bt

(gdb) bt
#0  0x00007f191966ab5d in nanosleep () from /lib/libc.so.6
#1  0x00007f191966aa01 in sleep () from /lib/libc.so.6
#2  0x0000000000790121 in udbg_launch_debugger ()
    at ../../../source/lib/sysdep/os/unix/udbg.cpp:83
#3  0x000000000078fe45 in sys_display_error (
    text=0x7f18db85e000 L"Assertion failed: \"m_Handle\"\r\nLocation: VertexBuffer.cpp:181 (UpdateChunkVertices)\r\n\r\nCall stack:\r\n\r\n(0x78a0aa) ./pyrogenesis() [0x78a0aa]\n(0x739d31) ./pyrogenesis() [0x739d31]\n(0x739f2d) ./pyrogenesi"..., flags=<optimized out>) at ../../../source/lib/sysdep/os/unix/unix.cpp:242
#4  0x000000000073a03b in CallDisplayError (flags=6, 
    text=0x7f18db85e000 L"Assertion failed: \"m_Handle\"\r\nLocation: VertexBuffer.cpp:181 (UpdateChunkVertices)\r\n\r\nCall stack:\r\n\r\n(0x78a0aa) ./pyrogenesis() [0x78a0aa]\n(0x739d31) ./pyrogenesis() [0x739d31]\n(0x739f2d) ./pyrogenesi"...) at ../../../source/lib/debug.cpp:378
#5  debug_DisplayError (description=<optimized out>, 
    description@entry=0x7fff647cdc00 L"Assertion failed: \"m_Handle\"", 
    flags=6, flags@entry=4, context=context@entry=0x7fff647ce240, 
    lastFuncToSkip=0x6c4a4d8 L"debug_OnAssertionFailure", 
    pathname=<optimized out>, 
    pathname@entry=0x805bb8 L"../../../source/renderer/VertexBuffer.cpp", 
    line=line@entry=181, func=<optimized out>, 
    func@entry=0x805da0 "UpdateChunkVertices", 
    suppress=suppress@entry=0xad6110) at ../../../source/lib/debug.cpp:469
---Type <return> to continue, or q <return> to quit---
#6  0x000000000073abf2 in ShouldSuppressError (suppress=0xad6110)
    at ../../../source/lib/debug.cpp:366
#7  debug_DisplayError (suppress=0xad6110, 
    func=0x805da0 "UpdateChunkVertices", line=181, 
    pathname=0x805bb8 L"../../../source/renderer/VertexBuffer.cpp", 
    lastFuncToSkip=<optimized out>, context=0x7fff647ce240, flags=4, 
    description=0x7fff647cdc00 L"Assertion failed: \"m_Handle\"")
    at ../../../source/lib/debug.cpp:432
#8  debug_OnAssertionFailure (expr=0x805c60 L"m_Handle", suppress=0xad6110, 
    file=0x805bb8 L"../../../source/renderer/VertexBuffer.cpp", line=181, 
    func=0x805da0 "UpdateChunkVertices") at ../../../source/lib/debug.cpp:558
#9  0x000000000066e617 in CVertexBuffer::UpdateChunkVertices (this=0x16ed530, 
    chunk=0x130f5f0, data=0x6c50120)
    at ../../../source/renderer/VertexBuffer.cpp:181
#10 0x000000000064dafc in CParticleEmitter::CParticleEmitter (this=0x6c49f40, 
    type=...) at ../../../source/graphics/ParticleEmitter.cpp:77
#11 0x000000000064df51 in CModelParticleEmitter::CModelParticleEmitter (
    this=0x6c4fec0, type=...)
    at ../../../source/graphics/ParticleEmitter.cpp:226
#12 0x000000000061c6b7 in CObjectEntry::BuildVariation (this=0x6c44950, 
    selections=..., variationKey=..., objectManager=...)
    at ../../../source/graphics/ObjectEntry.cpp:98
#13 0x0000000000623a4d in CObjectManager::FindObjectVariation (this=0x1ebda38, 
---Type <return> to continue, or q <return> to quit---
    base=0x6c54840, selections=...)
    at ../../../source/graphics/ObjectManager.cpp:148
#14 0x000000000061b890 in CObjectEntry::BuildVariation (this=0x6c62080, 
    selections=..., variationKey=..., objectManager=...)
    at ../../../source/graphics/ObjectEntry.cpp:187
#15 0x0000000000623a4d in CObjectManager::FindObjectVariation (this=0x1ebda38, 
    base=0x6bf9d60, selections=...)
    at ../../../source/graphics/ObjectManager.cpp:148
#16 0x00000000005bc7d7 in CUnit::Create (actorName=..., seed=113, 
    selections=..., objectManager=...) at ../../../source/graphics/Unit.cpp:59
#17 0x00000000005fc9e1 in CUnitManager::CreateUnit (this=0x2ba0340, 
    actorName=..., seed=<optimized out>, selections=...)
    at ../../../source/graphics/UnitManager.cpp:95
#18 0x00000000004c6ffa in CCmpVisualActor::Init (this=0x6c543d0, paramNode=...)
    at ../../../source/simulation2/components/CCmpVisualActor.cpp:152
#19 0x000000000047e34a in AddComponent (paramNode=..., cid=<optimized out>, 
    ent=113, this=0x3fd8ec8)
    at ../../../source/simulation2/system/ComponentManager.cpp:579
#20 CComponentManager::AddEntity (this=0x3fd8ec8, templateName=..., ent=113)
    at ../../../source/simulation2/system/ComponentManager.cpp:677
#21 0x00000000006163d9 in CXMLReader::ReadEntities (this=this@entry=0x63aa4c0, 
    parent=..., end_time=36.994651727000004, 
    end_time@entry=<error reading variable: Could not find type for DW_OP_GNU_co---Type <return> to continue, or q <return> to quit---
nst_type>) at ../../../source/graphics/MapReader.cpp:920
#22 0x00000000006193d5 in CXMLReader::ProgressiveRead (
    this=this@entry=0x63aa4c0) at ../../../source/graphics/MapReader.cpp:986
#23 0x00000000006195e2 in CMapReader::ReadXML (this=0x3e86850)
    at ../../../source/graphics/MapReader.cpp:1056
#24 0x000000000060fe35 in MemFunThunk<CMapReader> (param=0x4259600)
    at ../../../source/ps/LoaderThunks.h:60
#25 0x0000000000554a4b in LDR_ProgressiveLoad (time_budget=<optimized out>, 
    description=0x7fff647d00f0 L"CMapReader::ReadXML", max_chars=100, 
    progress_percent=0x7fff647cfe3c) at ../../../source/ps/Loader.cpp:228
#26 0x000000000041f718 in ProgressiveLoad () at ../../../source/main.cpp:232
#27 Frame () at ../../../source/main.cpp:342
#28 RunGameOrAtlas (argc=argc@entry=1, argv=argv@entry=0x7fff647d03e8)
    at ../../../source/main.cpp:526
#29 0x0000000000419fa7 in main (argc=1, argv=0x7fff647d03e8)
    at ../../../source/main.cpp:569
(gdb)