#0  0x08120d74 in digestmap_size (map=0x0) at container.c:1392
#1  0x08075caf in intro_point_should_expire_now (now=1322779580,
    intro=0x878ea08) at rendservice.c:1960
#2  rend_services_introduce () at rendservice.c:2080
#3  0x080b6a0c in circuit_build_needed_circs (now=1322779580)
    at circuituse.c:708
#4  0x08051085 in run_scheduled_events (now=1322779580) at main.c:1442
#5  second_elapsed_callback (timer=0x86f6e28, arg=0x0) at main.c:1636
#6  0x0017c0c9 in event_base_loop () from /usr/lib/libevent-2.0.so.5
#7  0x08052764 in do_main_loop () at main.c:1924
#8  0x08053f25 in tor_main (argc=5, argv=0xbffff894) at main.c:2620
#9  0x0804ef0b in main (argc=5, argv=0xbffff894) at tor_main.c:30