From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-x22a.google.com (mail-ie0-x22a.google.com [IPv6:2607:f8b0:4001:c03::22a]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 714F321F180 for ; Mon, 22 Jul 2013 16:30:27 -0700 (PDT) Received: by mail-ie0-f170.google.com with SMTP id e11so17047480iej.15 for ; Mon, 22 Jul 2013 16:30:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=xCjOmuy/OSG39mIjKjTD+4fWTQPZ6ut0eZXbXqW3FS8=; b=PnhuCi2pR5ubI1q4IJwcO1U38WqufaGFo4vSyiK2M5XDN5i36oG8x1mbfNV+0mteUG D/FZEZsexpPEwtpJGA9TfpAPRxqD1lBUlEjOy6MmAdQJ2tJx4+Dq6zvZzsifo9jCnbRP vSGcqgps5eFhYwWq6jbIZz/wzTy13m+QuxhkB3XzaUW2cSKy8gRpJIHdsLtdl8o2AuMn I7xHl9gnI15iJM3HUoelg+Qp1L/TsU6FAr3XwaQJgBx8EhPblo9j7oRyYeHISftWdzs3 GkFawEzfhqZnZeW52AOfEXiGKG2zWTE9SDM0ibjeSiu1GKN1e3VmP/tTeS3W2FtehIaD vGlQ== MIME-Version: 1.0 X-Received: by 10.42.254.8 with SMTP id nc8mr18256530icb.49.1374535826643; Mon, 22 Jul 2013 16:30:26 -0700 (PDT) Received: by 10.64.98.162 with HTTP; Mon, 22 Jul 2013 16:30:26 -0700 (PDT) Date: Mon, 22 Jul 2013 16:30:26 -0700 Message-ID: From: Dave Taht To: thumbgps-devel@lists.bufferbloat.net Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: [Thumbgps-devel] decoding ntp... does anyone really know what time it is? X-BeenThere: thumbgps-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Jul 2013 23:30:27 -0000 I should probably get back on the timenuts list but perhaps someone here can explain this: http://www.eecis.udel.edu/~mills/ntp/html/decode.html So I have a pps configuration of the gpsd configured. Or thought I did. Actually, in this case, gpsd had failed to start on beagle-1 for some reason, ntpd started without it, and I started it after ntpd. I'm still waiting for ntp to pick it up, so far, which I talk to below. I'm just curious as to how viable tickers evolve over time.... Anyway, a - means it's discarded from the cluster algorithm. Beagle-1 is my gps served ntp server on a remote client: ntpq> peer remote refid st t when poll reach delay offset jit= ter =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D -beagle-1 199.102.46.72 2 u 984 1024 377 0.779 -23.343 3.= 593 *pool-test.ntp.o 127.67.113.92 2 u 937 1024 357 35.216 -4.543 5.= 157 -d7.hotfile.com 220.183.68.66 2 u 726 1024 377 81.001 -8.452 4.= 082 -ntp.westbrook.c 120.119.68.211 3 u 830 1024 375 29.350 -11.324 13.= 744 +208.79.16.124 198.60.22.240 2 u 797 1024 377 123.573 -10.639 12.= 673 +golem.canonical 193.79.237.14 2 u 83 1024 377 161.633 2.891 8.= 818 on beagle-1 (after I restarted gpsd) ntpq -n -p remote refid st t when poll reach delay offset jit= ter =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D 127.127.28.0 .GPS. 0 l 21 16 76 0.000 302.125 0.= 858 127.127.28.1 .GPS1. 0 l - 16 0 0.000 0.000 0.= 000 +69.50.219.51 209.51.161.238 2 u 446 512 173 78.353 4.241 15.= 379 -216.229.0.49 216.229.0.179 2 u 876 512 376 157.278 -14.828 4.= 858 +2001:4f8:fff7:1 66.220.9.122 2 u 237 512 377 24.358 16.313 7.= 613 *199.102.46.72 .GPS. 1 u 457 512 333 155.082 0.735 9.= 664 My assumption is that after a suitable period, the client box will grok that the beagle-1 box is stratum 1 and move over to it, or are their other heuristics involved? After a while, the above became marked with an X (and I think pps didn't kick in) root@beagle-1:/var/spool# ntpq -n -p remote refid st t when poll reach delay offset jit= ter =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D x127.127.28.0 .GPS. 0 l 123 16 200 0.000 302.125 0.= 972 127.127.28.1 .GPS1. 0 l - 16 0 0.000 0.000 0.= 000 +69.50.219.51 209.51.161.238 2 u 20 512 367 75.973 2.586 14.= 346 +216.229.0.49 216.229.0.179 2 u 978 512 376 157.278 -14.828 4.= 858 -2001:4f8:fff7:1 66.220.9.122 2 u 339 512 377 24.358 16.313 7.= 613 *199.102.46.72 .GPS. 1 u 20 512 267 140.874 -11.207 6.= 531 which is "discarded by intersection algorithmn" Does --=20 Dave T=E4ht Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.= html