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From: Rich Altmaier <richa@engr.sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] NTP broken?
Date: Wed, 29 May 2002 17:18:43 +0000	[thread overview]
Message-ID: <marc-linux-ia64-105590701905614@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905591@msgid-missing>

David, FYI, I asked our hardware designers about current oscillator
accuracy and was a bit suprised to learn that one pays a
premium price today to get 300ppm.  600ppm can happen
in lower cost units.

FYI, Rich



David Mosberger wrote:
> 
> >>>>> On Tue, 28 May 2002 15:48:49 -0700, "Luck, Tony" <tony.luck@intel.com> said:
> 
>   Tony> I compared a HZ\x100 kernel with a HZ\x1024 kernel on a BigSur
>   Tony> ... it made no obvious difference, both kernels lost time at
>   Tony> about 38.5 milliseconds/minute relative to a machine running
>   Tony> NTP.
> 
> Hmmh, interesting data.  So the rate is 633ppm.  Does anyone know what
> the crystals on the BigSurs are rated at?
> 
>         --david
> 
> _______________________________________________
> Linux-IA64 mailing list
> Linux-IA64@linuxia64.org
> http://lists.linuxia64.org/lists/listinfo/linux-ia64


  parent reply	other threads:[~2002-05-29 17:18 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-22  3:08 [Linux-ia64] NTP broken? Peter Chubb
2002-05-22  8:09 ` Andreas Schwab
2002-05-25  2:33 ` David Mosberger
2002-05-28 22:48 ` Luck, Tony
2002-05-28 23:05 ` David Mosberger
2002-05-29  5:04 ` Peter Chubb
2002-05-29  5:13 ` Peter Chubb
2002-05-29 15:01 ` David Mosberger
2002-05-29 17:18 ` Rich Altmaier [this message]
2002-05-30  3:55 ` David Mosberger

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