Comment 15 for bug 1367870

Please reopen the issue. because I have this problem on my laptop.
I can provide you with information needed to try to resolve this problem in AMD drivers.

AMD radeon HD3650 mobile graphics
Ubuntu 12.04.5
linux-generic-lts-trusty 3.13.0.48.42
libegl1-mesa-lts-trusty 10.1.3-0ubuntu0.2~precise2
linux-firmware 1.79.18
xserver-xorg-video-ati-lts-trusty 1:7.3.0-1ubuntu3.1~precise1

dmesg.log file has been attached, it contain error messages about this bug.