There's a tutorial on that:

http://www.ros.org/wiki/roslaunch/Tutorials/Roslaunch%20Nodes%20in%20Valgrind%20or%20GDB

On Mon, Nov 22, 2010 at 9:24 AM, Andreas Baldinger <
e0929191@student.tuwien.ac.at> wrote:

> How can I use gdb and roslaunch together and get a backtrace?
> My launch-command is:
>
>        roslaunch robotcontrol exercise01.launch rc:=1
>
> The only way I know to use gdb is: $ gdb [filename]
>
>
> On 2010-11-22 16:19, Brian Gerkey wrote:
> > Looks like stageros is segfaulting (hence the -11 exit code).  Can you
> > run it in gdb and post a backtrace?
> >On Mon, Nov 22, 2010 at 7:05 AM, Andreas Baldinger
> > <e0929191@student.tuwien.ac.at> wrote:
> > > Thank you for your help, but that didnīt help at all.
> > > I still get the Error:
> > >
> > > XRequest.137: BadWindow (invalid Window parameter) 0x4e00004
> > > [stageros-2] process has died [pid 4294, exit code -11].
> > >
> > > I tried to remove my xserver-xorg and install it again, but that didnīt
> > > help either.
> > > The problem is I am new to linux (4weeks+) and canīt really determine
> > from
> > > where the error is coming.
> > > I mean what is an XRequest.137? Couldnīt find any information on this
> > > either.
> > > And how come that it worked a week ago and now its jammed?
> > >
> > > Greetings,
> > > --
> > > Andreas Baldinger
> > > MatrNr.: 0929191
> > > Student Automatisierungstechnik
> > > TU Wien
> > >
> > >
> > > On 2010-11-21 23:52, Kevin Watts wrote:
> > >> Andreas-
> > >> $ export STAGEPATH=/etc/X11
> > >>Kevin
> > >>On Sun, Nov 21, 2010 at 8:27 AM, Andreas Baldinger <
> > >> e0929191@student.tuwien.ac.at> wrote:
> > >>> Hello.
> > >> >
> > >> > A week ago stageros worked perfectly. Now I tried to start again
> > and I
> > >> > always get the same error:
> > >> >
> > >> > [ INFO] [1290356178.217601386]: Starting program...
> > >> > [ INFO] [1290356178.217768326]: Waiting for sensor data...
> > >> > XRequest.137: BadWindow (invalid Window parameter) 0x5400004
> > >> > [stageros-2] process has died [pid 16149, exit code -11].
> > >> >
> > >> > The problem is I donīt really know what I changed in this week and I
> > >> > couldnīt find any useful information so far.
> > >> > The log-file contains:
> > >> >
> > >> > [roscpp_internal] [2010-11-21 17:16:18,316] [thread 0x7fe960960840]:
> > >> > [DEBUG] UDPROS server listening on port [51346]
> > >> > [roscpp_internal] [2010-11-21 17:16:18,322] [thread 0x7fe960960840]:
> > >> > [DEBUG] Started node [/stageros], pid [16149], bound on
> > [ndsnotebook],
> > >> > xmlrpc port [44758], tcpros port [54024], logging to
> > >> >
> > >> >
> > >>
> >
> [/home/andreasbaldinger/.ros/log/aba5a5f2-f58a-11df-bc8a-0024545bc34c/stageros-2.log],
> > >> > using   [real] time
> > >> > [roscpp_internal] [2010-11-21 17:16:18,342] [thread 0x7fe94d15c710]:
> > >> > [DEBUG] Accepted connection on socket [10], new socket [15]
> > >> > [roscpp_internal] [2010-11-21 17:16:18,342] [thread 0x7fe94d15c710]:
> > >> > [DEBUG] TCPROS received a connection from [127.0.1.1:34869]
> > >> > [roscpp_internal] [2010-11-21 17:16:18,342] [thread 0x7fe94d15c710]:
> > >> > [DEBUG] Connection: Creating TransportSubscriberLink for topic
> > >> [/rosout]
> > >> > connected to [callerid=[/rosout] address=[TCPROS connection to
> > >> > [127.0.1.1:34869 on socket 15]]]
> > >> >
> > >> > I figured the problem could be anything regarding my graphic card.
> > >> > I also installed a lot of updates (ubuntu update manager) and there
> > >> were
> > >> > also some ros-updates included.
> > >> >
> > >> > btw: Iīm using ubuntu 10.04 lucid on a Samsung R580 Hawk with a
> > NVIDIA
> > >> > GT330M.
> > >> >
> > >> > Has anyone else ever had such an error?
> > >> >
> > >> > Greetings,
> > >> > --
> > >> > Andreas Baldinger
> > >> > MatrNr.: 0929191
> > >> > Student Automatisierungstechnik
> > >> > TU Wien
> > >> > _______________________________________________
> > >> > ros-users mailing list
> > >> > ros-users@code.ros.org
> > >> > https://code.ros.org/mailman/listinfo/ros-users
> > >> >
> > >> _______________________________________________
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> > >
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> >
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