I have had this problem for years and it is the sole reason I had used the proprietary ATI driver.
Unfortunately new versions of the ATI drivers don't support my card anymore (Radeon HD 4670) so I am kind of waiting for a fix on the open source driver side ... If you don't want to trouble yourself too much I guess there are two options. One is to use an older linux distro such as Ubuntu 12.04 or Debian 6 (CentOS 6 might fit as well). Another take is to go for something quite up-to-date such as Arch linux (help, wiki are great there) and hope for a fix to be released soon ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1080350 Title: CPU Overheating with ATI driver Radeon HD Mobility graphics To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/1080350/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs