On Apr 8, 2013 1:04 PM, "Beartooth" <beartooth@xxxxxxxxxxx> 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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