howto pstack running freeradius process

[George Chelidze]

On Thu, 2009-07-23 at 22:27 -0700, Doug Hardie wrote:
> On 23 July 2009, at 22:09, George Chelidze wrote:
> 
> >
> > On Thu, 2009-07-23 at 16:10 +0200, Alan DeKok wrote:
> >> George Chelidze wrote:
> >>> Hello,
> >>>
> >>> I am investigating one issue with freeradius 2.1.6 custom module and
> >>> would like to get a stack trace of running process.
> >>
> >>  This is a local OS issue.  It has nothing to do with FreeRADIUS.
> >
> > Hello Alan,
> >
> > I didn't say it's an issue with freeradius. I said it's an issue  
> > with a
> > custom module and I am trying to find the reason that's why I asked
> > about stack trace.
> 
> The approach I use to debug a module is to compile it with gdb  (helps  
> to also compile freeradius with gdb).  Then run it under gdb with -X.   
> You can then set breakpoints or other gdb trace commands and then feed  
> it the input that causes the problem.

Hello Doug,

Thanks for reply. Unfortunately when I start freeradiusd with -X problem
is gone, it only exists when I start it in background, so I'd like to
attach to the running daemon and get the stack trace if possible.

Best Regards,

George