Package: xmoto Version: 0.3.4-1 Severity: normal With optimisation:
$ gdb --args xmoto --nogfx GNU gdb 6.6.90.20070912-debian Copyright (C) 2007 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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 "i486-linux-gnu"... Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1". (gdb) r Starting program: /usr/games/xmoto --nogfx [Thread debugging using libthread_db enabled] [New Thread 0xb74276c0 (LWP 1113)] [New Thread 0xb72d6b90 (LWP 1116)] [New Thread 0xb6ad5b90 (LWP 1117)] [Thread 0xb6ad5b90 (LWP 1117) exited] [New Thread 0xb62d4b90 (LWP 1118)] [Thread 0xb62d4b90 (LWP 1118) exited] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb74276c0 (LWP 1113)] DrawLib::isNoGraphics (this=0xbfb0b29c) at drawlib/DrawLib.cpp:241 241 bool DrawLib::isNoGraphics() { (gdb) bt #0 DrawLib::isNoGraphics (this=0xbfb0b29c) at drawlib/DrawLib.cpp:241 #1 0x0817a932 in main (nNumArgs=-1078937228, ppcArgs=0xbfb0b29c) at GameInit.cpp:58 And without optimisation: $ gdb --args xmoto --nogfx GNU gdb 6.6.90.20070912-debian Copyright (C) 2007 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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 "i486-linux-gnu"... Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1". (gdb) r Starting program: /usr/games/xmoto --nogfx [Thread debugging using libthread_db enabled] [New Thread 0xb74296c0 (LWP 20850)] [New Thread 0xb72d8b90 (LWP 20853)] [New Thread 0xb6ad7b90 (LWP 20854)] [New Thread 0xb62d6b90 (LWP 20855)] [Thread 0xb6ad7b90 (LWP 20854) exited] [Thread 0xb62d6b90 (LWP 20855) exited] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb74296c0 (LWP 20850)] 0x0809dc8c in DrawLib::isNoGraphics (this=0x0) at drawlib/DrawLib.cpp:242 242 return m_bNoGraphics; (gdb) bt #0 0x0809dc8c in DrawLib::isNoGraphics (this=0x0) at drawlib/DrawLib.cpp:242 #1 0x0816c3eb in GameApp::run (this=0xbffae74c, nNumArgs=2, ppcArgs=0xbffaef64) at GameInit.cpp:194 #2 0x0816c77b in main (nNumArgs=2, ppcArgs=0xbffaef64) at GameInit.cpp:58 frame 1 #1 0x0816c3eb in GameApp::run (this=0xbffae74c, nNumArgs=2, ppcArgs=0xbffaef64) at GameInit.cpp:194 194 if(!drawLib->isNoGraphics()) { (gdb) l 189 /* Now perform user init */ 190 userInit(&v_xmArgs); 191 192 /* Enter the main loop */ 193 while(!m_bQuit) { 194 if(!drawLib->isNoGraphics()) { 195 /* Handle SDL events */ 196 SDL_PumpEvents(); 197 198 SDL_Event Event; (gdb) p drawLib $1 = (class DrawLib *) 0x0 It looks fairly obvious what the problem is - using drawLib without it being initialised properly. Similar segfaults occur at other locations, but once those are fixed, there is a stack corruption issue. I'd suggest that you contact upstream to ask that they fix this. -- System Information: Debian Release: lenny/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: i386 (i686) Kernel: Linux 2.6.22-3-686 (SMP w/2 CPU cores) Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages xmoto depends on: ii libbz2-1.0 1.0.3-7 high-quality block-sorting file co ii libc6 2.6.1-6 GNU C Library: Shared libraries ii libcurl3-gnutls 7.17.0-1 Multi-protocol file transfer libra ii libgcc1 1:4.2.2-3 GCC support library ii libgl1-mesa-glx [libgl1 7.0.1-2 A free implementation of the OpenG ii libglu1-mesa [libglu1] 7.0.1-2 The OpenGL utility library (GLU) ii libjpeg62 6b-14 The Independent JPEG Group's JPEG ii liblua5.1-0 5.1.2-4 Simple, extensible, embeddable pro ii libode0debian1 1:0.8.dfsg-3 Open Dynamics Engine - runtime lib ii libpng12-0 1.2.15~beta5-3 PNG library - runtime ii libsdl-mixer1.2 1.2.8-1 mixer library for Simple DirectMed ii libsdl-ttf2.0-0 2.0.9-1 ttf library for Simple DirectMedia ii libsdl1.2debian 1.2.12-1 Simple DirectMedia Layer ii libsqlite3-0 3.4.2-2 SQLite 3 shared library ii libstdc++6 4.2.2-3 The GNU Standard C++ Library v3 ii xmoto-data 0.3.4-1 2D motocross platform game ii zlib1g 1:1.2.3.3.dfsg-7 compression library - runtime -- bye, pabs http://wiki.debian.org/PaulWise
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