[tor-bugs] #21969 [Core Tor/Tor]: We're missing descriptors for some of our primary entry guards

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#21969: We're missing descriptors for some of our primary entry guards
-----------------------------------+------------------------------------
 Reporter:  asn                    |          Owner:  asn
     Type:  defect                 |         Status:  assigned
 Priority:  High                   |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor           |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  tor-guard, tor-bridge  |  Actual Points:
Parent ID:                         |         Points:  1.5
 Reviewer:                         |        Sponsor:  SponsorU
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Comment (by asn):

 Replying to [comment:13 s7r]:
 >
 > To take an informed decision, let's log some more information in a
 custom branch:
 > - all primary guards in their order (first, second, etc)
 > - the primary guard(s) for which we are missing descriptors only
 > - the status of all primary guards in the current consensus (running /
 not running)
 > - attempts to fetch the missing descriptors and status of this operation
 (success / failure).
 >

 Please check my branch `bug21969_debug` which adds the logs you asked for
 and will help debug the non-bridge case!

 The branch does all the above items except the last one (log guard desc
 fetches) because that was pretty hard to do properly, and would require
 non-trivial hacking time. I think the current logging branch has enough
 info to help us understand if the theory from comment:15 is what's causing
 trouble in the non-bridge case.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21969#comment:17>
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