GNU gdb (Debian 7.12-6+b1) 7.12.0.20161007-git
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Reading symbols from ./fg.git/bin/fgfs...(no debugging symbols found)...done.
[New LWP 4380]
[New LWP 4378]
[New LWP 4379]
[New LWP 4385]
[New LWP 4382]
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[New LWP 4397]
[New LWP 4388]
[New LWP 4390]
[New LWP 4387]
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[New LWP 4389]
[New LWP 4398]
[New LWP 4391]
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/home/anders/FlightGear/fg.git/bin/fgfs --config=/home/anders/.fgfs/preferences'.
Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
[Current thread is 1 (Thread 0x7febe2ffc700 (LWP 4380))]

Thread 17 (Thread 0x7febe47ff700 (LWP 4377)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007febf1dc4beb in OpenThreads::Barrier::block (this=<optimized out>, 
    numThreads=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadBarrier.cpp:183
#2  0x00007febf217ecc5 in osg::OperationThread::run (this=0x7febe6349200)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#3  0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febe6349218)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007febf3b22494 in start_thread (arg=0x7febe47ff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 16 (Thread 0x7febf4fa2980 (LWP 4371)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007febf1dc4dfe in OpenThreads::Condition::wait (
    this=this@entry=0x7febe4ffd770, mutex=mutex@entry=0x7febe4ffd758)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadCondition.cpp:137
#2  0x00007febf28075e9 in OpenThreads::BlockCount::block (this=0x7febe4ffd758)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/OpenThreads/Block:133
#3  osgViewer::ViewerBase::renderingTraversals (this=0x7febe60aae80)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgViewer/ViewerBase.cpp:868
#4  0x000055ba358d0eb6 in fgOSMainLoop() ()
#5  0x000055ba350cdce7 in fgMainInit(int, char**) ()
#6  0x000055ba3506b18f in main ()

Thread 15 (Thread 0x7febe55cb700 (LWP 4391)):
#0  0x00007febef36766d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007febe96e607e in ?? () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#2  0x00007febe96e634b in snd_pcm_wait ()
   from /usr/lib/x86_64-linux-gnu/libasound.so.2
#3  0x00007febf493ff0a in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
#4  0x00007febf494b007 in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
#5  0x00007febf3b22494 in start_thread (arg=0x7febe55cb700)
    at pthread_create.c:333
#6  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 14 (Thread 0x7febb4bfe700 (LWP 4398)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007febf1dc4dfe in OpenThreads::Condition::wait (
    this=this@entry=0x7febe4db6cb0, mutex=mutex@entry=0x7febe4db6c98)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadCondition.cpp:137
#2  0x00007febf33a0305 in OpenThreads::Block::block (this=0x7febe4db6c98)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/OpenThreads/Block:42
#3  osgDB::DatabasePager::ReadQueue::block (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osgDB/DatabasePager:394
#4  osgDB::DatabasePager::DatabaseThread::run (this=0x7febe4eaf260)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgDB/DatabasePager.cpp:722
#5  0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febe4eaf278)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#6  0x00007febf3b22494 in start_thread (arg=0x7febb4bfe700)
    at pthread_create.c:333
#7  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7febc4bff700 (LWP 4389)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba3573752b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febc4bff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7febd9fff700 (LWP 4393)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba35603a29 in NasalGCThread::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febd9fff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7febe5fff700 (LWP 4392)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba35add4db in logstream::LogStreamPrivate::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febe5fff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7febc63ff700 (LWP 4387)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba3573752b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febc63ff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7febc43fe700 (LWP 4390)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007febf1dc4dfe in OpenThreads::Condition::wait (this=<optimized out>, 
    mutex=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadCondition.cpp:137
#2  0x000055ba3572fd20 in FGVoiceMgr::FGVoiceThread::run() ()
#3  0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febc7ad3300)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007febf3b22494 in start_thread (arg=0x7febc43fe700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7febc5bfe700 (LWP 4388)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba3573752b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febc5bfe700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7febb53ff700 (LWP 4397)):
#0  osg::BufferObject::removeBufferData (this=0x7feb9bfa4100, index=33249)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:1193
#1  0x00007febf20c1cb2 in osg::BufferData::setBufferObject (
    this=this@entry=0x7febdfdd98e0, bufferObject=bufferObject@entry=0x0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:1274
#2  0x00007febf20c1d49 in osg::BufferData::~BufferData (this=0x7febdfdd98e0, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:1265
#3  0x000055ba35e0e5f8 in osg::TemplateArray<float, (osg::Array::Type)7, 1, 5126>::~TemplateArray() ()
#4  0x00007febf21152cf in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#5  osg::ref_ptr<osg::Array>::~ref_ptr (this=0x7febdfb9b990, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#6  osg::Geometry::~Geometry (this=0x7febdfb9b800, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:79
#7  0x00007febf2115319 in osg::Geometry::~Geometry (this=0x7febdfb9b800, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:85
#8  0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#9  osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#10 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#11 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febdfffbef8)
    at /usr/include/c++/7/bits/stl_construct.h:108
