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Re: [tor-bugs] #29861 [Obfuscation/Snowflake]: Snowflake is not working right now for some reason



#29861: Snowflake is not working right now for some reason
-----------------------------------+--------------------------
 Reporter:  cypherpunks            |          Owner:  cohosh
     Type:  defect                 |         Status:  assigned
 Priority:  Medium                 |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:                         |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:
-----------------------------------+--------------------------

Comment (by cohosh):

 We have three proxy-go instances set up to periodically restart every 17h,
 23h, 29h (as per #25688). However from the logs it looks like the
 instances have deadlocked immediately upon the last few restarts:
 {{{
 $ sudo tail -f /home/snowflake-proxy/snowflake-proxy-standalone-
 23h.log.d/current
 INFO: peerconnection.go:504: fired OnIceConnectionStateChange:  41
 INFO: peerconnection.go:436: fired OnSignalingStateChange:  41 Closed
 2019/03/22 06:31:37 OnClose channel
 2019/03/22 06:31:37 datachannelHandler ends
 2019/03/22 09:05:25 starting
 INFO: configuration.go:174: Created Configuration at
 &{[{[stun:stun.l.google.com:19302]  }] All Balanced }
 2019/03/22 16:21:26 starting
 INFO: configuration.go:174: Created Configuration at
 &{[{[stun:stun.l.google.com:19302]  }] All Balanced }
 2019/03/22 16:21:43 starting
 INFO: configuration.go:174: Created Configuration at
 &{[{[stun:stun.l.google.com:19302]  }] All Balanced }
 }}}

 There was a deadlock around 06:31UTC and a restart at 09:05UTC that
 immediately deadlocked before I restarted again at 16:21UTC (which again
 immediately deadlocked)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29861#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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