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Re: NTPsec reports excessive jitter from GPSD/KPPS SHM


From: Gary E. Miller
Subject: Re: NTPsec reports excessive jitter from GPSD/KPPS SHM
Date: Mon, 9 Mar 2020 11:31:13 -0700

Yo Nick!

On Mon, 09 Mar 2020 18:13:10 +0000
"Nick Burkitt" <address@hidden> wrote:

> Although it appears that gpsd assigns only one shared memory unit for 
> PPS devices. So if I declare my PPS device before my GPS device on
> the gpsd command line, I have to configure ntpd to use SHM(0) as the
> PPS and SHM(1), not SHM(2), as the GPS.

Nope.  SHM(0) as the PPS, and SHM(2) as the GPS.

Just run ntpshmmon to see it.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

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