#12 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#13 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#14 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7febe06ad250, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#15 osg::Group::~Group (this=0x7febe06ad180, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#16 0x000055ba35cc92dd in simgear::EffectGeode::~EffectGeode() ()
#17 0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#18 osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#19 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#20 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febdf82e930)
    at /usr/include/c++/7/bits/stl_construct.h:108
#21 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#22 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#23 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7febe0690bd0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#24 osg::Group::~Group (this=0x7febe0690b00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#25 0x00007febf36631fb in osg::LOD::~LOD (this=0x7febe0690b00, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#26 osg::LOD::~LOD (this=0x7febe0690b00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#27 0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#28 osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#29 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#30 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febdfffce28)
    at /usr/include/c++/7/bits/stl_construct.h:108
#31 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#32 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#33 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7febdfe199d0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#34 osg::Group::~Group (this=0x7febdfe19900, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#35 0x00007febf2132cc9 in osg::Group::~Group (this=0x7febdfe19900, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:54
#36 0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#37 osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#38 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#39 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febdf8534f8)
    at /usr/include/c++/7/bits/stl_construct.h:108
#40 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#41 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#42 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7febdf8b10d0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#43 osg::Group::~Group (this=0x7febdf8b1000, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#44 0x00007febf2132cc9 in osg::Group::~Group (this=0x7febdf8b1000, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:54
#45 0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#46 osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#47 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#48 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febdfe1a400)
    at /usr/include/c++/7/bits/stl_construct.h:108
#49 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#50 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#51 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7feb7da2dad0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#52 osg::Group::~Group (this=0x7feb7da2da00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#53 0x00007febf21718e9 in osg::MatrixTransform::~MatrixTransform (
    this=0x7feb7da2da00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/MatrixTransform.cpp:41
#54 0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#55 osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#56 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#57 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febe012c420)
    at /usr/include/c++/7/bits/stl_construct.h:108
#58 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#59 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#60 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7febe000aad0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#61 osg::Group::~Group (this=0x7febe000aa00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#62 0x00007febf36631fb in osg::LOD::~LOD (this=0x7febe000aa00, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#63 osg::LOD::~LOD (this=0x7febe000aa00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#64 0x00007febf2132c85 in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#65 osg::ref_ptr<osg::Node>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#66 std::_Destroy<osg::ref_ptr<osg::Node> > (__pointer=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:98
#67 std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Node>*> (
    __last=<optimized out>, __first=0x7febe012c448)
    at /usr/include/c++/7/bits/stl_construct.h:108
#68 std::_Destroy<osg::ref_ptr<osg::Node>*> (__last=<optimized out>, 
    __first=<optimized out>) at /usr/include/c++/7/bits/stl_construct.h:137
#69 std::_Destroy<osg::ref_ptr<osg::Node>*, osg::ref_ptr<osg::Node> > (
    __last=<optimized out>, __first=<optimized out>)
    at /usr/include/c++/7/bits/stl_construct.h:206
#70 std::vector<osg::ref_ptr<osg::Node>, std::allocator<osg::ref_ptr<osg::Node> > >::~vector (this=0x7feb97b7d0d0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#71 osg::Group::~Group (this=0x7feb97b7d000, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#72 0x00007febf2132cc9 in osg::Group::~Group (this=0x7feb97b7d000, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:54
#73 0x00007febf33a584a in osg::Referenced::unref (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Referenced:198
#74 osg::ref_ptr<osg::Object>::~ref_ptr (this=<optimized out>, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#75 __gnu_cxx::new_allocator<std::_List_node<osg::ref_ptr<osg::Object> > >::destroy<osg::ref_ptr<osg::Object> > (this=<optimized out>, __p=<optimized out>)
    at /usr/include/c++/7/ext/new_allocator.h:140
#76 std::allocator_traits<std::allocator<std::_List_node<osg::ref_ptr<osg::Object> > > >::destroy<osg::ref_ptr<osg::Object> > (__a=..., __p=<optimized out>)
    at /usr/include/c++/7/bits/alloc_traits.h:487
#77 std::__cxx11::_List_base<osg::ref_ptr<osg::Object>, std::allocator<osg::ref_ptr<osg::Object> > >::_M_clear (this=this@entry=0x7febb53fea30)
    at /usr/include/c++/7/bits/list.tcc:76
#78 0x00007febf33a03c5 in std::__cxx11::_List_base<osg::ref_ptr<osg::Object>, std::allocator<osg::ref_ptr<osg::Object> > >::~_List_base (this=0x7febb53fea30, 
    __in_chrg=<optimized out>) at /usr/include/c++/7/bits/stl_list.h:442
