Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb795db40 (LWP 2397)]
0x08521ffc in Urho3D::Renderer2D::ProcessRayQuery(Urho3D::RayOctreeQuery const&, Urho3D::PODVector<Urho3D::RayQueryResult>&) ()
(gdb) backtrace
#0  0x08521ffc in Urho3D::Renderer2D::ProcessRayQuery(Urho3D::RayOctreeQuery const&, Urho3D::PODVector<Urho3D::RayQueryResult>&) ()
#1  0x08215085 in Urho3D::RaycastDrawablesWork(Urho3D::WorkItem const*, unsigned int) ()
#2  0x08401350 in Urho3D::WorkQueue::ProcessItems(unsigned int) ()
#3  0x08402b6f in Urho3D::WorkerThread::ThreadFunction() ()
#4  0x081f9ecf in Urho3D::ThreadFunctionStatic(void*) ()
#5  0xb7fa4f70 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb7ce8bee in clone () from /lib/i386-linux-gnu/libc.so.6