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
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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
