I just solved it. As I guessed: it was somehow my Xserver. My ubuntu update manager installed an update for my graphic card and somehow this caused the error. I reinstalled the original driver from Nvidia and now it works again. But thank you all for the help and I would have needed the debugging of nodes anyway. Greetings, -- Andreas Baldinger MatrNr.: 0929191 Student Automatisierungstechnik TU Wien On 2010-11-22 17:26, Kevin Watts wrote: > There's a tutorial on that: >http://www.ros.org/wiki/roslaunch/Tutorials/Roslaunch Nodes in Valgrind > or GDB >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: > > > > > > 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 > > > wrote: > > > > Thank you for your help, but that didn´t 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 > didn´t > > > > help either. > > > > The problem is I am new to linux (4weeks+) and can´t really > determine > > > from > > > > where the error is coming. > > > > I mean what is an XRequest.137? Couldn´t 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 don´t really know what I changed in this week > and I > > > >> > couldn´t 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: I´m 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 > > > >> > > > > >> _______________________________________________ > > > >> ros-users mailing list > > > >> ros-users@code.ros.org > > > >> https://code.ros.org/mailman/listinfo/ros-users > > > > _______________________________________________ > > > > ros-users mailing list > > > > ros-users@code.ros.org > > > > https://code.ros.org/mailman/listinfo/ros-users > > > > > > > _______________________________________________ > > > ros-users mailing list > > > ros-users@code.ros.org > > > https://code.ros.org/mailman/listinfo/ros-users > > > > > _______________________________________________ > > ros-users mailing list > > ros-users@code.ros.org > > https://code.ros.org/mailman/listinfo/ros-users > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users