Date: Tue, 20 Oct 2015 11:10:36 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-hackers <freebsd-hackers@FreeBSD.org> Subject: Re: instability of timekeeping Message-ID: <97479.1445339436@critter.freebsd.dk> In-Reply-To: <56261FE6.90302@FreeBSD.org> References: <56261398.60102@FreeBSD.org> <56261FE6.90302@FreeBSD.org>
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-------- In message <56261FE6.90302@FreeBSD.org>, Andriy Gapon writes: >I performed a small observation. With ntpd disabled I ran `ntpdate -d` at 10 >second intervals in a loop (done via `sleep 10`). It looks like for about 25 >minutes the time offset between a reference server and my machine was quite >stable. But then it sort of jumped about 2.5 seconds between two consecutive >ntpdate invocations. Pure guesswork: Somebody may have börked the code to wind up timecounters. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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