Re: [ns] Strange behavior in NS

[Scott Michel <scottm@cs.ucla.edu>]

On Tue, Jan 16, 2001 at 08:41:53PM +0100, Thierry Ernst wrote:
> > can you state your problem in more details? (code, error
> > message etc.) It will be helpful for people to understand
> > what you exactly encountered.
> 
> Unfortunately, it's hard to give you any piece of code because I run
> very large simulations using wired and wireless nodes and I have added
> quite a large number of new lines of code.
> 
> Basically, I sometimes have simulations than run up to the end and
> sometimes not, depending on options like "Nam output on/off", "Trace
> output on/off".    I sometimes have to add very weird lines in order to
> make it work.

It sounds a bit like a NULL pointer dereference bug or a Tcl_Channel
hasn't been initialized properly. In either case, you'll get a core
dump as a result if you don't have nam output set up. Sorry I can't
get more specific than that.


-scooter