From: Joerg Sommrey <jo@sommrey.de>
To: Thomas Gleixner <tglx@linutronix.de>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.21: pmtmr losing time
Date: Mon, 14 May 2007 18:20:26 +0200 [thread overview]
Message-ID: <20070514162026.GA9407@sommrey.de> (raw)
In-Reply-To: <20070501073624.GA6835@sommrey.de>
On Tue, May 01, 2007 at 09:36:24AM +0200, Joerg Sommrey wrote:
> On Mon, Apr 30, 2007 at 11:38:34PM +0200, Thomas Gleixner wrote:
> > On Mon, 2007-04-30 at 18:39 +0200, Joerg Sommrey wrote:
> > > Here it is. Maybe this problem is related to the usage of the
> > > "experimental" amd76x_pm module?
> >
> > Can you please verify what happens w/o that module ?
> >
> After rebooting the problem vanished for now. It first appeared after
> an uptime of about 3 days. I'll wait a few days. If it shows
> again, then I'll check without amd76x_pm.
It really looks like amd76x_pm is causing the time loss. Sadly, I have
no idea how to avoid this. What happens when the pm-timer wraps around
while the processors are in C3 sleep state? How is this wrap detected
at all? Is there anything I could put into amd76x_pm? It's no problem
detecting a timer wrap there.
-jo
--
-rw-r--r-- 1 jo users 62 2007-05-13 21:55 /home/jo/.signature
prev parent reply other threads:[~2007-05-14 16:20 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
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 [this message]
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