$ gdb GNU gdb 6.8-debian Copyright (C) 2008 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 "i486-linux-gnu". (gdb) attach 11150 Attaching to process 11150 Reading symbols from /home/fabio/games/prey-demo/prey-demo.x86...(no debugging symbols found)...done. Error while mapping shared library sections: ./libSDL-1.2.so.0: No such file or directory. Error while mapping shared library sections: ./libstdc++.so.5: No such file or directory. Error while mapping shared library sections: ./libgcc_s.so.1: No such file or directory. Symbol file not found for ./libSDL-1.2.so.0 Reading symbols from /lib/tls/i686/cmov/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] [New Thread 0xb7d596c0 (LWP 11150)] [New Thread 0x9b7ccb90 (LWP 11160)] [New Thread 0x9f64db90 (LWP 11159)] [New Thread 0x9fe4eb90 (LWP 11158)] [New Thread 0xb7ba1b90 (LWP 11156)] Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0 Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libdl.so.2 Symbol file not found for ./libstdc++.so.5 Reading symbols from /lib/tls/i686/cmov/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libm.so.6 Symbol file not found for ./libgcc_s.so.1 Reading symbols from /lib/tls/i686/cmov/libc.so.6... (no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libc.so.6 Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /lib/tls/i686/cmov/libnss_compat.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libnss_compat.so.2 Reading symbols from /lib/tls/i686/cmov/libnsl.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libnsl.so.1 Reading symbols from /lib/tls/i686/cmov/libnss_nis.so.2... (no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libnss_nis.so.2 Reading symbols from /lib/tls/i686/cmov/libnss_files.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libnss_files.so.2 Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb.so.1 Reading symbols from /usr/lib/libXau.so.6... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXext.so.6 Reading symbols from /usr/lib/libXrender.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXrender.so.1 Reading symbols from /usr/lib/libXrandr.so.2... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libXrandr.so.2 Reading symbols from /usr/lib/libXcursor.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXcursor.so.1 Reading symbols from /usr/lib/libXfixes.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfixes.so.3 Reading symbols from /usr/lib/libGL.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libGL.so.1 Reading symbols from /usr/lib/libXxf86vm.so.1... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libXxf86vm.so.1 Reading symbols from /usr/lib/libXdamage.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdamage.so.1 Reading symbols from /usr/lib/libdrm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm.so.2 Reading symbols from /lib/tls/i686/cmov/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/librt.so.1 Reading symbols from /home/fabio/sorgenti/ati-drivers/mesa-compiled/lib/r300_dri.so...done. Loaded symbols for /home/fabio/sorgenti/ati-drivers/mesa-compiled/lib/r300_dri.so Reading symbols from /usr/lib/libexpat.so.1...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/libpulse-simple.so.0...done. Loaded symbols for /usr/lib/libpulse-simple.so.0 Reading symbols from /usr/lib/libpulse.so.0...done. Loaded symbols for /usr/lib/libpulse.so.0 Reading symbols from /usr/lib/libSM.so.6...done. Loaded symbols for /usr/lib/libSM.so.6 Reading symbols from /usr/lib/libICE.so.6...done. Loaded symbols for /usr/lib/libICE.so.6 Reading symbols from /lib/libcap.so.2...done. Loaded symbols for /lib/libcap.so.2 Reading symbols from /usr/lib/libgdbm.so.3...done. Loaded symbols for /usr/lib/libgdbm.so.3 Reading symbols from /lib/libuuid.so.1...done. Loaded symbols for /lib/libuuid.so.1 Reading symbols from /lib/libattr.so.1...done. Loaded symbols for /lib/libattr.so.1 Reading symbols from /home/fabio/games/prey-demo/base/gamex86.so...done. Loaded symbols for /home/fabio/games/prey-demo/base/gamex86.so 0xb8087430 in __kernel_vsyscall () (gdb) bt #0 0xb8087430 in __kernel_vsyscall () #1 0xb7fb60fb in read () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x082719e9 in ?? () #3 0x08272364 in ?? () #4 0x0805dc81 in ?? () #5 0x082744ce in ?? () #6 0xb7d71775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #7 0x0804b211 in ?? ()