Hi, I ran rosmake --pre-clean turtle_tf hence it also did a make clean on tf, but still the same... I installed ros after upgrading to lucid and I'm still on 32bit, unfortunately I can't apt-get upgrade my hardware ;-) Felix 2010/5/7 Lorenz Mösenlechner : > Hi, > > did you try to recompile tf and all its dependencies? > rosmake --pre-clean tf > > When did you upgrade to lucid? Did you have the ros installation > before? Did you maybe change from 32 bit to 64 bit or vice versa? > > Lorenz > >> Dejan, >> >> I attached the full backtrace in case this is of any help... >> Thanks a lot! >> >> Cheers, Felix >> >> On Fri, May 7, 2010 at 7:49 PM, Felix Ruess wrote: >> > Tully, >> > >> > thanks for the hint! I did a svn up in joystick_drivers and there now >> > it is already added in the dep file :-) >> > And yes, that is not the problem causing the segfault. >> > >> > Dejan, >> > >> > finally found out how to debug the python program with gdb (removed >> > the node from the launch file and ran gdb python seperately). >> > here is the trace: >> > >> > (gdb) run turtle_tf_listener.py __name:=turtle_listener >> > Starting program: /usr/bin/python turtle_tf_listener.py __name:=turtle_listener >> > [Thread debugging using libthread_db enabled] >> > [New Thread 0x25a8b70 (LWP 7159)] >> > [New Thread 0x2da9b70 (LWP 7160)] >> > [New Thread 0x35b6b70 (LWP 7161)] >> > [Thread 0x35b6b70 (LWP 7161) exited] >> > [New Thread 0x35b6b70 (LWP 7166)] >> > [New Thread 0x3db7b70 (LWP 7170)] >> > [New Thread 0x45b8b70 (LWP 7173)] >> > [New Thread 0x4db9b70 (LWP 7175)] >> > [Thread 0x45b8b70 (LWP 7173) exited] >> > >> > Program received signal SIGILL, Illegal instruction. >> > [Switching to Thread 0x4db9b70 (LWP 7175)] >> > 0x0051c203 in ros::TimeBase::fromSec >> > (obj=