i just found a core file. it has been generated yesterday, so i don't remember what i was doing...
spiorf@clistere:~$ gdb /usr/src/amulo/amule-cvs/src/amule core
GNU gdb 6.3-debian
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This GDB was configured as "i386-linux"...Using host libthread_db library "/lib/ tls/libthread_db.so.1".
Core was generated by `/usr/src/amulo/amule-cvs/src/amule'.
Program terminated with signal 6, Aborted.
warning: current_sos: Can't read pathname for load map: Input/output error
Reading symbols from /lib/tls/libpthread.so.0...done.
Loaded symbols for /lib/tls/libpthread.so.0
Reading symbols from /usr/lib/libwx_gtk2u_xrc-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_gtk2u_xrc-2.6.so.0
Reading symbols from /usr/lib/libwx_gtk2u_qa-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_gtk2u_qa-2.6.so.0
Reading symbols from /usr/lib/libwx_gtk2u_html-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_gtk2u_html-2.6.so.0
Reading symbols from /usr/lib/libwx_gtk2u_adv-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_gtk2u_adv-2.6.so.0
Reading symbols from /usr/lib/libwx_gtk2u_core-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_gtk2u_core-2.6.so.0
Reading symbols from /usr/lib/libwx_baseu_xml-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_baseu_xml-2.6.so.0
Reading symbols from /usr/lib/libwx_baseu_net-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_baseu_net-2.6.so.0
Reading symbols from /usr/lib/libwx_baseu-2.6.so.0...done.
Loaded symbols for /usr/lib/libwx_baseu-2.6.so.0
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libbfd-2.16.1.so...done.
Loaded symbols for /usr/lib/libbfd-2.16.1.so
Reading symbols from /usr/lib/libstdc++.so.6...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/tls/libm.so.6...done.
Loaded symbols for /lib/tls/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/tls/libc.so.6...done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /usr/X11R6/lib/libX11.so.6...done.
Loaded symbols for /usr/X11R6/lib/libX11.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/tls/libdl.so.2...done.
Loaded symbols for /lib/tls/libdl.so.2
Reading symbols from /usr/lib/libgtk-x11-2.0.so.0...done.
Loaded symbols for /usr/lib/libgtk-x11-2.0.so.0
Reading symbols from /usr/lib/libgdk-x11-2.0.so.0...done.
Loaded symbols for /usr/lib/libgdk-x11-2.0.so.0
Reading symbols from /usr/lib/libatk-1.0.so.0...done.
Loaded symbols for /usr/lib/libatk-1.0.so.0
Reading symbols from /usr/lib/libgdk_pixbuf-2.0.so.0...done.
Loaded symbols for /usr/lib/libgdk_pixbuf-2.0.so.0
Reading symbols from /usr/lib/libpangoxft-1.0.so.0...done.
Loaded symbols for /usr/lib/libpangoxft-1.0.so.0
Reading symbols from /usr/lib/libpangox-1.0.so.0...done.
Loaded symbols for /usr/lib/libpangox-1.0.so.0
Reading symbols from /usr/lib/libpangoft2-1.0.so.0...done.
Loaded symbols for /usr/lib/libpangoft2-1.0.so.0
Reading symbols from /usr/lib/libpango-1.0.so.0...done.
Loaded symbols for /usr/lib/libpango-1.0.so.0
Reading symbols from /usr/lib/libgobject-2.0.so.0...done.
Loaded symbols for /usr/lib/libgobject-2.0.so.0
Reading symbols from /usr/lib/libgmodule-2.0.so.0...done.
Loaded symbols for /usr/lib/libgmodule-2.0.so.0
Reading symbols from /usr/lib/libgthread-2.0.so.0...done.
Loaded symbols for /usr/lib/libgthread-2.0.so.0
Reading symbols from /usr/lib/libglib-2.0.so.0...done.
Loaded symbols for /usr/lib/libglib-2.0.so.0
Reading symbols from /usr/lib/libpng12.so.0...done.
Loaded symbols for /usr/lib/libpng12.so.0
Reading symbols from /usr/lib/libjpeg.so.62...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libtiff.so.4...done.
Loaded symbols for /usr/lib/libtiff.so.4
Reading symbols from /usr/lib/libexpat.so.1...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /usr/X11R6/lib/libXrandr.so.2...done.
Loaded symbols for /usr/X11R6/lib/libXrandr.so.2
Reading symbols from /usr/X11R6/lib/libXi.so.6...done.
Loaded symbols for /usr/X11R6/lib/libXi.so.6
Reading symbols from /usr/X11R6/lib/libXinerama.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXinerama.so.1
Reading symbols from /usr/X11R6/lib/libXext.so.6...done.
Loaded symbols for /usr/X11R6/lib/libXext.so.6
Reading symbols from /usr/lib/libXft.so.2...done.
Loaded symbols for /usr/lib/libXft.so.2
Reading symbols from /usr/lib/libfreetype.so.6...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libfontconfig.so.1...done.
Loaded symbols for /usr/lib/libfontconfig.so.1
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
#0 0x410429e7 in raise () from /lib/tls/libc.so.6
(gdb) bt
#0 0x410429e7 in raise () from /lib/tls/libc.so.6
#1 0x4104431b in abort () from /lib/tls/libc.so.6
#2 0xb79f00c1 in wxVLogFatalError () from /usr/lib/libwx_baseu-2.6.so.0
#3 0xb79f0163 in wxLogFatalError () from /usr/lib/libwx_baseu-2.6.so.0
#4 0xb79adc9f in wxAppConsole::CheckBuildOptions ()
from /usr/lib/libwx_baseu-2.6.so.0
#5 0x08083c4d in wxCreateApp () at amule-gui.cpp:149
#6 0xb79e32be in wxEntryStart () from /usr/lib/libwx_baseu-2.6.so.0
#7 0xb79e34c2 in wxEntry () from /usr/lib/libwx_baseu-2.6.so.0
#8 0xb79e35de in wxEntry () from /usr/lib/libwx_baseu-2.6.so.0
#9 0x08083cd7 in main (argc=1, argv=0xbfc82b04) at amule-gui.cpp:297
(gdb) bt full
#0 0x410429e7 in raise () from /lib/tls/libc.so.6
No symbol table info available.
#1 0x4104431b in abort () from /lib/tls/libc.so.6
No symbol table info available.
#2 0xb79f00c1 in wxVLogFatalError () from /usr/lib/libwx_baseu-2.6.so.0
No symbol table info available.
#3 0xb79f0163 in wxLogFatalError () from /usr/lib/libwx_baseu-2.6.so.0
No symbol table info available.
#4 0xb79adc9f in wxAppConsole::CheckBuildOptions ()
from /usr/lib/libwx_baseu-2.6.so.0
No symbol table info available.
#5 0x08083c4d in wxCreateApp () at amule-gui.cpp:149
No locals.
#6 0xb79e32be in wxEntryStart () from /usr/lib/libwx_baseu-2.6.so.0
No symbol table info available.
#7 0xb79e34c2 in wxEntry () from /usr/lib/libwx_baseu-2.6.so.0
No symbol table info available.
#8 0xb79e35de in wxEntry () from /usr/lib/libwx_baseu-2.6.so.0
No symbol table info available.
#9 0x08083cd7 in main (argc=1, argv=0xbfc82b04) at amule-gui.cpp:297
No locals.
(gdb)