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Date: Wed, 1 Mar 2006 14:26:31 -0800
From: Andrew Morton <akpm@osdl.org>
To: Greg KH <greg@kroah.com>
Cc: pj@sgi.com, ebiederm@xmission.com, linux-kernel@vger.kernel.org,
       "Zhang, Yanmin" <yanmin.zhang@intel.com>
Subject: Re: + proc-dont-lock-task_structs-indefinitely-cpuset-fix-2.patch
 added to -mm tree
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Greg KH <greg@kroah.com> wrote:
>
> On Wed, Mar 01, 2006 at 12:58:02PM -0800, Paul Jackson wrote:
> > Greg wrote:
> > > As reported this is expected, and can be ignored safely.  It's just scsi
> > > being bad :)
> > 
> > Yeah - so I eventually realized.
> > 
> > > >  [<a0000001001eac90>] sysfs_create_group+0x30/0x2a0
> > > >                                 sp=e00002343bd97d50 bsp=e00002343bd91120
> > > >  [<a000000100809190>] topology_cpu_callback+0x70/0xc0
> > > >                                 sp=e00002343bd97d60 bsp=e00002343bd910f0
> > > >  [<a000000100809260>] topology_sysfs_init+0x80/0x120
> > > >                                 sp=e00002343bd97d60 bsp=e00002343bd910d0
> > > 
> > > This points at the sysfs cpu patches that are in -mm, which are not in
> > > my tree...
> > 
> > So ... what does that mean for who should be looking at this?
> 
> Hm, looks like that stuff went into mainline already, sorry I thought it
> was still in -mm.
> 
> Look at changeset 69dcc99199fe29b0a29471a3488d39d9d33b25fc for details.

But Paul bisected it down to a particular not-merged patch,
gregkh-driver-allow-sysfs-attribute-files-to-be-pollable.patch, which I'll
admit doesn't look like it'll cause this.

Paul, did you test
http://www.zip.com.au/~akpm/linux/patches/stuff/2.6.16-rc5-mm2-pre1.gz?  That has the
sysfs-pollable patches reverted.

> I've cced Yanmin, who did that work.

You missed.  I've added Yanmin now.