linux-kernel - Re: Clocksource tsc unstable (delta = -8589361717 ns) in current git

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Message-ID: <20101026175639.GF1637@arch.trippelsdorf.de>
Date:	Tue, 26 Oct 2010 19:56:39 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Borislav Petkov <bp@...64.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"hpa@...ux.intel.com" <hpa@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	John Stultz <johnstul@...ibm.com>
Subject: Re: Clocksource tsc unstable (delta = -8589361717 ns) in current
 git

On Tue, Oct 26, 2010 at 05:48:41PM +0200, Thomas Gleixner wrote:
> On Tue, 26 Oct 2010, Markus Trippelsdorf wrote:
> > On Tue, Oct 26, 2010 at 03:18:43PM +0200, Borislav Petkov wrote:
> > > otherwise, I don't see anything strange in your dmesg. Unless tglx has a
> > > better idea, I'd ask you to bisect it. 5618 changesets shouldn't be that
> > > much but I don't know, if the issue appears every several hours it could
> > > still be tedious.
> > 
> > That would be a several week long process, as the issue appears ~ every
> > 2 days here on this machine running 24/7.
> 
> There is only a single commit in that area post 2.6.36:
> 
>       8af3c153baf95374eff20a37f00c59a295b52756 

There is also: acf01734b1747b1ec4be6f159aff579ea5f7f8e2
but I'm not sure if this commit is really relevant.

-- 
Markus
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