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On 04/09/2013 07:15 AM, Richard Vickery
wrote:
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.
Probably unrelated but this reminds me, I had graphics/display
issues a year or two ago and put set up a huge fan on the graphics
card blowing on the heat sink. Not a problem with graphics ever
since.
Roger
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