(gdb) backtrace
#0  0x4084ec81 in kill () from /lib/libc.so.6
#1  0x4065d4a1 in pthread_kill () from /lib/libpthread.so.0
#2  0x4065d87b in raise () from /lib/libpthread.so.0
#3  0x4084e8f8 in raise () from /lib/libc.so.6
#4  0x4084ff00 in abort () from /lib/libc.so.6
#5  0x408826ce in __libc_message () from /lib/libc.so.6
#6  0x40888cae in _int_free () from /lib/libc.so.6
#7  0x40889076 in free () from /lib/libc.so.6
#8  0x41884721 in operator delete () from /usr/lib/./libstdc++.so.6
#9  0x41865657 in std::string::_Rep::_M_destroy ()
   from /usr/lib/./libstdc++.so.6
#10 0x4186575b in std::string::assign () from /usr/lib/./libstdc++.so.6
#11 0x41f59055 in Arts::Dispatcher::Dispatcher ()
   from /opt/kde/lib/libmcop.so.1
#12 0x41b00269 in arts_backend_init () from /opt/kde/lib/libartscbackend.so.0
#13 0x40df6337 in arts_init () from /opt/kde/lib/libartsc.so.0
#14 0x40df3906 in ao_plugin_test () from /usr/lib/ao/plugins-2/libarts.so
#15 0x406513ab in ?? () from /usr/lib/libao.so.2
#16 0x00000000 in ?? ()