linux-kernel - Re: 2.6.27-rc6: nohz + s2ram = need to press keys to get progress

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Message-Id: <200809122245.45723.rjw@sisk.pl>
Date:	Fri, 12 Sep 2008 22:45:44 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Pavel Machek <pavel@...e.cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	"Linux-pm mailing list" <linux-pm@...ts.osdl.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: 2.6.27-rc6: nohz + s2ram = need to press keys to get progress

On Friday, 12 of September 2008, Thomas Gleixner wrote:
> On Fri, 12 Sep 2008, Rafael J. Wysocki wrote:
> 
> > On Friday, 12 of September 2008, Pavel Machek wrote:
> > > Hi!
> > > 
> > > The old "you have to press keys to get machine to progress" seems to
> > > be back :-(. Thinkpad x60.
> > 
> > I guess the last bunch of HPET/clockevents patches caused that to happen.
> 
> Guessing is hardly a good method to get down to the root cause of
> those problems.

Well, sure.

> > We seem to be doing a "one step forward, one step back" thing here ...
> 
> Well, the fixes for HPET/clockevents fix real bugs and there are no
> evident side effects vs. s2ram inside. quite the contrary.

So that must be something different.

Thanks,
Rafael
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