hi Gonçalo,

A shot in the dark: you might be exhausting available memory.  In any
case, try running slam_gmapping in gdb to see what's causing it to die
(http://www.ros.org/wiki/roslaunch/Tutorials/Roslaunch%20Nodes%20in%20Valgrind%20or%20GDB).

	brian.

2010/7/27 Gonçalo Cabrita <goncabrita@gmail.com>:
> Hi everyone!
> I'm trying to generate a map according to the tutorials and I've ran into a
> bit of a problem. I'm trying to run slam_gmapping on my MacBook Core2Duo
> running Ubuntu 10.04 with ROS and I'm allways getting the same error,
> slam_gmapping crashes after a while after starting to run...
> ...
> *************RESAMPLE***************
> Deleting Nodes: 3 4 5 7 10 12 17 19 21 24 26 27 Done
> Deleting old particles...Done
> Copying Particles and  Registering  scans... Done
> update frame 422
> update ld=1.00063 ad=0.0320879
> Laser Pose= 5.26866 0.0983503 0.0260777
> m_count 4
> Average Scan Matching Score=110.945
> neff= 29.3825
> Registering Scans:Done
> /home/blazz/ros/ros/bin/rosrun: line 35:  1862 Killed
>  $exepath "$@"
> This is running on other machines in the lab but not in my Mac. I've tried
> re-installing ROS but the problem persists.
> What additional information should I provide to help solve this problem???
> Thanks for your help,
> Gonçalo Cabrita
> ISR - University of Coimbra
> Portugal
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