On Fedora 17 and 18 I sometimes get a display like nothing else I know. It's made up of short horizontal lines, some in color, arranged into long diagonals that cover the screen, with about the angle of a backslash. The little lines in each group are parallel, and there's always a little space between every group and the next. It comes up suddenly, on a key press or a mouse click. Once it comes up, it owns the machine -- nothing the mouse or keyboard can do (that I know of, anyway) has any effect, and I have to hit the reset button. I have yet to discover any correlation with any user action : afaict, some power of darkness arms the trigger, apparently randomly, and the next thing I do brings on the crash. Has anyone else seen this? Diagnosed it? Found any prevention or cure?? -- Beartooth Staffwright, Neo-Redneck, Not Quite Clueless Power User Remember I have precious (very precious!) little idea where up is. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org