(gdb) bt
#0  0x08168987 in idBTree<idDynamicBlock<idDrawVert>, int, 4>::Remove (this=0x8812908, node=0xffffff) at renderer/../framework/../idlib/containers/BTree.h:180
#1  0x08168e6a in idDynamicBlockAlloc<idDrawVert, 1048576, 1024, false>::AllocInternal (this=0x8812900, num=1024) at renderer/../framework/../idlib/Heap.h:917
#2  0x0817646c in idDynamicBlockAlloc<idDrawVert, 1048576, 1024, false>::Alloc (this=0x8812900, num=1024) at renderer/../framework/../idlib/Heap.h:600
#3  0x08161c6b in R_AllocStaticTriSurfVerts (tri=0xef655f0, numVerts=1024) at renderer/tr_trisurf.cpp:598
#4  0x080997ab in idRenderModelStatic::AllocSurfaceTriangles (this=0xfc9b568, numVerts=1024, numIndexes=2880) at renderer/Model.cpp:542
#5  0xf55d355b in sdHardcodedParticleSystem::AddSurface (this=0xfd19010, material=0xd9360c0, numVerts=1024, numIndexes=2880) at game/effects/HardcodedParticleSystem.cpp:90
#6  0xf55d87c5 in sdTireTreadManagerLocal::Init (this=0xf5a33ea0) at game/effects/TireTread.cpp:344
#7  0xf50da49a in idGameLocal::OnPreMapStart (this=0xf58bbb40) at game/Game_local.cpp:2647
#8  0xf50db3ed in idGameLocal::LocalMapRestart (this=0xf58bbb40) at game/Game_local.cpp:2479
#9  0xf51b0259 in sdGameRulesObjective::OnGameState_GameOn (this=0x98a2c54) at game/rules/GameRules_Objective.cpp:204
#10 0xf51a40c5 in sdGameRules::NewState (this=0x98a2c54, news=sdGameRules::GS_GAMEON) at game/rules/GameRules.cpp:897
#11 0xf51a4824 in sdGameRules::Run (this=0x98a2c54) at game/rules/GameRules.cpp:1023
#12 0xf50d912c in idGameLocal::RunFrame (this=0xf58bbb40, clientCmds=0xfff0bad0, elapsedTime=33) at game/Game_local.cpp:3882
#13 0x0820ee7a in idAsyncServer::RunFrame (this=0x88dbe80) at framework/async/AsyncServer.cpp:3438
#14 0x08205e65 in idAsyncNetwork::RunFrame () at framework/async/AsyncNetwork.cpp:398
#15 0x0818774f in idCommonLocal::Frame (this=0x8850ca0) at framework/Common.cpp:2329
#16 0x082cf7b9 in main (argc=13, argv=0xfff0c094) at sys/posix/main.cpp:76