I forgot to say all this
It crashed all our Sun boxes from Sun4 to Sol2.6 running both
/usr/openwin/bin/Xsun and the MIT Xsun. It is a consistent bug.
All machines are loaded with X11R6 and Xforms0.88.
Crashing a server is not really difficult, as long as the application has
access to the guts of the server.
I think the problem with the xyplot is that when the data points go out of
the window and it tries to map the "float" data to "short" values, it somehow
overflows onto the server code and brings it down.
Even if the crash is a server problem, the many lines appearing in the
xyplot are the xyplot problem.
Ali
In a previous message Steve Lamont wrote:
>
> # To subscribers of the xforms list from spl@szechuan.ucsd.edu (Steve Lamont) :
>
> > The really BIG problem is that if I doublebuffer the xyplot or its form,
> > the whole Xserver crashes.
>
> What system? What version of X? What version of XForms?
>
> This is clearly a server bug, since no application should *ever* crash
> the X server (or the operating system), no matter how broken the
> application might be. If there is a newer version of the server, you
> might want to consider upgrading.
>
> Since doublebuffering is accomplished by drawing to an offscreen
> Pixmap and then copying the whole mess to the Window containing the
> form you might want to look for server problems involving Pixmaps
> and/or XCopyArea().
>
> spl
>
>
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