GNU gdb (Debian 7.12-6+b1) 7.12.0.20161007-git
Copyright (C) 2016 Free Software Foundation, Inc.
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Reading symbols from ./fg.git/bin/fgfs...(no debugging symbols found)...done.
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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 0x7f86a2bfc700 (LWP 8621))]

Thread 17 (Thread 0x7f86a43ff700 (LWP 8618)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f86b1985beb 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  0x00007f86b1d3fcc5 in osg::OperationThread::run (this=0x7f86a5f49200)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#3  0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86a5f49218)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007f86b36e3494 in start_thread (arg=0x7f86a43ff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 16 (Thread 0x7f8686fff700 (LWP 8629)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x0000556486ca952b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f8686fff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 15 (Thread 0x7f8674fff700 (LWP 8641)):
#0  osg::BufferObject::removeBufferData (this=0x7f865c0227e0, index=26598)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:1193
#1  0x00007f86b1c82cb2 in osg::BufferData::setBufferObject (
    this=this@entry=0x7f86406fdb60, bufferObject=bufferObject@entry=0x0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:1274
#2  0x00007f86b1c82d49 in osg::BufferData::~BufferData (this=0x7f86406fdb60, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:1265
#3  0x000055648679c5dc in osg::TemplateArray<osg::Vec3f, (osg::Array::Type)28, 3, 5126>::~TemplateArray() ()
#4  0x00007f86b1cd62b7 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=0x7f86406f6578, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/ref_ptr:35
#6  osg::Geometry::~Geometry (this=0x7f86406f6400, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:79
#7  0x00007f86b1cd6319 in osg::Geometry::~Geometry (this=0x7f86406f6400, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:85
#8  0x00007f86b1cf3c85 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=0x7f863c382b98)
    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=0x7f86407791d0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#15 osg::Group::~Group (this=0x7f8640779100, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#16 0x000055648723b2dd in simgear::EffectGeode::~EffectGeode() ()
#17 0x00007f86b1cf3c85 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=0x7f86406ffe90)
    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=0x7f8640778e10, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#24 osg::Group::~Group (this=0x7f8640778d40, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#25 0x00007f86b32241fb in osg::LOD::~LOD (this=0x7f8640778d40, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#26 osg::LOD::~LOD (this=0x7f8640778d40, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#27 0x00007f86b1cf3c85 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=0x7f86406503c8)
    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=0x7f86406793d0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#34 osg::Group::~Group (this=0x7f8640679300, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#35 0x00007f86b1cf3cc9 in osg::Group::~Group (this=0x7f8640679300, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:54
#36 0x00007f86b1cf3c85 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=0x7f863c389708)
    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=0x7f863c115ed0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#43 osg::Group::~Group (this=0x7f863c115e00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#44 0x00007f86b1cf3cc9 in osg::Group::~Group (this=0x7f863c115e00, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:54
#45 0x00007f86b1cf3c85 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=0x7f864067a200)
    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=0x7f86404440d0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#52 osg::Group::~Group (this=0x7f8640444000, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#53 0x00007f86b1d328e9 in osg::MatrixTransform::~MatrixTransform (
    this=0x7f8640444000, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/MatrixTransform.cpp:41
#54 0x00007f86b1cf3c85 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=0x7f86409cdbf0)
    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=0x7f86409d5550, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#61 osg::Group::~Group (this=0x7f86409d5480, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#62 0x00007f86b32241fb in osg::LOD::~LOD (this=0x7f86409d5480, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#63 osg::LOD::~LOD (this=0x7f86409d5480, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/LOD:130
#64 0x00007f86b1cf3c85 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=0x7f86409cdc18)
    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=0x7f86590c2ed0, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_vector.h:434
