(gdb) bt full
#0  0x080a03c1 in frame_cache_cleanup (data=0x99a5b20) at frame.c:327
        cur = (struct ast_frame *) 0x471f63d7
        frames = (struct ast_frame_cache *) 0x99a5b20
        f = (struct ast_frame *) 0x7
#1  0x00b9a258 in __nptl_deallocate_tsd () from /lib/tls/libpthread.so.0
No symbol table info available.
#2  0x00b9a3da in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#3  0x00af2c3e in clone () from /lib/tls/libc.so.6
No symbol table info available.