linux-kernel - Re: [Regression] Commit 2344abbcbdb82140050e8be29d3d55e4f6fe860b breaks resume on nx6325

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Message-Id: <200809221737.32117.rjw@sisk.pl>
Date:	Mon, 22 Sep 2008 17:37:31 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kernel Testers <kernel-testers@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@...e.cz>
Subject: Re: [Regression] Commit 2344abbcbdb82140050e8be29d3d55e4f6fe860b breaks resume on nx6325

On Monday, 22 of September 2008, Ingo Molnar wrote:
> 
> * Rafael J. Wysocki <rjw@...k.pl> wrote:
> 
> > So, it looks like RCU is broken and I have no idea how to debug it 
> > further.
> > 
> > Please advise.
> 
> i think RCU is not broken, RCU just happens to be the first entity 
> affected by C1E-enter magically killing the (previously working) lapic 
> timer clockevents device.

Well, I should have said "RCU breaks as a result of the underlying issue". :-)

> We are working on a fix. 

Thanks!

Rafael
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