I have apparently solved this suspend problem by using the kms option for the radeon driver.
Appending radeon.modeset=1 as a boot option gives me a running system that suspends fine as many times as I have so far tried. -- Karmic fails to suspend more than once https://bugs.launchpad.net/bugs/456280 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs