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

[Jesper Krogh]

J. Bruce Fields wrote:
> 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?

I have got a bug that looks a lot like this on 2.6.32.8 yesterday less 
than 24 hours after booting the first 2.6.32 kernel but we have been 
running on 2.6.31 for 3 months before, so I'm fairly confident that it 
is a .31 -> .32 regression.

http://lkml.org/lkml/2010/2/23/70

Jesper
--
Jesper



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