$ gdb racer.bin core.5544
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This GDB was configured as "i686-pc-linux-gnu"...(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

(no debugging symbols found)
Core was generated by `./racer.bin '.
Program terminated with signal 11, Segmentation fault.

warning: Can't read pathname for load map: Eingabe-/Ausgabefehler.
Reading symbols from /usr/lib/libaoss.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libaoss.so
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/libGLU.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libGLU.so.1
Reading symbols from /usr/lib/opengl/xorg-x11/lib/libGL.so.1...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/opengl/xorg-x11/lib/libGL.so.1
Reading symbols from /home/stefan/usr/opt/racer0.5.2/lib/libfmod-3.61.so...(no debugging symbols found)...done.
Loaded symbols for /home/stefan/usr/opt/racer/lib/libfmod-3.61.so
Reading symbols from /usr/lib/libstdc++-v3/libstdc++.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libstdc++-v3/libstdc++.so.5
Reading symbols from /lib/libm.so.6...
(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libgcc_s.so.1
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/libdl.so.2...
(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
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/libalsatoss.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libalsatoss.so.0
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/gcc/i686-pc-linux-gnu/4.1.1/libstdc++.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libstdc++.so.6
Reading symbols from /usr/lib/libXxf86vm.so.1...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXxf86vm.so.1
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /usr/lib/libdrm.so.2...done.
Loaded symbols for /usr/lib/libdrm.so.2
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/libasound.so.2...done.
Loaded symbols for /usr/lib/libasound.so.2
Reading symbols from /usr/lib/dri/r300_dri.so...done.
Loaded symbols for /usr/lib/dri/r300_dri.so
Reading symbols from /usr/lib/libexpat.so.0...done.
Loaded symbols for /usr/lib/libexpat.so.0
Reading symbols from /usr/lib/libXcursor.so.1...done.
Loaded symbols for /usr/lib/libXcursor.so.1
Reading symbols from /usr/lib/libXrender.so.1...done.
Loaded symbols for /usr/lib/libXrender.so.1
Reading symbols from /usr/lib/libXfixes.so.3...done.
Loaded symbols for /usr/lib/libXfixes.so.3
#0  0xb7f9d410 in ?? ()
(gdb) backtrace
#0  0xb7f9d410 in ?? ()
#1  0xbfaa3cd8 in ?? ()
#2  0xbfaa3cf4 in ?? ()
#3  0x4008642a in ?? ()
#4  0xb7be3df9 in ioctl () from /lib/libc.so.6
#5  0xb7f81070 in ioctl () from /usr/lib/libaoss.so
#6  0xb7a0bf65 in drmGetLock () from /usr/lib/libdrm.so.2
#7  0xb776120d in radeonGetLock () from /usr/lib/dri/r300_dri.so
#8  0xb777365d in r300UploadTexImages () from /usr/lib/dri/r300_dri.so
#9  0xb7775ef7 in r300InitTextureFuncs () from /usr/lib/dri/r300_dri.so
#10 0xb7775f83 in r300UpdateTextureState () from /usr/lib/dri/r300_dri.so
#11 0xb7771df7 in r300UpdateShaderStates () from /usr/lib/dri/r300_dri.so
#12 0xb7772ae7 in r300_run_vb_render () from /usr/lib/dri/r300_dri.so
#13 0xb7773413 in r300_run_vb_render () from /usr/lib/dri/r300_dri.so
#14 0xb77f74cf in _tnl_run_pipeline () from /usr/lib/dri/r300_dri.so
#15 0xb782ac05 in _tnl_flush_vtx () from /usr/lib/dri/r300_dri.so
#16 0xb7821c3c in _tnl_FlushVertices () from /usr/lib/dri/r300_dri.so
#17 0xb77da4e0 in _mesa_BindTexture () from /usr/lib/dri/r300_dri.so
#18 0x080e5218 in ?? ()
#19 0x080e5a3d in ?? ()
#20 0x080e58d6 in ?? ()
#21 0x080e3813 in ?? ()
#22 0x080e3311 in ?? ()
#23 0x08100e7d in ?? ()
#24 0x080ccf91 in ?? ()
#25 0x0808450f in ?? ()
#26 0x0804e7be in ?? ()
#27 0x0804ea78 in ?? ()
#28 0x0811249c in ?? ()
#29 0x0804fd2d in ?? ()
#30 0x0804d5fe in ?? ()
#31 0xb7b44878 in __libc_start_main () from /lib/libc.so.6
#32 0x0804d121 in ?? ()
(gdb)