DSoD : Diagonal Screen of Death

[Kevin Martin]

On 04/08/13 15:04, Beartooth 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??
> 
Can you login from the machine remotely and look at xorg.0.log, dmesg,  or any of the users .x* files to see if there's anything
interesting there?

Kevin