[tor-bugs] #30187 [Core Tor/Tor]: 100% cpu usage in winthreads tor_cond_wait

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Apr 17 11:45:39 UTC 2019


#30187: 100% cpu usage in winthreads tor_cond_wait
----------------------------------+------------------------------------
 Reporter:  bolvan                |          Owner:  ahf
     Type:  defect                |         Status:  assigned
 Priority:  High                  |      Milestone:  Tor: 0.4.0.x-final
Component:  Core Tor/Tor          |        Version:  Tor: 0.3.5.8
 Severity:  Normal                |     Resolution:
 Keywords:  windows 035-backport  |  Actual Points:
Parent ID:                        |         Points:
 Reviewer:                        |        Sponsor:
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Comment (by bolvan):

 You can use gdb. I'm not too good in gdb so I used
 [https://github.com/rainers/cv2pdb/releases]  to convert dwarf debug info
 to pdb and then used visual studio.
 It will ask source file location first. It will be able to set breakpoint
 although it could not watch vars. I used disassemble and register window
 to read value

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30187#comment:9>
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