[tor-bugs] #10510 [- Select a component]: Getting a lot of system clock jumped messages

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#10510: Getting a lot of system clock jumped messages
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 Reporter:  LoneRanger1012        |          Owner:
     Type:  defect                |         Status:  new
 Priority:  normal                |      Milestone:
Component:  - Select a component  |        Version:  Tor: 0.2.4.18-rc
 Keywords:                        |  Actual Points:
Parent ID:                        |         Points:
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 Your help desk suggested that I create this ticket.
 I am running Tor 0.2.4.18-rc (git-1cda452bc136de6b) on my 64 bit Windows
 7 machine.  It is configured as a non-exit relay with the nick name
 4U2Guess.
 Since updating to the 2.4 series several months ago I have been getting
 lots of system clock jumped messages, often several per day, and
 sometimes for intervals as long as 16105 seconds (4-1/2 hrs).  As
 expected, the program starts over building new circuits, which takes a
 long time and reduces my average throughput dramatically.  After that
 4-1/2 hr gap it took 11 minutes to generate a message that Tor had
 finally successfully opened a circuit

 I think that the problem possibly happens because some of the Tor
 program code 'hogs' the part of the cpu time allocated to Tor and
 Vidalia effectively preventing the part of the program that checks the
 clock from executing, sometimes for hours.  While these gaps usually
 fall while I am away from the console and the screen saver has shut off
 the monitor, I do not think that is the cause, but I am not sure how to
 test that.

 I usually have the microsoft Resource and Performance Monitor
 (perfmon.exe) running.  While it shows a lot of interesting stuff, it
 does not show things that I am interpreting as evidence that Vidalia or
 Tor are misbehaving or being adversely affected.

 Some of my system details reported by dxdiag:

 Time of this report: 12/28/2013, 08:13:12
        Machine name: DLC-THINKCENTRE
    Operating System: Windows 7 Professional 64-bit (6.1, Build 7601)
 Service Pack 1 (7601.win7sp1_gdr.130828-1532)
            Language: English (Regional Setting: English)
 System Manufacturer: LENOVO
        System Model: 3133A9U
                BIOS: LENOVO BIOS Rev: 1.0
           Processor: Intel(R) Pentium(R) CPU G630 @ 2.70GHz (2 CPUs),
 ~2.7GHz
              Memory: 6144MB RAM
 Available OS Memory: 5992MB RAM
           Page File: 5092MB used, 6890MB available
         Windows Dir: C:\Windows
     DirectX Version: DirectX 11
 DX Setup Parameters: Not found
    User DPI Setting: 96 DPI (100 percent)
  System DPI Setting: 96 DPI (100 percent)
     DWM DPI Scaling: Disabled
      DxDiag Version: 6.01.7601.17514 32bit Unicode


 Do you have some suggestions about how to track this problem down?

 Thanks.

 David C

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10510>
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