Re: cvs HEAD : got a SIGTRAP

["Jean-Luc Coulon (f5ibh)" <jean-luc coulon wanadoo fr>]

Le 15.08.2004 14:59:10, Pawel Salek a écrit :
> On 08/15/2004 02:26:19 PM, Jean-Luc Coulon (f5ibh) wrote:
> > Hi,
> >
> > I was running balsa HEAD cvs in gdb and I got a SIGTRAB.
> > Unfortunately, there was no backtrace ...
> >
> > [Thread 1118722992 (zombie) exited]
> > [New Thread 1118722992 (LWP 11571)]
> > [Thread 1118722992 (unknown thread_db state 1) exited]
> >
> > Program received signal SIGTRAP, Trace/breakpoint trap.
> > [Switching to Thread 1118722992 (unknown thread_db state 1)]
> > 0x0826677c in ?? ()
> > (gdb) bt
> > #0  0x0826677c in ?? ()
>
> My guess is your gdb has no support for debugging threaded programs:
>
> "On most systems, GDB has no special support for debugging programs
> which create additional processes using the `fork' function.  When a
> program forks, GDB will continue to debug the parent process and the
> child process will run unimpeded.  If you have set a breakpoint in  
> any
> code which the child then executes, the child will get a `SIGTRAP'
> signal which (unless it catches the signal) will cause it to  
> terminate."
>
> using gdb command "handle SIGTRAP ignore" may help - I do not know.

Yes, it works that way ....
But it is quite a bit strange. I've done some gdb session sometime ago  
without such a problem. Maybe there was a package upgrade in the  
meantime.

Regards

Jean-Luc
> Pawel

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