linux-kernel - Re: [stable] Soft lockups since stable kernel upgrade to 2.6.23.8

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Message-ID: <20071120170420.GA15954@kroah.com>
Date:	Tue, 20 Nov 2007 09:04:20 -0800
From:	Greg KH <greg@...ah.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Chuck Ebbert <cebbert@...hat.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>, gregkh@...e.de,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	Javier Kohen <jkohen@...rs.sourceforge.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David <david@...olicited.net>
Subject: Re: [stable] Soft lockups since stable kernel upgrade to 2.6.23.8

On Tue, Nov 20, 2007 at 07:08:08AM +0100, Ingo Molnar wrote:
> 
> * Chuck Ebbert <cebbert@...hat.com> wrote:
> 
> > On 11/17/2007 07:55 PM, Ingo Molnar wrote:
> > > * Greg KH <greg@...ah.com> wrote:
> > > 
> > >> Great, thanks for tracking this down.
> > >>
> > >> Ingo, this corrisponds to changeset 
> > >> a115d5caca1a2905ba7a32b408a6042b20179aaa in mainline.  Is that patch 
> > >> incorrect?  Should this patch in the -stable tree be reverted?
> > > 
> > > hm, there are no such problems in .24 and the cpu_clock() and other 
> > > fixes i did were not picked up. Find the missing fixes below. They 
> > > should work just fine in .23 as it has the cpu_clock() functionality 
> > > too.
> > > 
> > > [ NOTE: the most robust thing is to make the .23 version match the .24
> > >   version of kernel/softlockup.c, so i included two other harmless
> > >   changes in this diff as well. ]
> > > 
> > > 	Ingo
> > > 
> > > ----------->
> > > commit a5f2ce3c6024a5bb895647b6bd88ecae5001020a
> > > Author: Ingo Molnar <mingo@...e.hu>
> > > Date:   Tue Oct 16 23:26:08 2007 -0700
> > > 
> > > commit 43581a10075492445f65234384210492ff333eba
> > > Author: Ingo Molnar <mingo@...e.hu>
> > > Date:   Tue Oct 16 23:26:08 2007 -0700
> > 
> > Those are just cosmetic / cleanup changes.
> > 
> > Don't you need commit a3b13c23f186ecb57204580cc1f2dbe9c284953a ??
> 
> yes:
> 
> > > [...] the cpu_clock() and other fixes i did were not picked up.
> 
> i just forgot to attach the cpu_clock() changes - they are in a3b13c23.

Ok, I've now added that patch too :)

Hopefully this is all straightened out now, I'll go cut a -rc for the
next stable so people can test...

thanks,

greg k-h
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