[tor-bugs] #24897 [Core Tor/Tor]: Tor seems to malfunction on FreeBSD

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#24897: Tor seems to malfunction on FreeBSD
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 Reporter:  yurivict271   |          Owner:  (none)
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by yurivict271):

 After increasing the limit to {{{MaxClientCircuitsPending 128}}}, I still
 see the problem. The log ended with
 {{{
 Jan 20 16:33:30.000 [notice] We'd like to launch a circuit to handle a
 connection, but we already have 128 general-purpose client circuits
 pending. Waiting until some finish. [1808313 similar message(s) suppressed
 in last 600 seconds]
 }}}
 ZeroNet has been stopped at about the same time.

 The tor process was at 100% CPU for at least 10 minutes after ZeroNet was
 stopped. Only after ~15 minutes it became usable again.

 The problem seems to be deeper than just the running out of circuits. It
 persists for many minutes after all temporary ZeroNet onions have been
 shut down.

 Once the user-process is shut down, all its onions and circuits should
 shut down promptly. It looks like this doesn't happen.

 Somebody should re-create the setup I have (Tor+ZeroNet with tor=always
 and a lot of sites on FreeBSD 11.1), and see what the problem is.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24897#comment:13>
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