re: new nsallinone version

[Ya Xu <yaxu@ISI.EDU>]

Hi,

The "null" problem does not happen in FreeBSD and Linux. But It happened
in Solaris. 

thanks

Ya

On Thu, 16 Jul 1998, Haobo Yu wrote:

> Did you try to build a debug version of ns and use a debugger to see where
> the segv happens? If my guess is correct, it happens in trace.cc,
> Trace::format() and DequeueTrace::recv(). Check for "sname" in those
> functions, and change the following lines: 
> 
> 		if (strcmp(name,"SRM") == 0 || strcmp(name,"cbr") == 0) {
> 		    if ( sh->type() < 5 && sh->type() >=0  ) {
> 		        sname = srm_names[sh->type()];
> 		    }
> 		} 
> to:
> 		if (strcmp(name,"SRM") == 0 || strcmp(name,"cbr") == 0) {
> 		    if ( sh->type() < 5 && sh->type() >=0  ) {
> 		        sname = srm_names[sh->type()];
> 		    }
> 		} else 
> 			sname = "null";
> 
> The previous problem is, sname is assigned to 0 and sprintf tries to get a
> string out of it. 
> 
> Let me know if it works.
> 
> - Haobo
> 
> On Thu, 16 Jul 1998, Hugh Smith wrote:
> 
> > I'm still having trouble with version 2.1b3 and the allinone
> > installation.  I  get a segfault when I try to run simulations on
> > the tutorial examples or the file tcl/ex/simple-dyn.tcl. 
> > 
> > The segfault goes away if I comment out the line: 
> > 	
> > 	$ns namtrace-all $nf 
> > 
> > 
> > The steps I have taken are:
> > 
> > 1) Reinstalled the allinone version.  (This cleared up the problem
> > of xgraph not compiling.)
> > 
> > 2) I checked that my LD_LIBRARY_PATH was correct (it was).
> > 
> > 3) Just in case I did the cd octl; make.  This worked ok but did not
> > clear up the problem.
> > 
> > Thoughts?
> > 
> > Also, is there any documentation on the changes talked about in Ya
> > Xu's message regarding version v2.1b3.  
> > 
> > Thanks, Hugh
> > 
> 
>