This one happened just lately, came back to a hung sesion after a few minutes, and the monitor was displaying a warning about refresh rate being out of range. Ctrl+alt+<-> gave me a viewable session again, and Ctrl+alt+<+> got me back to the original resolution, with no apparent ill effect.
-- Display blanking/freezing using PCI/AGP ATI 9250 https://launchpad.net/bugs/58448 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
