[Flightgear-devel] Segfault

[Nicolas <pr...@fr...>]

Hi,

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb6215730 (LWP 28660)]
0x085b15e0 in SGGeodesy::SGGeodToCart (geod=@0x19, cart=@0xbff93d40) at
SGGeodesy.cxx:100
100	SGGeodesy::SGGeodToCart(const SGGeod& geod, SGVec3<double>& cart)
(gdb) list
95	  geod.setLatitudeRad(2*atan2(Z, D+sqrtDDpZZ));
96	  geod.setElevationM((k+e2-1)*sqrtDDpZZ/k);
97	}
98	
99	void
100	SGGeodesy::SGGeodToCart(const SGGeod& geod, SGVec3<double>& cart)
101	{
102	  // according to
103	  // H. Vermeille,
104	  // Direct transformation from geocentric to geodetic ccordinates,
(gdb) backtrace 
#0  0x085b15e0 in SGGeodesy::SGGeodToCart (geod=@0x19, cart=@0xbff93d40)
at SGGeodesy.cxx:100
#1  0x084698da in FGPositioned::cart (this=0x11)
at /usr/local/include/simgear/math/SGVec3.hxx:191
#2  0x0846e185 in
std::__unguarded_linear_insert<__gnu_cxx::__normal_iterator<SGSharedPtr<FGPositioned>*, std::vector<SGSharedPtr<FGPositioned>, std::allocator<SGSharedPtr<FGPositioned> > > >, SGSharedPtr<FGPositioned>, DistanceOrdering> (__last={_M_current = 0x17bff874}, __val={_ptr = 0xbff93e20}, __comp=
              {mPos = {<SGVec3Storage<double>> = {<osg::Vec3d> = {_v =
{4151577.7932195272, 4433.772727001613, 4825770.8118285323}}, <No data
fields>}, <No data fields>}}) at positioned.cxx:221
#3  0x0846ffe0 in
std::__insertion_sort<__gnu_cxx::__normal_iterator<SGSharedPtr<FGPositioned>*, std::vector<SGSharedPtr<FGPositioned>, std::allocator<SGSharedPtr<FGPositioned> > > >, DistanceOrdering> (
    __first={_M_current = 0x17bff870}, __last={_M_current = 0x17bff878},
__comp=
              {mPos = {<SGVec3Storage<double>> = {<osg::Vec3d> = {_v =
{4151577.7932195272, 4433.772727001613, 4825770.8118285323}}, <No data
fields>}, <No data fields>}})
    at /usr/include/c++/4.3/bits/stl_algo.h:1785
#4  0x0847016e in
std::__final_insertion_sort<__gnu_cxx::__normal_iterator<SGSharedPtr<FGPositioned>*, std::vector<SGSharedPtr<FGPositioned>, std::allocator<SGSharedPtr<FGPositioned> > > >, DistanceOrdering>
    (__first={_M_current = 0xbff93d40}, __last={_M_current =
0x17bff878}, __comp=
              {mPos = {<SGVec3Storage<double>> = {<osg::Vec3d> = {_v =
{4151577.7932195272, 4433.772727001613, 4825770.8118285323}}, <No data
fields>}, <No data fields>}})
    at /usr/include/c++/4.3/bits/stl_algo.h:1849
#5  0x0846b57f in sortByDistance (aPos=<value optimized out>,
aResult=<value optimized out>)
    at /usr/include/c++/4.3/bits/stl_algo.h:4822
#6  0x0846bf85 in spatialGetClosest (aPos=@0xbff94200, aN=1,
aCutoffNm=10000, aFilter=0xbff9421c)
    at positioned.cxx:328
#7  0x0846c0b9 in FGPositioned::findClosest (aPos=@0xbff94200,
aCutoffNm=10000, aFilter=0xbff9421c)
    at positioned.cxx:537
#8  0x0848ec73 in FGAirport::findClosest (aPos=@0xbff94200,
aCuttofNm=10000, filter=0xbff9421c)
    at simple.cxx:242
#9  0x0850029d in FGMetarEnvironmentCtrl::update (this=0xe26fcd8,
delta_time_sec=0.51666666666666683)
    at environment_ctrl.cxx:708
#10 0x085efa09 in SGSubsystemGroup::Member::update (this=0xe270428, 
    delta_time_sec=0.033333333333333333) at subsystem_mgr.cxx:306
#11 0x085f209b in SGSubsystemGroup::update (this=0xe26f170,
delta_time_sec=0.033333333333333333)
    at subsystem_mgr.cxx:159
#12 0x084f82ea in FGEnvironmentMgr::update (this=0xe26f170,
dt=0.033333333333333333)
    at environment_mgr.cxx:272
#13 0x085efa09 in SGSubsystemGroup::Member::update (this=0xe297970, 
    delta_time_sec=0.033333333333333333) at subsystem_mgr.cxx:306
#14 0x085f209b in SGSubsystemGroup::update (this=0x8733ba4,
delta_time_sec=0.033333333333333333)
    at subsystem_mgr.cxx:159
#15 0x0806cb02 in fgMainLoop () at main.cxx:460
#16 0x080afd4c in fgOSMainLoop () at fg_os_osgviewer.cxx:177
#17 0x0806c155 in fgMainInit (argc=4, argv=0xbff948c4) at main.cxx:1005
#18 0x0806a44a in main (argc=2139433809, argv=0x3fe83740) at
bootstrap.cxx:177


If I find the time, I send you a fix.


Regards,

-- 
Nicolas VIVIEN