Re: [tor-bugs] #18614 [Tor]: tor uses full cpu when unplugged

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#18614: tor uses full cpu when unplugged
--------------------------+--------------------------
 Reporter:  zqcxobbe      |          Owner:
     Type:  defect        |         Status:  reopened
 Priority:  Medium        |      Milestone:
Component:  Tor           |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  tor cpu hang  |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+--------------------------
Changes (by cypherpunks):

 * keywords:  tor cpu => tor cpu hang


Comment:

 What tor version? (what configure options used?) What libevent version?
 > How do I debug this to provide useful information?

 > [ticket:4588#comment:1 To debug], it would be good to know where we're
 actually freezing. Try running with "DisableDebuggerAttachment 0", then if
 it locks up again, attach a debugger with "gdb -p {PID of tor}", and use
 "bt" to get a stack trace and figure out where Tor is stalled?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18614#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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