Strange visual artifacts in upper left corner of screen which respond to mouse activity.....

Miguel Ramos freebsd at
Tue Apr 25 15:43:21 UTC 2006

Ter, 2006-04-25 às 10:15 -0500, Eric Schuele escreveu:
> Chuck Swiger wrote:
> > Eric Schuele wrote:
> > [ ... ]
> >> OK... I can tell be the number of replies, everyone just rolled their 
> >> eyes at me and figured I'm crazy.  But it really does occur.  :)
> >>
> >> FWIW:
> >> I have found that if I use the GDM provided XDMCP Chooser... that the 
> >> problem immediately dissapears.
> >>
> >> Anyone have any thoughts on this?
> > 
> > It sounds like something is causing data to get scribbled over video 
> > memory when you move your mouse, but who knows?
> That's the assumption I had (but I have no idea how to 'fix' it).  In 
> fact, if you could see it happen... it even "looks like" memory getting 
> allocated.  The blocks fill in left to right top to bottom (for the most 
> part).  First one block... then another.
> > 
> > You should probably not expect replies to a non-trivial message in less 
> > than 24-hours; 
> Sorry... my comment regarding the "number of replies" was a failed 
> attempt at humor.  I realize this is a bit of an odd one.
> My follow up to my own message was intended to introduce the new tidbit 
> of info I had found (XDMCP Chooser).

My hint is very bad (I had a problem once, and assume any problem with
gdm is the same). What is the value of the FirstVT option
in /usr/X11R6/etc/gdm/gdm.conf? Is that tty off in /etc/ttys?

Miguel Ramos

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