Hi Radu, I must have skipped something, what is v.6? An example file is available here: http://ias.cs.tum.edu/~indorewala/27_July_exploration_full_room_1.pcd D. On Tue, Aug 3, 2010 at 6:03 PM, Radu Bogdan Rusu wrote: > Dejan, > > Besides enabling the debugging symbols to see where it segfaults, make sure > your PCD files are v.6. You can send me one for analysis if you want. > > Cheers, > Radu. > > On 08/03/2010 07:51 AM, Dejan Pangercic wrote: >> >> Hi there, >> I tested the "pcl_tutorials/src/pairwise_incremental_registration.cpp" >> today and it seg. faulted with the following backtrace: >> """ >> (gdb) bt >> #0  0x00000000004230b4 in >> >> pcl::KdTreeANN::convertCloudToArray(pcl::PointCloud >> const&) () >> #1  0x000000000042337c in >> >> pcl::KdTreeANN::setInputCloud(boost::shared_ptr >> const>  const&, boost::shared_ptr >>> >>> const>  const&) () >> >> #2  0x0000000000412a1e in pairAlign(pcl::PointCloud >> const&, pcl::PointCloud  const&, >> pcl::PointCloud&) () >> #3  0x00000000004143f6 in main () >> """ >> The problem however is in that I get no debug output, that is, if I >> for instance change to the stack 0 (by typing in "frame 0") and then >> try to list the code there I get the following output from the >> debugger: >> """ >> in dl-debug.c >> """ >> So without any debug symbols. I then tried to re-build the pcl by >> explicitly enabling the Debug directive (by setting "set >> (ROS_BUILD_TYPE Debug)") but still without any success. >> So my question is I guess how can I debug this code without having to >> pollute the convertCloudToArray function with cerr-s? >> >> >> >> On the seg. fault issue itself, it turns out that it has been caused >> by the commit number  r31496 as reverting to the version number r31461 >> actually gets rid of it. >> >> >> cheers, D. >> > > -- > | Radu Bogdan Rusu | http://rbrusu.com/ > -- MSc. Dejan Pangercic PhD Student/Researcher Intelligent Autonomous Systems Group Technische Universität München Telephone: +49 (89) 289-26908 E-Mail: dejan.pangercic@cs.tum.edu WWW: http://ias.cs.tum.edu/people/pangercic