On Apr 8, 2013 1:04 PM, "Beartooth" <bearto...@comcast.net> wrote: > > > 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. > > > --
I had this once, or many instances over a certain period of time, and am still using the same graphics card. I don't think ours heat-related; I can't remember what I did to fix it.
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