Thanks for testing, perhaps it will be fixed in a future -fglrx. Or on the off chance it's a kernel issue, it might be useful to test with a newer kernel, however from what you've described this sounds a lot like a GPU lockup, which is going to be a driver issue so we'd need to wait for a new driver.
** Changed in: fglrx-installer (Ubuntu) Status: Incomplete => Triaged -- [HD 4870] Power-off and power-on of monitors in multiheaded fglrx xorg configuration causes X freeze https://bugs.launchpad.net/bugs/370051 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