#71 osg::Group::~Group (this=0x7f86590c2e00, __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:44
#72 0x00007f86b1cf3cc9 in osg::Group::~Group (this=0x7f86590c2e00, 
    __in_chrg=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Group.cpp:54
#73 0x00007f86b2f6684a 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=0x7f8674ffea30)
    at /usr/include/c++/7/bits/list.tcc:76
#78 0x00007f86b2f613c5 in std::__cxx11::_List_base<osg::ref_ptr<osg::Object>, std::allocator<osg::ref_ptr<osg::Object> > >::~_List_base (this=0x7f8674ffea30, 
    __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=0x7f8674ffea30, __in_chrg=<optimized out>)
    at /usr/include/c++/7/bits/stl_list.h:733
#80 osgDB::DatabasePager::DatabaseThread::run (this=0x7f86a4aaf200)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgDB/DatabasePager.cpp:740
#81 0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86a4aaf218)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#82 0x00007f86b36e3494 in start_thread (arg=0x7f8674fff700)
    at pthread_create.c:333
#83 0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 14 (Thread 0x7f86a3bfe700 (LWP 8619)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f86b1985beb 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  0x00007f86b1d3fcc5 in osg::OperationThread::run (this=0x7f86a5f492e0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#3  0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86a5f492f8)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007f86b36e3494 in start_thread (arg=0x7f86a3bfe700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7f86a5bff700 (LWP 8636)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x000055648704f4db in logstream::LogStreamPrivate::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f86a5bff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7f86857fe700 (LWP 8631)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x0000556486ca952b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f86857fe700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7f8688fff700 (LWP 8626)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x00005564870653af in (anonymous namespace)::Resolver::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f8688fff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7f869b3ff700 (LWP 8637)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x0000556486b75a29 in NasalGCThread::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f869b3ff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7f86a21e8700 (LWP 8635)):
#0  0x00007f86aef2866d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f86a92a707e in ?? () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#2  0x00007f86a92a734b in snd_pcm_wait ()
   from /usr/lib/x86_64-linux-gnu/libasound.so.2
#3  0x00007f86b4500f0a in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
#4  0x00007f86b450c007 in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
#5  0x00007f86b36e3494 in start_thread (arg=0x7f86a21e8700)
    at pthread_create.c:333
#6  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7f8683ffe700 (LWP 8633)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f86b1985dfe 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  0x0000556486ca1d20 in FGVoiceMgr::FGVoiceThread::run() ()
#3  0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86876ce300)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007f86b36e3494 in start_thread (arg=0x7f8683ffe700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7f86847ff700 (LWP 8632)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x0000556486ca952b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f86847ff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7f86b4b63980 (LWP 8612)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f86b1985dfe in OpenThreads::Condition::wait (
    this=this@entry=0x7f86a4bfd770, mutex=mutex@entry=0x7f86a4bfd758)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadCondition.cpp:137
#2  0x00007f86b23c85e9 in OpenThreads::BlockCount::block (this=0x7f86a4bfd758)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/OpenThreads/Block:133
#3  osgViewer::ViewerBase::renderingTraversals (this=0x7f86a5caae80)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgViewer/ViewerBase.cpp:868
#4  0x0000556486e42eb6 in fgOSMainLoop() ()
#5  0x000055648663fce7 in fgMainInit(int, char**) ()
#6  0x00005564865dd18f in main ()

Thread 5 (Thread 0x7f86747fe700 (LWP 8642)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f86b1985dfe in OpenThreads::Condition::wait (
    this=this@entry=0x7f86a49b6cb0, mutex=mutex@entry=0x7f86a49b6c98)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThreadCondition.cpp:137
#2  0x00007f86b2f61305 in OpenThreads::Block::block (this=0x7f86a49b6c98)
    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=0x7f86a4aaf260)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgDB/DatabasePager.cpp:722
#5  0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86a4aaf278)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#6  0x00007f86b36e3494 in start_thread (arg=0x7f86747fe700)
    at pthread_create.c:333
