Here is my latest bt report: ron@ron-MS-7057:~$ gdb widelands GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i686-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/games/widelands...Reading symbols from /usr/lib/debug/usr/games/widelands...done. done. (gdb) r Starting program: /usr/games/widelands [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". Set home directory: /home/ron/.widelands No version file found There's no configuration file, using default values. Adding directory:/usr/share/games/widelands Version file found with id "bzr6720-201308141113" (real "bzr6720-201308141113" ) No version file found Adding directory:/usr/share/games/widelands Version file found with id "bzr6720-201308141113" (real "bzr6720-201308141113" ) No version file found Adding directory:. No version file found Adding directory: /usr/games No version file found selected language: (system language) using locale en_US.UTF-8 SDL_VIDEODRIVER=& Graphics: Trying Video driver: 0 x11 SDL_VIDEODRIVER=x11 Graphics: Trying opengl Graphics: Try to set Videomode 800x600 32Bit Graphics: Setting video mode was successful Graphics: OpenGL: OpenGL enabled Graphics: OpenGL: Double buffering enabled Graphics: OpenGL: Max texture size: 4096 Graphics: OpenGL: Number of aux buffers: 4 Graphics: OpenGL: Number of stencil buffer bits: 0 Graphics: OpenGL: Maximum number of textures for multitextures: 4 Graphics: OpenGL: Version 2.1 "2.1.2 NVIDIA 304.88" Graphics: OpenGL: Textures may have any size Graphics: OpenGL: Multitexture capabilities sufficient **** GRAPHICS REPORT **** VIDEO DRIVER x11 hw surface possible 0 window manager available 1 blitz_hw 0 blitz_hw_CC 0 blitz_hw_A 0 blitz_sw 0 blitz_sw_CC 0 blitz_sw_A 0 blitz_fill 0 video_mem 0 vfmt 0x8698ff0 size 800 600 **** END GRAPHICS REPORT **** Graphics: flags: 2 [New Thread 0xb364fb40 (LWP 2215)] [Thread 0xb364fb40 (LWP 2215) exited] [New Thread 0xb364fb40 (LWP 2216)] [] Section [global], key 'EXENAME' not used (did you spell the name correctly?) Sound_Handler: loaded song "music/intro_00.ogg" Sound_Handler: loaded song "music/menu_00.ogg" selected language: (system language) using locale en_US.UTF-8 selected language: (system language) using locale en_US.UTF-8 Registering script: (aux,coroutine) Registering script: (aux,format_help) Registering script: (aux,formatting) Registering script: (aux,infrastructure) Registering script: (aux,objective_utils) Registering script: (aux,set) Registering script: (aux,table) Registering script: (aux,ui) Registering script: (aux,win_condition_functions) Registering script: (aux,win_condition_texts) Registering script: (tribe_atlanteans,sc00_headquarters_medium) Registering script: (tribe_atlanteans,sc01_castle_village) Registering script: (aux,coroutine) Registering script: (aux,format_help) Registering script: (aux,formatting) Registering script: (aux,infrastructure) Registering script: (aux,objective_utils) Registering script: (aux,set) Registering script: (aux,table) Registering script: (aux,ui) Registering script: (aux,win_condition_functions) Registering script: (aux,win_condition_texts) Registering script: (tribe_barbarians,sc00_headquarters_medium) Registering script: (tribe_barbarians,sc01_citadel_village) Registering script: (aux,coroutine) Registering script: (aux,format_help) Registering script: (aux,formatting) Registering script: (aux,infrastructure) Registering script: (aux,objective_utils) Registering script: (aux,set) Registering script: (aux,table) Registering script: (aux,ui) Registering script: (aux,win_condition_functions) Registering script: (aux,win_condition_texts) Registering script: (tribe_empire,sc00_headquarters_medium) Registering script: (tribe_empire,sc01_castle_village) Registering script: (aux,coroutine) Registering script: (aux,format_help) Registering script: (aux,formatting) Registering script: (aux,infrastructure) Registering script: (aux,objective_utils) Registering script: (aux,set) Registering script: (aux,table) Registering script: (aux,ui) Registering script: (aux,win_condition_functions) Registering script: (aux,win_condition_texts) Registering script: (win_conditions,00_endless_game) Registering script: (win_conditions,01_defeat_all) Registering script: (win_conditions,02_collectors) Registering script: (win_conditions,03_territorial_lord) Registering script: (win_conditions,03_territorial_time) Registering script: (win_conditions,04_wood_gnome) Registering script: (win_conditions,05_endless_game_fogless) Registering script: (aux,coroutine) Registering script: (aux,format_help) Registering script: (aux,formatting) Registering script: (aux,infrastructure) Registering script: (aux,objective_utils) Registering script: (aux,set) Registering script: (aux,table) Registering script: (aux,ui) Registering script: (aux,win_condition_functions) Registering script: (aux,win_condition_texts) Registering script: (win_conditions,00_endless_game) Registering script: (win_conditions,01_defeat_all) Registering script: (win_conditions,02_collectors) Registering script: (win_conditions,03_territorial_lord) Registering script: (win_conditions,03_territorial_time) Registering script: (win_conditions,04_wood_gnome) Registering script: (win_conditions,05_endless_game_fogless) No version file found Parsing world bobs... Parsing global bobs in world... Parsing map gen info... Registering script: (tribe_empire,sc00_headquarters_medium) Registering script: (tribe_empire,sc01_castle_village) Compatibility ware "flax"="thatchreed" loaded. Registering script: (tribe_barbarians,sc00_headquarters_medium) Registering script: (tribe_barbarians,sc01_citadel_village) Reading Elemental Data ... done! Reading Player Names And Tribe Data ... done! Reading Heights Data ... done! Reading Terrain Data ... done! Reading Map Objects ... done Reading Player Start Position Data ... done! Reading Bob Data ... done! Reading Resources Data ... done! Reading Map Extra Data ... done! Reading Allowed Worker Types Data ... done! Reading Allowed Building Types Data ... done! Reading Node Ownership Data ... done! Reading Exploration Data ... done! Reading AreaWatchers Data ... done! Reading Flag Data ... done! Reading Road Data ... done! Reading Building Data ... done! Reading Map Ware Data ... done! Reading Flagdata Data ... done! Reading Roaddata Data ... done! Reading Buildingdata Data ... done! Reading Waredata Data ... done! Reading Bobdata Data ... done! Second and third phase loading Map Objects ... done Reading Players View Data ... done! Reading Player Message Data ... done! Reading Objective Data ... done! Reading Scripting Data ... done! WARNING: There are 208 unloaded objects. This is a bug, please consider committing! Registering script: (win_conditions,00_endless_game) Registering script: (tribe_empire,sc00_headquarters_medium) Registering script: (tribe_barbarians,sc00_headquarters_medium) Starting replay writer Game: Writing Preload Data ... done Game: Writing Game Class Data ... done Game: Writing Player Info ... done Game: Writing Map Data! Writing Elemental Data ... done! Writing Player Names And Tribe Data ... done! Writing Port Spaces Data ... done! Writing Heights Data ... done! Writing Terrain Data ... done! Writing Player Start Position Data ... done! Writing Player Message Data ... done! Writing Resources Data ... done! Writing Map Extra Data ... done! Writing Allowed Worker Types Data ... done! Writing Flag Data ... done! Writing Road Data ... done! Writing Building Data ... done! Writing Area Watchers Data ... done! Writing Map Objects ... done! Writing Node Ownership Data ... done! Writing Exploration Data ... done! Writing Players Unseen Data ... done! Writing Scripting Data ... nwritten: 13115 done! Writing Objective Data ... done! Game: Writing Map Data done! Game: Writing Player Economies Info ... done Game: Writing Command Queue Data ... nwritten: 2447 nwritten: 2304 nwritten: 810 done Game: Writing Interactive Player Data ... done Reloading the game from replay Game: Reading Preload Data ... done Game: Reading Game Class Data ... done