[GRASSLIST:5670] Re: NVIZ segfault

[Hamish]

On Sat, 5 Feb 2005 17:38:46 -0500
Carl Brown <cbsled at verizon.net> wrote:

> On a fresh debian sarge install this time, 
> using GRASS 6.0.0 compiled on this system.
> This same segfault has occurred on this system with all of the following GRASS 
> versions:
> 5.0.3 deb package from debian stable
> 5.3 built from source
> 5.7 built from source
> 6.0 built from source
> The problem has now occurred using two different video cards and xservers.
> It is always the same: NVIZ starts, and runs through it's initialization 
> routines. It opens the display window which contains an image. Then when it 
> should be opening the "toplevel" window, all nviz windows silently disappear, 
> leaving no trace of any error in any logfile that I have been able to find. 
> Formerly, there would be a "segmentation violation" returned if nviz was 
> launched from the commandline.
> 
> I recently received an email from someone who has this same problem on two 
> different systems, one laptop and one desktop.
> 
> That the problem can be reproduced from the debian _stable_ package should 
> rule out OpenGL/Mesa problems, among other things, unless the dependencies in 
> the package are wrong, which seems unlikely.
> 
> Any suggestions or wild guesses would be greatly appreciated.


On debian you need to compile against Tcl/Tk 8.3 not 8.4.

The debian packages are tcl8.3-dev and tk8.3-dev.

Suspected threading problem, if you figure out a fix you get a gold star.



Hamish