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Re: [tor-bugs] #20423 [Core Tor/Tor]: Warning notice log: assign_to_cpuworker failed. Ignoring.



#20423: Warning notice log: assign_to_cpuworker failed. Ignoring.
--------------------------------+------------------------------------
 Reporter:  Felixix             |          Owner:
     Type:  defect              |         Status:  new
 Priority:  High                |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor        |        Version:  Tor: 0.2.8.9
 Severity:  Normal              |     Resolution:
 Keywords:  regression freebsd  |  Actual Points:
Parent ID:                      |         Points:
 Reviewer:                      |        Sponsor:
--------------------------------+------------------------------------

Comment (by Felixix):

 Some more informations

 "assign_to_cpuworker failed" is not connected to Heartbeat.
 Change the heartbeat periode to 1.5h but still "assign_to_cpuworker
 failed" is hourly.

 A reload (hup) forces "assign_to_cpuworker failed" warnings.

 Observation (log notice and top)
 Oct 23 16:51:25.000 [warn] assign_to_cpuworker failed. Ignoring.
 ...
 Oct 23 16:51:25.000 [warn] assign_to_cpuworker failed. Ignoring.
 17:48 Tor process at 90% CPU
 17:49 Tor process at 43% CPU
 17:50 Tor process at 7% CPU
 17:51 Tor process at 5% CPU
 Oct 23 17:51:22.000 [warn] Your system clock just jumped 140 seconds
 forward; assuming established circuits no longer work.
 Oct 23 17:51:22.000 [warn] assign_to_cpuworker failed. Ignoring.
 ...
 Oct 23 17:51:22.000 [warn] assign_to_cpuworker failed. Ignoring.
 17:52 Tor process at 68% CPU
 17:53 Tor process at 71% CPU
 17:54 Tor process at 77% CPU
 17:55 Tor process at 79% CPU
 * 58 minutes performing well
 * 140 secs doing whatever and not pushing data
 * After ready with doing whatever back with warn clock and warn cpuworker

 Openntpd with 8 servers and all with 1500-1600 secs query interval.

 Taking a 5 minutes log info shows (force warning by hup; then back to
 notice level):
 Oct 23 20:15:25.000 [info] assign_onionskin_to_cpuworker: circ->p_chan
 gone. Failing circ.
 Oct 23 20:15:25.000 [warn] assign_to_cpuworker failed. Ignoring.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20423#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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