Game: Reading Map Data ... No version file found Parsing world bobs... Parsing global bobs in world... Parsing map gen info... done Game: Reading Player Info ... Registering script: (tribe_empire,sc00_headquarters_medium) Registering script: (tribe_empire,sc01_castle_village) Compatibility ware "flax"="thatchreed" loaded. Registering script: (tribe_barbarians,sc00_headquarters_medium) Registering script: (tribe_barbarians,sc01_citadel_village) done Game: Reading Map Data Complete! Reading Elemental Data ... done! Reading Player Names And Tribe Data ... done! Reading Port Spaces Data ... done! Reading Heights Data ... done! Reading Terrain Data ... done! Reading Map Objects ... done Reading Player Start Position Data ... done! Reading Resources Data ... done! Reading Map Extra Data ... done! Reading Allowed Worker Types Data ... done! Reading Allowed Building Types Data ... done! Reading Node Ownership Data ... done! Reading Exploration Data ... done! Reading AreaWatchers Data ... done! Reading Flag Data ... done! Reading Road Data ... done! Reading Building Data ... done! Reading Flagdata Data ... done! Reading Roaddata Data ... done! Reading Buildingdata Data ... done! Second and third phase loading Map Objects ... done Reading Players View Data ... Vision check successful for player 1 Vision check successful for player 2 done! Reading Player Message Data ... done! Reading Objective Data ... done! Reading Scripting Data ... done! Game: Reading Map Data Complete done! Game: Reading Player Economies Info ... done Game: Reading Command Queue Data ... done Game: Parsing messages ... done Game: Reading Interactive Player Data ... done Done reloading the game from replay Replay writer has started [sync] Reset ComputerPlayer(2): initializing (1) Forcing flag at (11, 122) Message: adding (wh) (warehouse) 1 Forcing flag at (33, 55) Message: adding (wh) (warehouse) 2 Program received signal SIGFPE, Arithmetic exception. 0x08426055 in Widelands::DismantleSite::draw (this=0xba4de90, game=..., dst=..., coords=..., pos=...) at /build/buildd/widelands-17-ppa0-bzr6720/src/logic/dismantlesite.cc:267 267 /build/buildd/widelands-17-ppa0-bzr6720/src/logic/dismantlesite.cc: No such file or directory. (gdb) bt #0 0x08426055 in Widelands::DismantleSite::draw (this=0xba4de90, game=..., dst=..., coords=..., pos=...) at /build/buildd/widelands-17-ppa0-bzr6720/src/logic/dismantlesite.cc:267 #1 0x082d902d in GameRenderer::draw_objects (this=0xa471678) at /build/buildd/widelands-17-ppa0-bzr6720/src/graphic/render/gamerenderer.cc:152 #2 0x082d5b3b in GameRendererGL::draw (this=0xa471678) at /build/buildd/widelands-17-ppa0-bzr6720/src/graphic/render/gamerenderer_gl.cc:143 #3 0x0826050a in Map_View::draw (this=0x8faae90, dst=...) at /build/buildd/widelands-17-ppa0-bzr6720/src/wui/mapview.cc:108 #4 0x082fb1ac in do_draw_inner (dst=..., this=) at /build/buildd/widelands-17-ppa0-bzr6720/src/ui_basic/panel.cc:841 #5 UI::Panel::do_draw (this=0x8faae90, dst=...) at /build/buildd/widelands-17-ppa0-bzr6720/src/ui_basic/panel.cc:895 #6 0x082fc367 in UI::Panel::run (this=0x8faae90) at /build/buildd/widelands-17-ppa0-bzr6720/src/ui_basic/panel.cc:210 #7 0x083b5848 in Widelands::Game::run (this=0xbfffcd28, loader_ui=0xbfffccac, start_game_type=Widelands::Game::NewNonScenario) at /build/buildd/widelands-17-ppa0-bzr6720/src/logic/game.cc:577 #8 0x0817c014 in WLApplication::new_game (this=0x866d740) at /build/buildd/widelands-17-ppa0-bzr6720/src/wlapplication.cc:2033 #9 0x0817c46c in WLApplication::mainmenu_singleplayer (this=0x866d740) ---Type to continue, or q to quit--- at /build/buildd/widelands-17-ppa0-bzr6720/src/wlapplication.cc:1646 #10 0x0817f464 in WLApplication::mainmenu (this=0x866d740) at /build/buildd/widelands-17-ppa0-bzr6720/src/wlapplication.cc:1567 #11 0x0817f9fb in WLApplication::run (this=0x866d740) at /build/buildd/widelands-17-ppa0-bzr6720/src/wlapplication.cc:469 #12 0x08170b12 in main (argc=1, argv=0xbffff434) at /build/buildd/widelands-17-ppa0-bzr6720/src/main.cc:103 (gdb) (gdb)