linux-kernel - Re: [bisected] Clocksource tsc unstable git

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Message-ID: <20101124112530.GA6005@kryptos.osrc.amd.com>
Date:	Wed, 24 Nov 2010 12:25:30 +0100
From:	Borislav Petkov <bp@...64.org>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	john stultz <johnstul@...ibm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"hpa@...ux.intel.com" <hpa@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>,
	"Herrmann3, Andreas" <Andreas.Herrmann3@....com>,
	"heiko.carstens@...ibm.com" <heiko.carstens@...ibm.com>,
	"a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
	"avi@...hat.com" <avi@...hat.com>,
	"mtosatti@...hat.com" <mtosatti@...hat.com>
Subject: Re: [bisected] Clocksource tsc unstable git

On Thu, Nov 18, 2010 at 12:21:20AM +0100, Markus Trippelsdorf wrote:
> Any update on this issue?
> 
> Borislav's patch solves the mysterious "slowdown" problem and is running
> without problems for the last two weeks here. 
> 
> (And rc2 is already out. So maybe it's time to push this to Linus so
> that more people have a chance to test it?)

Yep, we definitely need some kind of fix for this. It just triggered on
me on -rc3 (system became sluggish, everything advanced only after a
keypress along with the already familiar clocksource unstable message in
dmesg).

Thomas, want me to rebase the patch ontop of tip:master?

Thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
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