this explains:
https://bugzilla.kernel.org/show_bug.cgi?id=109051
** Bug watch added: Linux Kernel Bug Tracker #109051
http://bugzilla.kernel.org/show_bug.cgi?id=109051
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.
Public bug reported:
when i surfing on the web (with chrome) or reading pdf or watching
videos on youtube, system freezes randomly. also when i shut down or
restart the computer system can't power off.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-34-generic 4.2.0-34.39~