[tor-bugs] #12184 [Tor]: Circuit on detached list which I had no reason to mark

Wed Sep 3 23:07:38 UTC 2014

#12184: Circuit on detached list which I had no reason to mark
-----------------------------+--------------------------------------
     Reporter:  cypherpunks  |      Owner:
         Type:  defect       |     Status:  needs_information
     Priority:  major        |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor          |    Version:  Tor: 0.2.5.4-alpha
   Resolution:               |   Keywords:  024-backport 025-triaged
Actual Points:               |  Parent ID:
       Points:               |
-----------------------------+--------------------------------------

Comment (by reezer):

 After many days of silence there is new Tor node, again Tor 0.2.3.35 on
 Windows 7 and these logs. A new one called default:

 https://atlas.torproject.org/#details/DF47CDD59EA05D8D93ECF0D1B20FC9348158F2F8

 {{
 Sep 03 21:43:53.000 [warn] No unused circIDs found on channel without wide
 circID support, with 0 inbound and 2 outbound circuits. Found 0 circuit
 IDs in use by circuits, and 64 with pending destroy cells. (0 of those
 were marked bogusly.) The ones with pending destroy cells have been marked
 unusable for an average of 7467 seconds and a maximum of 18661 seconds.
 This channel is 23448 seconds old. Failing a circuit.
 Sep 03 21:43:53.000 [warn]   Circuitmux on this channel has 2 circuits, of
 which 2 are active. It says it has 29798 destroy cells queued.
 Sep 03 21:43:53.000 [warn] Channel 20432304 (at 0x80f636b00) with
 transport TLS channel (connection 46455456) is in state open (2)
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 was created at 1409757185
 (23448 seconds ago) and last active at 1409780633 (0 seconds ago)
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 says it is connected to an
 OR with digest DF47CDD59EA05D8D93ECF0D1B20FC9348158F2F8 and no known
 nickname
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 says its remote address is
 [scrubbed], and gives a canonical description of "[scrubbed]" and an
 actual description of "[scrubbed]"
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 has these marks:
 !bad_for_new_circs canonical is_canonical_is_reliable !client !local
 outgoing
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 has 0 queued incoming cells
 and 0 queued outgoing cells
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 has 2 active circuits out
 of 2 in total
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 was last used by a client
 at 0 (1409780633 seconds ago)
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 was last drained at
 1409780548 (85 seconds ago)
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 last received a cell at
 1409780333 (300 seconds ago)
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 last transmitted a cell at
 1409780548 (85 seconds ago)
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 has received 431 cells and
 transmitted 5385
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 has averaged 54.403712
 seconds between received cells
 Sep 03 21:43:53.000 [warn]  * Channel 20432304 has averaged 4.354318
 seconds between transmitted cells
 Sep 03 21:43:53.000 [warn] failed to get unique circID.
 Sep 03 22:43:54.000 [warn] No unused circIDs found on channel without wide
 circID support, with 0 inbound and 4294966959 outbound circuits. Found 0
 circuit IDs in use by circuits, and 64 with pending destroy cells. (0 of
 those were marked bogusly.) The ones with pending destroy cells have been
 marked unusable for an average of 11345 seconds and a maximum of 21655
 seconds. This channel is 27048 seconds old. Failing a circuit. [337
 similar message(s) suppressed in last 3600 seconds]
 Sep 03 22:43:54.000 [warn] int64_t
 circuitmux_count_queued_destroy_cells(const channel_t *, const
 circuitmux_t *)(): Bug:   Discrepancy in counts for queued destroy cells
 on circuitmux. n=32611. queue_size=32611. manual_total=32611.
 manual_total_in_map=32273.
 Sep 03 22:43:54.000 [warn]   Circuitmux on this channel has 1 circuits, of
 which 1 are active. It says it has 32611 destroy cells queued.
 Sep 03 22:43:54.000 [warn] Channel 20432304 (at 0x80f636b00) with
 transport TLS channel (connection 46455456) is in state open (2)
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 was created at 1409757185
 (27049 seconds ago) and last active at 1409784230 (4 seconds ago)
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 says it is connected to an
 OR with digest DF47CDD59EA05D8D93ECF0D1B20FC9348158F2F8 and no known
 nickname
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 says its remote address is
 [scrubbed], and gives a canonical description of "[scrubbed]" and an
 actual description of "[scrubbed]"
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 has these marks:
 !bad_for_new_circs canonical is_canonical_is_reliable !client !local
 outgoing
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 has 0 queued incoming cells
 and 0 queued outgoing cells
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 has 1 active circuits out
 of 1 in total
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 was last used by a client
 at 0 (1409784234 seconds ago)
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 was last drained at
 1409784230 (4 seconds ago)
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 last received a cell at
 1409783939 (295 seconds ago)
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 last transmitted a cell at
 1409784230 (4 seconds ago)
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 has received 470 cells and
 transmitted 6533
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 has averaged 57.551064
 seconds between received cells
 Sep 03 22:43:54.000 [warn]  * Channel 20432304 has averaged 4.140364
 seconds between transmitted cells
 }}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12184#comment:44>
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