Ctrl + Alt + F1 bringing up a console (known as a VT) is the intended behavior. If Ctrl+Alt+F7 doesn't return you to your GUI session and X is indeed crashing, then I'd probably accuse the nvidia graphics driver.
If you switch to nv, does X still crash? -- Ctrl + Alt + F1 restart X in Kubuntu Hardy https://bugs.launchpad.net/bugs/203282 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