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. ** Attachment added: "error messages from dmesg" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1367870/+attachment/4359900/+files/dmesg.log ** Changed in: xorg (Ubuntu) Status: Invalid => New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1367870 Title: Ubuntu 14.04 system with Radeon HD 6330M hangs regularly, especially when using Google Chrome To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1367870/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
