[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:  new
 Priority:  Immediate                            |      Milestone:  Tor:
                                                 |  0.3.4.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.0.6
 Severity:  Blocker                              |     Resolution:
 Keywords:  tor-guard, tor-bridge, tor-client,   |  Actual Points:
  tbb-usability-website, tbb-needs               |
Parent ID:                                       |         Points:  1.5
 Reviewer:                                       |        Sponsor:
                                                 |  SponsorV
-------------------------------------------------+-------------------------

Comment (by s7r):

 I have been just hit by this on TBB 7.5. It is using the default guard
 context, no bridges. I am not sure if it is this or #23863. It is running
 but basically useless, it cannot load any web pages and all other apps
 using this Tor's instance SocksPort are also disconnected. It is in this
 state for about 4 hours, want to leave it a little bit more to see if it
 recovers. I get this:

 {{{
 2/24/2018 18:20:34 PM.800 [NOTICE] Our directory information is no longer
 up-to-date enough to build circuits: We're missing descriptors for 1/2 of
 our primary entry guards (total microdescriptors: 6051/6077).
 2/24/2018 18:20:34 PM.800 [NOTICE] I learned some more directory
 information, but not enough to build a circuit: We're missing descriptors
 for 1/2 of our primary entry guards (total microdescriptors: 6051/6077).
 }}}

 and even after:
 {{{
 2/24/2018 18:20:35 PM.200 [NOTICE] We now have enough directory
 information to build circuits.
 }}}

 It is still not working and not being able to load any web page:
 {{{
 2/24/2018 19:03:18 PM.600 [NOTICE] Tried for 120 seconds to get a
 connection to [scrubbed]:443. Giving up. (waiting for circuit)
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21969#comment:82>
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