Re: 2.6.32.2 - WARNING: at lib/kref.c:43 kref_get+0x,23/0x2b()

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On Wed, Feb 17, 2010 at 04:14:35PM +0100, Nikola Ciprich wrote:
> Well,
> I did a lot of stress tests, and it seems to be pretty random, and what's
> worse, I think it is more then one problem, oh great...
> Seems that at least one of my NFS problems was in fact caused by ext4 regression
> (what FS are you using?)
> applying this one: http://bugzilla.kernel.org/attachment.cgi?id=24975
> improved things for me a lot (see http://bugzilla.kernel.org/show_bug.cgi?id=15231 for
> full discussion).
> I'll watch the machine for next few days and report...

Is there *any* kernel (however old) on which you are confident you can
*not* reproduce the kref bug?

--b.

> regards
> nik
> 
> On Tue, Feb 16, 2010 at 03:29:47PM -0500, J. Bruce Fields wrote:
> > On Tue, Feb 16, 2010 at 09:27:20PM +0100, Nikola Ciprich wrote:
> > > > Nothing yet.  I'm taking another look.
> > > > 
> > > > Do you know what the most recent version was where you did *not* see
> > > > these warnings?
> > > well, actually I decided I'll bisect this one no matter what, so hopefully
> > > we'll see soon :)
> > > I'll report
> > 
> > That would be fantastic, thanks.  What test-case are you using?
> > 
> > Any partial information ("xxxx good, xxxx bad") would also be useful.
> > 
> > --b.
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> 
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