[tor-bugs] #21540 [Core Tor/Tor]: Warning "Failure from drain_fd"

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Feb 23 16:54:17 UTC 2017


#21540: Warning "Failure from drain_fd"
--------------------------+------------------------------------
 Reporter:  PjotrV        |          Owner:
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.2.9.9
 Severity:  Minor         |     Resolution:
 Keywords:  supressed     |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------
Changes (by dgoulet):

 * component:  - Select a component => Core Tor/Tor
 * milestone:   => Tor: 0.3.1.x-final


Old description:

> "Failure from drain_fd: No error [x similar messages suppressed in 72000
>  seconds]"
>
> "x" stands for any number
>
> '''Possible the same as #16992'''
>

> Feb 18 19:41:59.564 [Warnung] Failure from drain_fd: No error [5 similar
> message(s) suppressed in last 7200 seconds]
> Feb 18 20:04:08.501 [Hinweis] Heartbeat: Tor's uptime is 16:22 hours,
> with 2 circuits open. I've sent 31.55 MB and received 211.71 MB.
> Feb 18 20:04:08.501 [Hinweis] Average packaged cell fullness: 73.875%.
> TLS write overhead: 5%
> Feb 18 20:04:08.501 [Hinweis] Circuit handshake stats since last time:
> 1/1 TAP, 0/0 NTor.
> Feb 18 20:04:08.501 [Hinweis] Since startup, we have initiated 0 v1
> connections, 0 v2 connections, 0 v3 connections, and 43 v4 connections;
> and received 3 v1 connections, 12 v2 connections, 17 v3 connections, and
> 701 v4 connections.
> Feb 18 21:54:40.556 [Warnung] Failure from drain_fd: No error [1 similar
> message(s) suppressed in last 7200 seconds]
> Feb 19 00:00:07.179 [Warnung] Failure from drain_fd: No error [9 similar
> message(s) suppressed in last 7200 seconds]
> Feb 19 01:15:16.376 [Hinweis] Interrupt: we have stopped accepting new
> connections, and will shut down in 30 seconds. Interrupt again to exit
> now.
> Feb 19 15:14:06.133 [Hinweis] Tor 0.2.9.9 (git-56788a2489127072) running
> on Windows 7 with Libevent 2.0.22-stable, OpenSSL 1.0.2j and Zlib 1.2.8.
> Feb 19 15:14:06.134 [Hinweis] Tor can't help you if you use it wrong!
> Learn how to be safe at
> https://www.torproject.org/download/download#warning
> Feb 19 15:14:06.134 [Hinweis] Read configuration file "C:\Program Files
> (x86)\Vidalia Relay Bundle\Data\Tor\torrc".
> Feb 19 15:14:06.134 [Warnung] Path for DataDirectory (C:/Program Files
> (x86)/Vidalia Relay Bundle/Data/Tor) is relative and will resolve to
> C:\Program Files (x86)\Vidalia Relay Bundle\Data\Tor. Is this what you
> wanted?
> Feb 19 15:14:06.134 [Hinweis] Based on detected system memory,
> MaxMemInQueues is set to 2048 MB. You can override this by setting
> MaxMemInQueues by hand.
> Feb 19 15:14:06.134 [Hinweis] Opening Socks listener on 127.0.0.1:9050
> Feb 19 15:14:06.134 [Hinweis] Opening Control listener on 127.0.0.1:9051
> Feb 19 15:14:06.134 [Hinweis] Opening OR listener on 0.0.0.0:443
> Feb 19 15:14:06.135 [Hinweis] Opening Directory listener on 0.0.0.0:9030
> Feb 19 17:28:38.911 [Warnung] Failure from drain_fd: No error [74 similar
> message(s) suppressed in last 7200 seconds]
> Feb 19 20:48:42.369 [Warnung] Failure from drain_fd: No error [2 similar
> message(s) suppressed in last 7200 seconds]
> Feb 19 21:15:07.100 [Hinweis] Heartbeat: Tor's uptime is 5:59 hours, with
> 3 circuits open. I've sent 55.97 MB and received 935.17 MB.
> Feb 19 21:15:07.101 [Hinweis] Average packaged cell fullness: 57.651%.
> TLS write overhead: 5%
> Feb 19 21:15:07.101 [Hinweis] Circuit handshake stats since last time:
> 1/1 TAP, 115/115 NTor.
> Feb 19 21:15:07.101 [Hinweis] Since startup, we have initiated 0 v1
> connections, 0 v2 connections, 0 v3 connections, and 148 v4 connections;
> and received 0 v1 connections, 10 v2 connections, 11 v3 connections, and
> 377 v4 connections.

