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Re: [tor-bugs] #28639 [Core Tor/sbws]: After several days, most of the circuits timeout
#28639: After several days, most of the circuits timeout
------------------------------------------+--------------------------------
Reporter: juga | Owner: (none)
Type: defect | Status:
| needs_information
Priority: Medium | Milestone: sbws:
| 1.0.x-final
Component: Core Tor/sbws | Version:
Severity: Normal | Resolution:
Keywords: sbws-1.0-must-moved-20181128 | Actual Points:
Parent ID: #25925 | Points:
Reviewer: | Sponsor:
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Comment (by teor):
Replying to [comment:7 teor]:
> Replying to [comment:6 juga]:
> > Replying to [comment:1 teor]:
> > > What does tor say in its logs?
> >
> > The main repeated part:
> >
> > {{{
> > Oct 28 05:43:00.000 [notice] Heartbeat: Tor's uptime is 2 days 17:59
hours, with 7 circuits open. I've sent 15.08 GB and received 482.17 GB.
> > Oct 28 05:43:00.000 [notice] Average packaged cell fullness: 43.617%.
TLS write overhead: 4%
> > Oct 28 05:50:28.000 [notice] Have tried resolving or connecting to
address '[scrubbed]' at 3 different places. Giving up.
> > Oct 28 05:57:49.000 [notice] No circuits are opened. Relaxed timeout
for circuit 40835 (a General-purpose client 2-hop circuit in state doing
handshakes with channel state open) to 10000ms. However, it appears the
circuit has timed out anyway. 0 guards are live. [53 similar message(s)
suppressed in last 3600 seconds]
> > }}}
>
> The key parts of this message are:
> {{{
> No circuits are opened. Relaxed timeout for circuit
> }}}
>
> I think we can fix this bug by disabling adaptive timeouts in tor. See
#28646.
We can ignore this message. It is an unhelpful log message in Tor. It
happens even when the circuit timeout will not change. See #28698.
> {{{
> 0 guards are live.
> }}}
>
> > I can't figure out reasons with that, but maybe you do.
>
> sbws sets `UseEntryGuards 0`, so it should never have any guards:
> https://github.com/torproject/sbws/blob/master/sbws/globals.py#L19
Are you running Tor 0.2.9?
The "entry guards are live" log message is not in master:
https://github.com/torproject/tor/blob/master/src/core/or/circuituse.c#L630
I think that it was removed in 0.3.0.1-alpha:
https://github.com/torproject/tor/commit/68679504323b0a676a446b8fb34b976c9dc66b4f
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28639#comment:9>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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