#0 0x009e96bc in memcpy () from /lib/tls/libc.so.6 (gdb) bt full #0 0x009e96bc in memcpy () from /lib/tls/libc.so.6 No symbol table info available. #1 0x00bc7205 in transmit_response (s=0x87507b8, req=0x879dcf8) at chan_skinny.c:1288 res = Variable "res" is not available. (gdb)