Re: 2.6.30-rc kills my box hard - and lockdep chains

[Andrew Morton]

On Fri, 15 May 2009 07:32:35 +0200 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Thu, 2009-05-14 at 09:49 -0600, Jonathan Corbet wrote:
> > First time gave me:
> > 
> >         BUG: MAX_LOCKDEP_ENTRIES too low!
> > 
> > So I doubled it.  Now I get:
> > 
> > May 14 01:06:55 bike kernel: [38730.804833] BUG: MAX_LOCKDEP_CHAINS
> > too low!
> 
> Ingo recently raised these numbers, from the -tip tree:
> 
> commit d80c19df5fcceb8c741e96f09f275c2da719efef
> Author: Ingo Molnar <mingo@xxxxxxx>
> Date:   Tue May 12 16:29:13 2009 +0200
> 
>     lockdep: increase MAX_LOCKDEP_ENTRIES and MAX_LOCKDEP_CHAINS
> 
> 
> This will likely make its way upstream soonish.

That patch isn't in linux-next and I can't be bothered going off and
finding it.

Jon said that doubling MAX_LOCKDEP_CHAINS didn't help.  How much did
the above patch increase things by?

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