[tor-bugs] #8185 [Core Tor/Tor]: circuit_package_relay_cell(): Bug: outgoing relay cell has n_chan==NULL. Dropping.

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#8185: circuit_package_relay_cell(): Bug: outgoing relay cell has n_chan==NULL.
Dropping.
-------------------------------------------------+-------------------------
 Reporter:  mr-4                                 |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  merge_ready
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.3.1.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.4.9-alpha
 Severity:  Major                                |     Resolution:
 Keywords:  tor-relay logging needs-analysis     |  Actual Points:
  harmless? annoyance 031-backport 030-backport  |
  029-backport                                   |
Parent ID:                                       |         Points:  3
 Reviewer:  isis                                 |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by cypherpunks):

 Okay. What do we have after hibernation?
 {{{
 Tor NOTICE: Your system clock just jumped 45518 seconds forward; assuming
 established circuits no longer work.
 Tor NOTICE: Heartbeat: Tor's uptime is 3:46 hours, with 1 circuits open.
 I've sent 1.97 MB and received 12.17 MB.
 Tor NOTICE: Average packaged cell fullness: 53.187%. TLS write overhead:
 4%
 Tor WARN: tor_bug_occurred_(): Bug: scheduler_kist.c:520:
 kist_scheduler_schedule: Non-fatal assertion !((diff < 0)) failed. (Future
 instances of this warning will be silenced.) (on Tor 0.3.2.1-alpha )
 Tor WARN: Bug: Non-fatal assertion !((diff < 0)) failed in
 kist_scheduler_schedule at scheduler_kist.c:520. (Stack trace not
 available) (on Tor 0.3.2.1-alpha )
 Tor WARN: circuit_package_relay_cell(): Bug: outgoing relay cell sent from
 src/or/relay.c:825 has n_chan==NULL. Dropping. (on Tor 0.3.2.1-alpha )
 Tor WARN: Bug: . (Stack trace not available) (on Tor 0.3.2.1-alpha )
 Tor NOTICE: Tor has successfully opened a circuit. Looks like client
 functionality is working.
 Tor WARN: Failed to find node for hop #1 of our path. Discarding this
 circuit.
 Tor NOTICE: Scheduler type KISTLite has been enabled.
 }}}
 Seems `with 1 circuits open` points to the root cause of this bug.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8185#comment:54>
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