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

[Dejan Pangercic]

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 <rusu at willowgarage.com> 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<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/
>



-- 
MSc. Dejan Pangercic
PhD Student/Researcher
Intelligent Autonomous Systems Group
Technische Universität München
Telephone: +49 (89) 289-26908
E-Mail: dejan.pangercic at cs.tum.edu
WWW: http://ias.cs.tum.edu/people/pangercic