linux-kernel - Re: 2.6.25-rc5-git6: Reported regressions from 2.6.24

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Message-ID: <alpine.LFD.1.00.0803261418330.3781@apollo.tec.linutronix.de>
Date:	Wed, 26 Mar 2008 15:51:40 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Gabriel C <crazy@...galware.org>
cc:	Gabriel C <nix.or.die@...glemail.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Natalie Protasevich <protasnb@...il.com>,
	andi-bz@...stfloor.org, Ingo Molnar <mingo@...e.hu>
Subject: Re: 2.6.25-rc5-git6: Reported regressions from 2.6.24

On Wed, 26 Mar 2008, Gabriel C wrote:
> Thomas Gleixner wrote:
> > On Mon, 24 Mar 2008, Gabriel C wrote:
> >>> Hmm. Can you please apply the patch below. It add some more info and
> >>> triggers the sysrq-q timer list printout when the watchdog
> >>> triggers. That might us give some insight into this.
> >> Sorry for the lag , I was out the whole day.
> >>
> >> Here is what I've found in dmesg ( the box was idling at that time , as said I was not around ):
> >>
> >> ...
> >>
> >> [34528.893366] Clocksource tsc unstable (delta = 4686697613 ns) E:34204592 J:34210723
> > 
> > Ok. The timer got delayed. It got delayed because it is initialized as
> > a deferrable timer, which is obviously wrong. Sigh, I signed off on
> > that commit myself without thinking about the consequences.
> > 
> > Can you please apply the patch below on top of the others?
> 
> Box is up for almost one day with that patch on top the other ones and everything is fine so far.

Thanks for testing. I push the patches Linuswards.

@Andi: The revert of the reverted clocksource watchdog is staged for .26

Thanks,

	tglx
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