Top-post.
I haven't seen this running 0.3.2.9 on multiple OpenBSD systems.
Nothing immediately apparent to me, although I would confirm ntpd is
running and reasonably accurate.
I'm going to post email contents to Tor's trac.
g
Jiri B:
> On Mon, Feb 12, 2018 at 10:02:52PM +0100, Thomas Weinbrenner wrote:
>> Perhaps this has nothing to do with vmm.
>
> I can confirm too that this Tor issue - being stucked for cca 2 minutes -
> happens also on baremetal.
>
> Thus moving from misc@ to ports@ as this is more appropriate, CC tor port
> maintainer (sorry for multiple mails).
>
> If anybody has a recommendation, please share it. Is it OpenBSD specific
> problem?
>
> Not sure if Thomas findings below are relevant:
>
>> [...]
>> Since upgrading OpenBSD from
>>
>> | OpenBSD 6.2-current (GENERIC.MP) #399: Fri Feb 2 18:28:58 MST 2018
>> | dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>>
>> to
>>
>> | OpenBSD 6.2-current (GENERIC.MP) #4: Sat Feb 10 18:04:19 MST 2018
>> | dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>>
>> my tor server also has problems.
>>
>> /var/log/daemon:
>> | Feb 11 20:15:50 server Tor[54286]: Your system clock just jumped 115
>> seconds forward; assuming established circuits no longer work.
>> | Feb 11 20:16:02 server Tor[54286]: Tor has successfully opened a circuit.
>> Looks like client functionality is working.
>> | Feb 11 20:16:02 server Tor[54286]: Tor has successfully opened a circuit.
>> Looks like client functionality is working.
>> | Feb 11 20:24:43 server Tor[54286]: Your system clock just jumped 299
>> seconds forward; assuming established circuits no longer work.
>> | Feb 11 20:26:24 server Tor[54286]: tor_assertion_failed_: Bug:
>> src/or/channel.c:1503: channel_closed: Assertion CHANNEL_CONDEMNED(chan)
>> failed; aborting. (on Tor 0.3.2.9 9e8b762fcecfece6)
>> | Feb 11 20:26:24 server Tor[54286]: Bug: Assertion CHANNEL_CONDEMNED(chan)
>> failed in channel_closed at src/or/channel.c:1503. (Stack trace not
>> available) (on Tor 0.3.2.9 9e8b762fcecfece6)
>
> What I see is that lines with 'circuit_consider_stop_edge_reading:
> considering layer_hint->package_window <number>'
> are last ones before Tor gets stucked with tor-0.3.2.9p0.
>
> # awk '/18:15:31.*circuit_consider_stop_edge_reading: considering
> layer_hint->package_window 99/ { print; getline; print }'
> /data/services/onion/archive/tor/logs/debug.log
> Feb 13 18:15:31.000 [debug] circuit_consider_stop_edge_reading: considering
> layer_hint->package_window 999
> Feb 13 18:18:31.000 [debug] read_to_chunk: Read 596 bytes. 876 on inbuf.
>
> ^^ 3 mins now
>
> An attempt to ktrace it:
>
> ...
> 13589 tor 1518542131.362968 GIO fd 6 wrote 95 bytes
> "Feb 13 18:15:31.000 [debug] connection_edge_package_raw_inbuf:
> conn->package_window is now 499
> "
> 13589 tor 1518542131.362972 RET write 95/0x5f
> 13589 tor 1518542131.362981 CALL gettimeofday(0x7f7ffffbfa28,0)
> 13589 tor 1518542131.362988 STRU struct timeval { 1518542131<"Feb 13
> 18:15:31 2018">.362985 }
> 13589 tor 1518542131.363012 RET gettimeofday 0
> 13589 tor 1518542131.363020 CALL write(6,0x7f7ffffbfae0,0x6b)
> 13589 tor 1518542131.363032 GIO fd 6 wrote 107 bytes
> "Feb 13 18:15:31.000 [debug] circuit_consider_stop_edge_reading:
> considering layer_hint->package_window 999
> "
> 13589 tor 1518542131.363044 RET write 107/0x6b
> 13589 tor 1518542131.363056 CALL
> recvfrom(4,0x12664c160336,0x3cf6,0,0,0)
>
> ^^ see above timestamp, and below reply from httpd (18:18:31.372), this
> correspond to
> httpd.conf's 'connection request timeout 180'
>
> but when i tried to access either httpd or sshd (just test) locally, they
> work
> fine.
>
> 13589 tor 1518542311.372642 GIO fd 4 read 596 bytes
> "HTTP/1.0 408 Request Timeout\r
> Date: Tue, 13 Feb 2018 17:18:31 GMT\r
> Server: OpenBSD httpd\r
> Connection: close\r
> Content-Type: text/html\r
> Content-Length: 439\r
> \r
> <!DOCTYPE html>
> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
> <title>408 Request Timeout</title>
> <style type="text/css"><!--
> body { background-color: white; color: black; font-family: 'Comic
> Sans MS', 'Chalkboard SE', 'Comic Neue', sans-serif; }
> hr { border: 0; border-bottom: 1px dashed; }
>
> --></style>
> </head>
> <body>
> <h1>408 Request Timeout</h1>
> <hr>
> <address>OpenBSD httpd</address>
> </body>
> </html>
> "
> 13589 tor 1518542311.372664 RET recvfrom 596/0x254
> 13589 tor 1518542311.372675 CALL gettimeofday(0x7f7ffffbfd28,0)
> 13589 tor 1518542311.372685 STRU struct timeval { 1518542311<"Feb 13
> 18:18:31 2018">.372679 }
>
> Jiri
>
