From: Thomas Gleixner <tglx@linutronix.de>
To: Joel Daniels <jdaniels@sent.com>,
John Stultz <john.stultz@linaro.org>,
Stephen Boyd <sboyd@kernel.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Time keeping while suspended in the presence of persistent clock drift
Date: Sat, 11 Dec 2021 14:36:04 +0100 [thread overview]
Message-ID: <87wnkbuuuz.ffs@tglx> (raw)
In-Reply-To: <b074f506-2568-4506-9557-4a9bc9cbea83@www.fastmail.com>
Joel!
On Thu, Dec 09 2021 at 11:06, Joel Daniels wrote:
> I have an x86 laptop whose CMOS (RTC) clock gains an extra 3.75 seconds
> per day that it is suspended (S3) or off. It keeps time quite accurately
> while awake using the TSC clock source. I use the machine about 1 hour
> per day with the machine in the S3 sleep state for the remaining 23
> hours.
>
> The machine is not usually connected to a network and I do not run an
> NTP daemon (though I do not believe this is relevant). When cold
Believe does not help much for analyzing technical problems. :)
Can you please verify that the problem persists with NTP enabled and
synchronized?
Thanks,
tglx
next prev parent reply other threads:[~2021-12-11 13:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-09 17:55 Time keeping while suspended in the presence of persistent clock drift Joel Daniels
2021-12-09 18:06 ` Joel Daniels
2021-12-11 13:36 ` Thomas Gleixner [this message]
2021-12-13 13:39 ` Joel Daniels
2021-12-14 13:57 ` Thomas Gleixner
2021-12-14 17:43 ` Joel Daniels
2021-12-15 21:06 ` John Stultz
2021-12-15 21:32 ` Alexandre Belloni
2021-12-15 22:02 ` John Stultz
2021-12-15 22:33 ` Thomas Gleixner
2021-12-15 23:10 ` John Stultz
2021-12-15 22:42 ` Joel Daniels
2021-12-15 23:26 ` John Stultz
2021-12-15 23:36 ` Alexandre Belloni
2021-12-16 0:09 ` Joel Daniels
2021-12-15 23:28 ` Alexandre Belloni
2021-12-15 21:42 ` Alexandre Belloni
2021-12-15 22:05 ` Joel Daniels
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