#7  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7f8685fff700 (LWP 8630)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x0000556486ca952b in FLITEVoiceSynthesizer::WorkerThread::run() ()
#3  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#4  0x00007f86b36e3494 in start_thread (arg=0x7f8685fff700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f86a33fd700 (LWP 8620)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f86b1985beb 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  0x00007f86b1d3fcc5 in osg::OperationThread::run (this=0x7f86a5f493c0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#3  0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86a5f493d8)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#4  0x00007f86b36e3494 in start_thread (arg=0x7f86a33fd700)
    at pthread_create.c:333
#5  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f869c7ff700 (LWP 8623)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005564871294df in SGWaitCondition::wait(SGMutex&) ()
#2  0x00005564871646e3 in simgear::SGTerraSync::WorkerThread::runInternal() ()
#3  0x00005564871654e7 in simgear::SGTerraSync::WorkerThread::run() ()
#4  0x000055648712967a in SGThread::PrivateData::start_routine(void*) ()
#5  0x00007f86b36e3494 in start_thread (arg=0x7f869c7ff700)
    at pthread_create.c:333
#6  0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f86a2bfc700 (LWP 8621)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007f86aee7d42a in __GI_abort () at abort.c:89
#2  0x00005564865ee12d in fg_terminate() ()
#3  0x00007f86af790956 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f86af7909a1 in std::terminate() ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007f86af7916ff in __cxa_pure_virtual ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007f86b1c838f6 in osg::GLBufferObject::compileBuffer (
    this=this@entry=0x7f86547fb780)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/BufferObject.cpp:163
#7  0x00007f86b1cd4642 in osg::State::bindVertexBufferObject (
    vbo=0x7f86547fb780, this=0x7f86a49c8a00)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/State:514
#8  osg::State::setVertexPointer (array=0x7f86612212e0, this=0x7f86a49c8a00)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/include/osg/State:665
#9  osg::Geometry::drawVertexArraysImplementation (
    this=this@entry=0x7f86611b5e00, renderInfo=...)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:789
#10 0x00007f86b1cd4fb6 in osg::Geometry::drawImplementation (
    this=0x7f86611b5e00, renderInfo=...)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/Geometry.cpp:741
#11 0x00007f86b27785f8 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=0x7f86a10504c0, renderInfo=..., 
    previous=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderLeaf.cpp:81
#13 0x00007f86b27730a5 in osgUtil::RenderBin::drawImplementation (
    this=this@entry=0x7f86a5cb3f00, renderInfo=..., 
    previous=@0x7f86a2bfba88: 0x7f86a1069970)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderBin.cpp:487
#14 0x00007f86b277dbd2 in osgUtil::RenderStage::drawImplementation (
    this=0x7f86a5cb3f00, renderInfo=..., 
    previous=@0x7f86a2bfba88: 0x7f86a1069970)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderStage.cpp:1408
#15 0x00007f86b2773b0b in osgUtil::RenderBin::draw (
    this=this@entry=0x7f86a5cb3f00, renderInfo=..., 
    previous=@0x7f86a2bfba88: 0x7f86a1069970)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderBin.cpp:430
#16 0x00007f86b277cfa4 in osgUtil::RenderStage::drawInner (
    this=0x7f86a5cb3f00, renderInfo=..., 
    previous=@0x7f86a2bfba88: 0x7f86a1069970, 
    doCopyTexture=@0x7f86a2bfb9c7: false)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderStage.cpp:937
#17 0x00007f86b277e419 in osgUtil::RenderStage::draw (this=0x7f86a5cb3f00, 
    renderInfo=..., previous=@0x7f86a2bfba88: 0x7f86a1069970)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/RenderStage.cpp:1249
#18 0x00007f86b2786cd6 in osgUtil::SceneView::draw (this=0x7f86a4aba400)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgUtil/SceneView.cpp:1366
#19 0x00007f86b23980df in osgViewer::Renderer::draw (this=<optimized out>)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osgViewer/Renderer.cpp:764
#20 0x00007f86b1cf08c9 in osg::GraphicsContext::runOperations (
    this=0x7f86a5cab3c0)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/GraphicsContext.cpp:773
#21 0x00007f86b1d3fcc5 in osg::OperationThread::run (
    this=this@entry=0x7f86a5f49120)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/OperationThread.cpp:432
#22 0x00007f86b1cf2548 in osg::GraphicsThread::run (this=0x7f86a5f49120)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/osg/GraphicsThread.cpp:38
#23 0x00007f86b19858e1 in OpenThreads::ThreadPrivateActions::StartThread (
    data=0x7f86a5f49138)
    at /home/anders/FlightGear/build/OSG/jmt-osg.git/src/OpenThreads/pthreads/PThread.cpp:206
#24 0x00007f86b36e3494 in start_thread (arg=0x7f86a2bfc700)
    at pthread_create.c:333
#25 0x00007f86aef31abf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
(gdb) q