not understanding ntpviz output
shouldbeq931 at gmail.com
Sat Sep 7 16:01:46 UTC 2019
On Sat, Sep 7, 2019 at 11:41 AM shouldbe q931 <shouldbeq931 at gmail.com>
> Hi Gary
> On Fri, Sep 6, 2019 at 9:43 PM Gary E. Miller via users <users at ntpsec.org>
>> Yo shouldbe!
>> > On Wed, 4 Sep 2019 17:09:04 +0100
>> > shouldbe q931 via users <users at ntpsec.org> wrote:
>> > > I saw something odd in ntpviz, which is that the server offset and
>> > > server jitter on SHM(1) goes to 1 second. I thought it would be
>> > > prudent to check another ntpviz, and https://pi3.rellim.com/day/
>> > > shows similar.
>> > Yup. I have been seeing it myself. Something happened many months
>> > ago to cause that regression. That is why I have been trying to
>> > cleanup the time handling in gpsd.
>> I had tired to attack this problem directly, but failed. So I continued
>> a process of moving all time in gpsd from double, timeval, timestamp, to
>> timespec. And the problem seemed to disappear as oddly as it appeared.
>> Along with some other floating point oddness.
>> Can you confirm you also see the problem gone?
> I've just updated to gpsd: 3.19.1~dev (revision
> 3.19.1~dev-2019-09-07T11:34:03.812026) and will see what the graphs look
> like in a few hours.
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