``` tor --version Tor version 0.2.4.5-alpha (git-17a6aa56cefe9d83). uname -a Linux DC03R05DS10 2.6.32-5-amd64 #1 SMP Sun May 6 04:00:17 UTC 2012 x86_64 GNU/Linux ``` ``` Nov 05 10:00:17.000 [notice] Heartbeat: Tor's uptime is 1 day 0:00 hours, with 2213 circuits open. I've sent 119.52 GB and received 117.94 GB. Nov 05 13:12:41.000 [err] update_circuit_on_cmux(): Bug: src/or/relay.c:2002: update_circuit_on_cmux: Assertion circuitmux_is_circuit_attached(cmux, circ) failed; aborting. src/or/relay.c:2002 update_circuit_on_cmux: Assertion circuitmux_is_circuit_attached(cmux, circ) failed; aborting. Program received signal SIGABRT, Aborted. 0x00007ffff68341b5 in raise () from /lib/libc.so.6 (gdb) bt #0 0x00007ffff68341b5 in raise () from /lib/libc.so.6 #1 0x00007ffff6836fc0 in abort () from /lib/libc.so.6 #2 0x00007ffff7e8f9fd in TO_OR_CIRCUIT (x=<optimized out>) at src/or/or.h:2954 #3 update_circuit_on_cmux (circ=0x7ffff99f4eb0, direction=CELL_DIRECTION_IN) at src/or/relay.c:1991 #4 0x00007ffff7eee224 in circuit_mark_for_close_ (circ=0x7ffff99f4eb0, reason=8, line=1461, file=0x7ffff7fb3a0f "src/or/circuitlist.c") at src/or/circuitlist.c:1441 #5 0x00007ffff7eee513 in circuit_mark_for_close_ (circ=0x7ffff8decff0, reason=8, line=1047, file=0x7ffff7fb3a0f "src/or/circuitlist.c") at src/or/circuitlist.c:1461 #6 0x00007ffff7eee947 in circuit_unlink_all_from_channel ( chan=0x7fffe3fa13b0, reason=8) at src/or/circuitlist.c:1047 #7 0x00007ffff7ede308 in channel_closed (chan=0x7fffe3fa13b0) at src/or/channel.c:1327 #8 0x00007ffff7f2607e in connection_or_about_to_close (or_conn=0x7fffd41be540) at src/or/connection_or.c:601 #9 0x00007ffff7e772bd in connection_unlink (conn=0x673c) at src/or/main.c:385 #10 0x00007ffff7e775ad in conn_close_if_marked (i=<optimized out>) at src/or/main.c:932 #11 close_closeable_connections () at src/or/main.c:702 #12 0x00007ffff757896c in event_base_loop () from /usr/lib/libevent-2.0.so.5 #13 0x00007ffff7e755a1 in do_main_loop () at src/or/main.c:1987 ---Type <return> to continue, or q <return> to quit--- #14 0x00007ffff7e7595d in tor_main (argc=<optimized out>, argv=0x7fffffffe218) at src/or/main.c:2699 #15 0x00007ffff6820c8d in __libc_start_main () from /lib/libc.so.6 #16 0x00007ffff7e73579 in _start () (gdb) ```