[tor-bugs] #20499 [Core Tor/Tor]: A running Tor won't update the microdesc consensus

[Tor Bug Tracker & Wiki]

#20499: A running Tor won't update the microdesc consensus
--------------------------+------------------------------------
 Reporter:  rubiate       |          Owner:
     Type:  defect        |         Status:  new
 Priority:  High          |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.2.9.4-alpha
 Severity:  Normal        |     Resolution:
 Keywords:  regression    |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by rubiate):

 I set up two new relays:

 bug20499bad    ED6E43F07ABE87C017BD80D4BA24E41F8FF32E94
 bug20499revert 083971FD18EDBD442DF0971D0FDC6F500642AD91

 'bad is running 0.2.9.4-alpha, and 'revert is identical except it has
 09a0f2d0b24 reverted. Both have the same config, other than cosmetic
 differences (different names, ports, logfile).

 Rough timeline:

 10:36 Both start up
 [...] both request the consensus every minute
 10:41 they reach a fail count of 10
 [...] both do nothing every minute, fail count is too high
 11:36 'revert updates the microdesc consensus; valid-until 2016-11-01
 14:00:00
 11:36 'bad is still doing nothing, valid-until 2016-11-01 13:00:00
 11:37 'revert tries to do it again, gets a 304, fail count is 2
 11:38 'revert tries to do it again, gets a 304, fail count is 4
 [...] and so on
 11:41 'revert reaches a fail count of 10 again
 [...] both do nothing
 12:36 'revert updates; valid-until 2016-11-01 15:00:00
 12:36 'bad doesn't; valid-until 2016-11-01 13:00:00
 12:41 'revert hits 10 fails again
 [...] doin' nothin'
 13:00 'bad now has a microdesc consensus past its valid-until date
 [...]
 13:36 'revert updates; valid-until 2016-11-01 16:00:00
 13:36 'bad doesn't; valid-until 2016-11-01 13:00:00
 [...] I suspect this pattern is going to hold.

 'revert:
 http://45.32.188.229:9209/tor/status-vote/current/consensus-microdesc

 'bad:
 http://45.32.188.229:9201/tor/status-vote/current/consensus-microdesc

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20499#comment:14>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online