#79 std::__cxx11::list<osg::ref_ptr<osg::Object>, std::allocator<osg::ref_ptr<osg::Object> > >::~list (this=0x7febb53fea30, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_list.h:733
#80 osgDB::DatabasePager::DatabaseThread::run (this=0x7febe4eaf200)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgDB/DatabasePager.cpp:740
#81 0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febe4eaf218)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#82 0x00007febf3b22494 in start_thread (arg=0x7febb53ff700)
    at pthread_create.c:333
#83 0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7febc73ff700 (LWP 4386)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba3573752b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febc73ff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7febdcbff700 (LWP 4382)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba35bf26e3 in simgear::SGTerraSync::WorkerThread::runInternal() ()
#3  0x000055ba35bf34e7 in simgear::SGTerraSync::WorkerThread::run() ()
#4  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#5  0x00007febf3b22494 in start_thread (arg=0x7febdcbff700)
    at pthread_create.c:333
#6  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7febc93ff700 (LWP 4385)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055ba35bb74df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055ba35af33af in (anonymous namespace)::Resolver::run() ()
#3  0x000055ba35bb767a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007febf3b22494 in start_thread (arg=0x7febc93ff700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7febe37fd700 (LWP 4379)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007febf1dc4beb in OpenThreads::Barrier::block (this=<optimized out>, 
    numThreads=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadBarrier.cpp:183
#2  0x00007febf217ecc5 in osg::OperationThread::run (this=0x7febe63493c0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#3  0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febe63493d8)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007febf3b22494 in start_thread (arg=0x7febe37fd700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7febe3ffe700 (LWP 4378)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007febf1dc4beb in OpenThreads::Barrier::block (this=<optimized out>, 
    numThreads=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadBarrier.cpp:183
#2  0x00007febf217ecc5 in osg::OperationThread::run (this=0x7febe63492e0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#3  0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febe63492f8)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007febf3b22494 in start_thread (arg=0x7febe3ffe700)
    at pthread_create.c:333
#5  0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7febe2ffc700 (LWP 4380)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007febef2bc42a in __GI_abort () at abort.c:89
#2  0x000055ba3507c12d in fg_terminate() ()
#3  0x00007febefbcf956 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007febefbcf9a1 in std::terminate() ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007febefbd06ff in __cxa_pure_virtual ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007febf20c28f6 in osg::GLBufferObject::compileBuffer (
    this=this@entry=0x7febe2033080)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:163
#7  0x00007febf2113642 in osg::State::bindVertexBufferObject (
    vbo=0x7febe2033080, this=0x7febe4dc8a00)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/State:514
#8  osg::State::setVertexPointer (array=0x7feb9bd00c00, this=0x7febe4dc8a00)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/State:665
#9  osg::Geometry::drawVertexArraysImplementation (
    this=this@entry=0x7feb9bd30400, renderInfo=...)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:789
#10 0x00007febf2113fb6 in osg::Geometry::drawImplementation (
    this=0x7feb9bd30400, renderInfo=...)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:741
#11 0x00007febf2bb75f8 in osg::Drawable::draw (renderInfo=..., 
    this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/Drawable:584
#12 osgUtil::RenderLeaf::render (this=0x7febe105c6a0, renderInfo=..., 
    previous=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderLeaf.cpp:81
#13 0x00007febf2bb20a5 in osgUtil::RenderBin::drawImplementation (
    this=this@entry=0x7febe60b3f00, renderInfo=..., 
    previous=@0x7febe2ffba88: 0x7febe111dc40)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderBin.cpp:487
#14 0x00007febf2bbcbd2 in osgUtil::RenderStage::drawImplementation (
    this=0x7febe60b3f00, renderInfo=..., 
    previous=@0x7febe2ffba88: 0x7febe111dc40)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderStage.cpp:1408
#15 0x00007febf2bb2b0b in osgUtil::RenderBin::draw (
    this=this@entry=0x7febe60b3f00, renderInfo=..., 
    previous=@0x7febe2ffba88: 0x7febe111dc40)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderBin.cpp:430
#16 0x00007febf2bbbfa4 in osgUtil::RenderStage::drawInner (
    this=0x7febe60b3f00, renderInfo=..., 
    previous=@0x7febe2ffba88: 0x7febe111dc40, 
    doCopyTexture=@0x7febe2ffb9c7: false)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderStage.cpp:937
#17 0x00007febf2bbd419 in osgUtil::RenderStage::draw (this=0x7febe60b3f00, 
    renderInfo=..., previous=@0x7febe2ffba88: 0x7febe111dc40)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderStage.cpp:1249
#18 0x00007febf2bc5cd6 in osgUtil::SceneView::draw (this=0x7febe4eba400)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/SceneView.cpp:1366
#19 0x00007febf27d70df in osgViewer::Renderer::draw (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgViewer/Renderer.cpp:764
#20 0x00007febf212f8c9 in osg::GraphicsContext::runOperations (
    this=0x7febe60ab3c0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/GraphicsContext.cpp:773
#21 0x00007febf217ecc5 in osg::OperationThread::run (
    this=this@entry=0x7febe6349120)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#22 0x00007febf2131548 in osg::GraphicsThread::run (this=0x7febe6349120)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/GraphicsThread.cpp:38
#23 0x00007febf1dc48e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7febe6349138)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#24 0x00007febf3b22494 in start_thread (arg=0x7febe2ffc700)
    at pthread_create.c:333
#25 0x00007febef370abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
(gdb) q