From: Thomas Gleixner <tglx@linutronix.de>
To: Joerg Sommrey <jo@sommrey.de>
Cc: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.21: pmtmr losing time
Date: Mon, 30 Apr 2007 18:23:36 +0200 [thread overview]
Message-ID: <1177950216.5791.241.camel@localhost.localdomain> (raw)
In-Reply-To: <20070430125200.GA5379@sommrey.de>
On Mon, 2007-04-30 at 14:52 +0200, Joerg Sommrey wrote:
> Hi all,
>
> after switching to 2.6.21 the system clock sporadically loses time on my
> box (i386, Athlon MP).
> It's always around 4.68 seconds and happened 7 times in the last 12
> hours. A simple calculation (2 ^ ACPI_PM_MASK / PMTMR_TICKS_PER_SEC =
> 2 ^ 24 / 3579545 = 4.686968875) shows: There is almost exactly one
> pmtmr-cycle missing. Could this be caused by a pmtmr-wrap when the
> system is in a sleep state?
Hmm, looks like. That's strange we don't sleep 4.68 seconds. Can you
provide me the output of /proc/timer_list please ?
tglx
next prev parent reply other threads:[~2007-04-30 16:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-30 12:52 Linux 2.6.21: pmtmr losing time Joerg Sommrey
2007-04-30 16:23 ` Thomas Gleixner [this message]
2007-04-30 16:39 ` Joerg Sommrey
2007-04-30 21:38 ` Thomas Gleixner
2007-05-01 7:36 ` Joerg Sommrey
2007-05-14 16:20 ` Joerg Sommrey
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