``` #0 0x00000000004704ae in circuit_expire_building () at circuituse.c:559 559 log_info(LD_CIRC,"Marking circ %s:%d:%d (state %d:%s, purpose %d) " (gdb) where #0 0x00000000004704ae in circuit_expire_building () at circuituse.c:559 #1 0x000000000040c8cc in run_scheduled_events (timer=<value optimized out>, arg=<value optimized out>) at main.c:1416 #2 second_elapsed_callback (timer=<value optimized out>, arg=<value optimized out>) at main.c:1636 #3 0x00007f97ea023344 in event_base_loop () from /usr/lib/libevent-1.4.so.2 #4 0x0000000000409fa1 in do_main_loop () at main.c:1924 #5 0x000000000040a2dd in tor_main (argc=<value optimized out>, argv=0x7fff65475318) at main.c:2619 #6 0x00007f97e92d7c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff65475308) at libc-start.c:228 #7 0x00000000004087c9 in _start () ``` on moria1 running a hidden service This was Tor 0.2.3.10-alpha-dev (git-53d88eb1ecf77147)