linux-kernel - Re: Regression in 2.6.23-rc2-mm2, mounting cpusets causes a hang

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Message-ID: <20070815170826.GA13286@vino.hallyn.com>
Date:	Wed, 15 Aug 2007 12:08:26 -0500
From:	"Serge E. Hallyn" <serge@...lyn.com>
To:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
Cc:	"Serge E. Hallyn" <serge@...lyn.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Christoph Lameter <clameter@....com>, bob.picco@...com,
	nacc@...ibm.com, kamezawa.hiroyu@...fujitsu.com, mel@...net.ie,
	akpm@...ux-foundation.org, Balbir Singh <balbir@...ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	lkml <linux-kernel@...r.kernel.org>,
	ckrm-tech <ckrm-tech@...ts.sourceforge.net>
Subject: Re: Regression in 2.6.23-rc2-mm2, mounting cpusets causes a hang

Quoting Dhaval Giani (dhaval@...ux.vnet.ibm.com):
> Hi,
> 
> On Wed, Aug 15, 2007 at 11:31:42AM -0500, Serge E. Hallyn wrote:
> > Quoting Lee Schermerhorn (Lee.Schermerhorn@...com):
> > > On Wed, 2007-08-15 at 09:31 -0500, Serge E. Hallyn wrote:
> > > > Quoting Lee Schermerhorn (Lee.Schermerhorn@...com):
> > > > > On Tue, 2007-08-14 at 14:56 -0700, Christoph Lameter wrote:
> > > > > > On Tue, 14 Aug 2007, Lee Schermerhorn wrote:
> > > > > > 
> > Ok, I'll try this soon as I have a chance.  To be honest when I first
> > looked at this and saw that node_states[] was only being initialized
> > for the first two entries this was my first instinct, except I had
> > no idea what the right way to initilaize it was :)  Cause I am
> > completely numa-challenged.
> >
> 
> I just tried it out and it is not triggering the bug. So i guess it
> works :).

Great, thanks for checking.

I vote let's go with Lee's patch, then.

-serge
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