Subject: Re: [BUG] 2.6.24-rc2-mm1 - kernel bug on nfs v4

From: Andrew Morton <[email-masked]>
Date: Sat, 17 Nov 2007 10:19:57 -0800

On Sat, 17 Nov 2007 19:09:46 +0100 Ingo Molnar <[email-masked]> wrote:

> 
> * Torsten Kaiser <[email-masked]> wrote:
> 
> > Sadly lockdep does not work for me, as it gets turned off early:
> > [   39.851594] ---------------------------------
> > [   39.855963] inconsistent {softirq-on-W} -> {in-softirq-W} usage.
> > [   39.861981] swapper/0 [HC0[0]:SC1[1]:HE0:SE0] takes:
> > [   39.866963]  (&n->list_lock){-+..}, at: [<ffffffff802935c1>]
> 
> hey, that means it found a bug - which is not sad at all :-)
> 

mutter.

Torsten, you could try CONFIG_SLAB=y, CONFIG_SLUB=n to see if you can make
some progress on the NFS problem.