Both fglrx and radeon support dynamic power management so this does not likely have anything to do with power management. It looks like a plain old GPU hang. I'd suggest updating your mesa stack in the case of the open source driver.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/881526 Title: AMD graphics hardware hangs with an homogeneous coloured screen or blank screen, and with chirp coming from the graphics card To manage notifications about this bug go to: https://bugs.launchpad.net/mesa/+bug/881526/+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
