[tor-bugs] #8235 [Tor]: pathbias_count_build_success()

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#8235: pathbias_count_build_success()
----------------------------+-----------------------------------------------
    Reporter:  cypherpunks  |       Owner:  mikeperry                               
        Type:  defect       |      Status:  needs_information                       
    Priority:  major        |   Milestone:  Tor: 0.2.5.x-final                      
   Component:  Tor          |     Version:  Tor: 0.2.4.10-alpha                     
  Resolution:               |    Keywords:  tor-client, MikePerry201304 024-backport
      Parent:               |      Points:                                          
Actualpoints:               |  
----------------------------+-----------------------------------------------

Comment(by alphawolf):

 Issue began again after 43 minutes of uptime with 0.2.4.12-alpha.  Excerpt
 of log below.  I left some of the (seemingly) extraneous log items in
 there in case they turn out to be relative.

 {{{
 Apr 19 05:36:45.000 [notice] pathbias_scale_close_rates(): Bug: Scaling
 has mangled pathbias counts to 164.500000/151.000000 (38/1 open) for
 guard...
 Apr 19 05:36:48.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (165.500000/153.000000) for guard...
 Apr 19 05:36:52.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (166.500000/155.000000) for guard...
 Apr 19 05:36:53.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (167.500000/155.000000) for guard...
 Apr 19 05:36:55.000 [notice] Have tried resolving or connecting to address
 '[scrubbed]' at 3 different places. Giving up.
 Apr 19 05:36:56.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (168.500000/156.000000) for guard...
 Apr 19 05:36:57.000 [notice] Closing stream for '[scrubbed].onion': hidden
 service is unavailable (try again later).
 Apr 19 05:37:21.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (169.500000/158.000000) for guard...
 Apr 19 05:37:21.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (170.500000/158.000000) for guard...
 Apr 19 05:37:27.000 [warn] Didn't recognize cell, but circ stops here!
 Closing circ.
 Apr 19 05:37:27.000 [warn] circuit_receive_relay_cell (forward) failed.
 Closing.
 Apr 19 05:37:36.000 [notice] We tried for 15 seconds to connect to
 '[scrubbed]' using exit ... at .... Retrying on a new circuit.
 Apr 19 05:37:37.000 [notice] Closing stream for '[scrubbed].onion': hidden
 service is unavailable (try again later).
 Apr 19 05:37:46.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (171.500000/159.000000) for guard...
 Apr 19 05:37:49.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (172.500000/160.000000) for guard...
 Apr 19 05:37:52.000 [notice] pathbias_count_build_success(): Bug:
 Unexpectedly high successes counts (173.500000/161.000000) for guard...
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8235#comment:23>
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