[tor-bugs] #19570 [Core Tor/Tor]: Shared random round gets out of sync

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#19570: Shared random round gets out of sync
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 Reporter:  teor          |          Owner:
     Type:  defect        |         Status:  reopened
 Priority:  High          |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  tor-sr        |  Actual Points:
Parent ID:                |         Points:  0.5
 Reviewer:                |        Sponsor:  SponsorR-must
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Changes (by teor):

 * status:  closed => reopened
 * resolution:  not a bug =>


Comment:

 Ok, now that I think about it, I really want to see the number of rounds
 based on the current time in the log. This would help diagnose any round
 mismatches (but feel free to close if you think it's not that important).

 `Jul 07 23:00:01.000 [info] sr_state_update(): SR: State prepared for
 upcoming voting period (2016-07-07 14:00:00). Upcoming phase is reveal
 (counters: 10/12 commit & 3/3 reveal rounds).`

 Where the number before the slash is the number of rounds the authority
 has seen since starting up, and the number after the slash is the current
 round number based on the time (assuming that there's a round every
 consensus period).

 Sometimes, the number of rounds the authority has seen will be less, if
 it's just started up or has been down or (ugh) sleeping.

 Sometimes, the number of rounds the authority has seen will be more, if
 it's voting every half hour because it doesn't have a valid consensus.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19570#comment:9>
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