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Re: [tor-relays] [WARN] Your system clock just jumped 100 seconds forward; assuming established circuits no longer work.



On 2/19/14, Alexander Makarov <ice.turbulent@xxxxxxxxx> wrote:
> On 18.02.2014 23:39, Zenaan Harkness wrote:
>> On 2/18/14, Alexander Makarov <ice.turbulent@xxxxxxxxx> wrote:
>>> On 18.02.2014 22:02, Zenaan Harkness wrote:
>>>> My tor logs (running on Debian) are showing this warning:
>>>> [WARN] Your system clock just jumped 100 seconds forward; assuming
>>>> established circuits no longer work.
>>>>
>>>> I tried running openntpd as well as ntp packages (debian), and both
>>>> display the same problem - once or twice a day I get this jump in time
>>>> of in the order of a couple of minutes.
>>>>
>>>> Any idea why?
>>
>>> Maybe problem with hardware clocks?
>>
>> OK, I just checked that the time is very close to correct local time
>> (within a couple seconds as best I can tell), and ran
>> hwclock --systohc
>>
>> But, surely the log warning would only happen once? - that's the whole
>> point of running ntp I thought...
>>
>> See how my node goes over the next day or two,

Well, the time jump still happens, roughly 5hrs apart, 2-3 minute jump.


> Could you show the log?

Current and previous tor logs attached. What is also interesting is IP
address seems to change rather frequently from the ISP (iiNet in this
case - a home ADSL2 connection, but off-net, so it's a resell of
Telstra).

I also note an early morning torrc file read (log.1) - there are no
changes in the torrc file since the 17th, so except that I run service
tor reload, I do not expect tor to re-read the torrc file; is this
normal?:
Feb 19 07:35:19.000 [notice] Read configuration file "/etc/tor/torrc".


> Can you rebuild you kernel with debug option and
> check what kernel events have the same timestamps

I could install a debug kernel - Debian makes them available. How
would I "check kernel events" - just check the logs?

Happy to investigate... might need some hand holding on the process.

Thanks
Zenaan

Attachment: log
Description: Binary data

Attachment: log.1
Description: Binary data

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