good old segfault.... 

Developer Backtrace:
Log: [ 1]  ./ut2004-bin [0x86c915c]
Log: [ 2]  /lib/libpthread.so.0 [0x4003d815]
Log: [ 3]  /lib/libc.so.6 [0x4013a4a8]
Log: [ 4]  ./ut2004-bin [0x81d30b0]
Log: [ 5] 
./ut2004-bin(KHandleCollisions__FP22_McdModelPairContainerP6ULevel+0xdd) [0x81d31f9]
Log: [ 6]  ./ut2004-bin(KUpdateContacts__FRt6TArray1ZP6AActorP6ULeveli+0x74f)
[0x81d11c3]
Log: [ 7]  ./ut2004-bin(KTickLevelKarma__FP6ULevelf+0x234) [0x8603028]
Log: [ 8]  ./ut2004-bin(Tick__6ULevel10ELevelTickf+0x35b) [0x82df03b]
Log: [ 9]  ./ut2004-bin(Tick__11UGameEnginef+0x3cf) [0x82889b7]
Log: [10]  ./ut2004-bin(SDL_SetVideoMode+0x83f) [0x814dac3]
Log: [11]  ./ut2004-bin(main+0x69bc) [0x815849c]
Log: [12]  /lib/libc.so.6(__libc_start_main+0xc6) [0x40126dc6]
Log: [13]  ./ut2004-bin(getlogin+0xad) [0x814d361]
Log: Unreal Call Stack: KIntersect <- KIntersectEach <- KHandleCollisions <-
KUpdateContacts <- KTickLevelKarma <- TickAllActors <- U
Level::Tick <- TickLevel <- UGameEngine::Tick <- UpdateWorld <- MainLoop
Exit: Exiting.
Log: FileManager: Reading 0 GByte 491 MByte 531 KByte 128 Bytes from HD took
55.745495 seconds (32.826691 reading, 22.918804 seeking)
.
Log: FileManager: 0.000000 seconds spent with misc. duties
Uninitialized: Name subsystem shut down
Uninitialized: Allocation checking disabled
Uninitialized: Log file closed, Sat Mar 20 20:38:43 2004