[tor-bugs] #14006 [Tor]: Hidden service error: "We'd like to launch a circuit to handle a connection, but we already have 32 general-purpose client circuits..."

Tor Bug Tracker & Wiki blackhole at torproject.org
Sat Dec 20 16:47:22 UTC 2014


#14006: Hidden service error: "We'd like to launch a circuit to handle a
connection, but we already have 32 general-purpose client circuits..."
------------------------+--------------------------
     Reporter:  asn     |      Owner:
         Type:  defect  |     Status:  new
     Priority:  normal  |  Milestone:  Tor: 0.2.???
    Component:  Tor     |    Version:
   Resolution:          |   Keywords:  tor-hs
Actual Points:          |  Parent ID:
       Points:          |
------------------------+--------------------------

Comment (by dgoulet):

 I have a feeling that it's linked with this error also (see first log in
 the email).

 {{{
 Dec 12 18:10:27.000 [notice] Your Guard SECxFreeBSD64
 ($D7DB8E82604F806766FC3F80213CF719A0481D0B) is failing more circuits
 than usual. Most likely this means the Tor network is overloaded.
 Success counts are 199/285. Use counts are 101/101. 253 circuits
 completed, 0 were unusable, 54 collapsed, and 15 timed out. For
 reference, your timeout cutoff is 60 seconds.
 }}}

 I've run a perf experiment on an HS bombarding the service with hundreds
 of circuits, I never saw that "Waiting until some finish" log but the
 above was there. See
 https://trac.torproject.org/projects/tor/ticket/8902#comment:10 .

 If the guard if having trouble to keep up with the traffic, that could
 explain why the HS can be stalled on circuits? Though the 600 seconds time
 is a bit worrying, 10 minutes seems much for the Guard to fail that
 long?...

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14006#comment:1>
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