from log
Feb 23 21:46:34.236 [info] connection_dir_client_reached_eof(): Received directory (size 17626) from server '129.21.131.114:9030'
Feb 23 21:46:37.756 [info] connection_edge_reached_eof(): conn (fd 27) reached eof. Closing.
Feb 23 21:46:37.757 [info] connection_edge_reached_eof(): conn (fd 25) reached eof. Closing.
Feb 23 21:46:37.770 [info] connection_edge_process_relay_cell(): 28: end cell (closed normally) for stream 12893. Removing stream.
Feb 23 21:46:37.771 [info] connection_edge_process_relay_cell(): 26: end cell (closed normally) for stream 12892. Removing stream.
Feb 23 21:46:55.367 [info] consider_testing_reachability(): Testing reachability of my ORPort: 129.21.147.187:9001.
Feb 23 21:46:55.368 [info] onion_pick_cpath_exit(): Using requested exit node 'tehonionrouter'
Feb 23 21:46:55.368 [info] compute_preferred_testing_list(): Looking for middle server that doesn't have the reachability bug, and chose 'hppie'. Great.
Feb 23 21:46:55.381 [info] circuit_send_next_onion_skin(): First hop: finished sending CREATE cell to 'fuckchop'


(gdb) bt
#0  0xb7f55410 in ?? ()
#1  0xbf847868 in ?? ()
#2  0x00000006 in ?? ()
#3  0x00003175 in ?? ()
#4  0xb7cb4651 in raise () from /lib/libc.so.6
#5  0xb7cb5ca9 in abort () from /lib/libc.so.6
#6  0xb7ce93ab in __fsetlocking () from /lib/libc.so.6
#7  0xb7ceeda0 in malloc_usable_size () from /lib/libc.so.6
#8  0xb7cf03e4 in free () from /lib/libc.so.6
#9  0x08085f67 in clear_cached_dir (d=0xb7da5ff4) at dirserv.c:1018
#10 0x08085fd7 in cached_dir_decref (d=0x82ef710) at dirserv.c:993
#11 0x08086038 in dirserv_clear_old_v1_info (now=1172285215) at dirserv.c:1155
#12 0x0809493d in second_elapsed_callback (fd=-1, event=1, args=0x0)
    at main.c:887
#13 0xb7dae332 in event_base_loop () from /usr/lib/libevent-1.1a.so.1
#14 0xb7dae549 in event_loop () from /usr/lib/libevent-1.1a.so.1
#15 0xb7dae56e in event_dispatch () from /usr/lib/libevent-1.1a.so.1
#16 0x08095537 in tor_main (argc=3, argv=0xbf8485a4) at main.c:1261
#17 0x080b8c22 in main (argc=Cannot access memory at address 0x3175
) at tor_main.c:22