Could you try this: As root create empty file "pcie_aspm" with execute bit disabled in /etc/pm/power.d folder.
This will prevent the PCIE lanes from entering into power-saving mode which is implemented in the kernel but probably not fully tested. It helped me - see bug #660746. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. https://bugs.launchpad.net/bugs/662998 Title: System freezes when running on battery _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
