Given that you have a "Richland" APU, this might be fixed by the BAPM (Balanced Average Power Management) support which has been added to the upstream 3.16 kernel.
A PPA of the 3.16-rc4 kernel can be found at http://kernel.ubuntu.com /~kernel-ppa/mainline/ and instructions on how to install and uninstall it are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1330325 Title: Desktop hung To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1330325/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
