc6.
Cheers
** Tags added: kernel-fixed-upstream
** Changed in: l
Public bug reported:
Screen flickers after upgrade to 16.04 from 15.10 on Dell XPS13 9350.
Flickers frequently on mid-range brightness, better on high and low
range brightness.
Tried to turn off tlp but doesn't help
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-21-gen
