Not sure why GDB is claiming no symbol table info, I'll look into this. (I built with debug info, I am quite sure.) Anyway, if it's worth anything, I got this:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1292895312 (LWP 19815)]
0xb7e7ae1e in GSocket::Select () from /home/monkeyboy/lib/libwx_base_net-2.5.so
(gdb) bt
#0 0xb7e7ae1e in GSocket::Select ()
from /home/monkeyboy/lib/libwx_base_net-2.5.so
#1 0xb7e76795 in wxSocketBase::_Wait ()
from /home/monkeyboy/lib/libwx_base_net-2.5.so
#2 0xb7e76936 in wxSocketBase::WaitForLost ()
from /home/monkeyboy/lib/libwx_base_net-2.5.so
#3 0x0811c320 in CServerSocketHandler::Entry (this=0x873b688)
at ServerSocket.cpp:156
#4 0xb7f91bfb in wxThreadInternal::PthreadStart ()
from /home/monkeyboy/lib/libwx_base-2.5.so.4
#5 0xb7f91acf in wxPthreadStart ()
from /home/monkeyboy/lib/libwx_base-2.5.so.4
#6 0xb7fd6b63 in start_thread () from /lib/tls/libpthread.so.0
#7 0xb7b73c4a in clone () from /lib/tls/libc.so.6
(gdb) bt full
#0 0xb7e7ae1e in GSocket::Select ()
from /home/monkeyboy/lib/libwx_base_net-2.5.so
No symbol table info available.
#1 0xb7e76795 in wxSocketBase::_Wait ()
from /home/monkeyboy/lib/libwx_base_net-2.5.so
No symbol table info available.
#2 0xb7e76936 in wxSocketBase::WaitForLost ()
from /home/monkeyboy/lib/libwx_base_net-2.5.so
No symbol table info available.
#3 0x0811c320 in CServerSocketHandler::Entry (this=0x873b688)
at ServerSocket.cpp:156
No locals.
#4 0xb7f91bfb in wxThreadInternal::PthreadStart ()
from /home/monkeyboy/lib/libwx_base-2.5.so.4
No symbol table info available.
#5 0xb7f91acf in wxPthreadStart ()
from /home/monkeyboy/lib/libwx_base-2.5.so.4
No symbol table info available.
#6 0xb7fd6b63 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7 0xb7b73c4a in clone () from /lib/tls/libc.so.6
No symbol table info available.