[ros-users] [PCL]: seg fault in convertCloudToArray

[Radu Bogdan Rusu]

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<pcl::PointNormal>::convertCloudToArray(pcl::PointCloud<pcl::PointNormal>
> const&) ()
> #1  0x000000000042337c in
> pcl::KdTreeANN<pcl::PointNormal>::setInputCloud(boost::shared_ptr<pcl::PointCloud<pcl::PointNormal>
> const>  const&, boost::shared_ptr<std::vector<int, std::allocator<int>
>> const>  const&) ()
> #2  0x0000000000412a1e in pairAlign(pcl::PointCloud<pcl::PointXYZ>
> const&, pcl::PointCloud<pcl::PointXYZ>  const&,
> pcl::PointCloud<pcl::PointXYZ>&) ()
> #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/