New description:

 "Failure from drain_fd: No error [x similar messages suppressed in 72000
  seconds]"

 "x" stands for any number

 '''Possible the same as #16992'''

 {{{
 Feb 18 19:41:59.564 [Warnung] Failure from drain_fd: No error [5 similar
 message(s) suppressed in last 7200 seconds]
 Feb 18 20:04:08.501 [Hinweis] Heartbeat: Tor's uptime is 16:22 hours, with
 2 circuits open. I've sent 31.55 MB and received 211.71 MB.
 Feb 18 20:04:08.501 [Hinweis] Average packaged cell fullness: 73.875%. TLS
 write overhead: 5%
 Feb 18 20:04:08.501 [Hinweis] Circuit handshake stats since last time: 1/1
 TAP, 0/0 NTor.
 Feb 18 20:04:08.501 [Hinweis] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 0 v3 connections, and 43 v4 connections;
 and received 3 v1 connections, 12 v2 connections, 17 v3 connections, and
 701 v4 connections.
 Feb 18 21:54:40.556 [Warnung] Failure from drain_fd: No error [1 similar
 message(s) suppressed in last 7200 seconds]
 Feb 19 00:00:07.179 [Warnung] Failure from drain_fd: No error [9 similar
 message(s) suppressed in last 7200 seconds]
 Feb 19 01:15:16.376 [Hinweis] Interrupt: we have stopped accepting new
 connections, and will shut down in 30 seconds. Interrupt again to exit
 now.
 Feb 19 15:14:06.133 [Hinweis] Tor 0.2.9.9 (git-56788a2489127072) running
 on Windows 7 with Libevent 2.0.22-stable, OpenSSL 1.0.2j and Zlib 1.2.8.
 Feb 19 15:14:06.134 [Hinweis] Tor can't help you if you use it wrong!
 Learn how to be safe at
 https://www.torproject.org/download/download#warning
 Feb 19 15:14:06.134 [Hinweis] Read configuration file "C:\Program Files
 (x86)\Vidalia Relay Bundle\Data\Tor\torrc".
 Feb 19 15:14:06.134 [Warnung] Path for DataDirectory (C:/Program Files
 (x86)/Vidalia Relay Bundle/Data/Tor) is relative and will resolve to
 C:\Program Files (x86)\Vidalia Relay Bundle\Data\Tor. Is this what you
 wanted?
 Feb 19 15:14:06.134 [Hinweis] Based on detected system memory,
 MaxMemInQueues is set to 2048 MB. You can override this by setting
 MaxMemInQueues by hand.
 Feb 19 15:14:06.134 [Hinweis] Opening Socks listener on 127.0.0.1:9050
 Feb 19 15:14:06.134 [Hinweis] Opening Control listener on 127.0.0.1:9051
 Feb 19 15:14:06.134 [Hinweis] Opening OR listener on 0.0.0.0:443
 Feb 19 15:14:06.135 [Hinweis] Opening Directory listener on 0.0.0.0:9030
 Feb 19 17:28:38.911 [Warnung] Failure from drain_fd: No error [74 similar
 message(s) suppressed in last 7200 seconds]
 Feb 19 20:48:42.369 [Warnung] Failure from drain_fd: No error [2 similar
 message(s) suppressed in last 7200 seconds]
 Feb 19 21:15:07.100 [Hinweis] Heartbeat: Tor's uptime is 5:59 hours, with
 3 circuits open. I've sent 55.97 MB and received 935.17 MB.
 Feb 19 21:15:07.101 [Hinweis] Average packaged cell fullness: 57.651%. TLS
 write overhead: 5%
 Feb 19 21:15:07.101 [Hinweis] Circuit handshake stats since last time: 1/1
 TAP, 115/115 NTor.
 Feb 19 21:15:07.101 [Hinweis] Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 0 v3 connections, and 148 v4 connections;
 and received 0 v1 connections, 10 v2 connections, 11 v3 connections, and
 377 v4 connections.
 }}}

--

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21540#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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