From: Andrew Morton <akpm@linux-foundation.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>
Subject: Re: 2.6.30-rc kills my box hard - and lockdep chains
Date: Sat, 16 May 2009 16:03:45 -0700 [thread overview]
Message-ID: <20090516160345.5bec42d7.akpm@linux-foundation.org> (raw)
In-Reply-To: <1242365555.26820.51.camel@twins>
On Fri, 15 May 2009 07:32:35 +0200 Peter Zijlstra <peterz@infradead.org> 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@elte.hu>
> 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?
next prev parent reply other threads:[~2009-05-16 23:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-14 15:49 2.6.30-rc kills my box hard - and lockdep chains Jonathan Corbet
2009-05-15 5:32 ` Peter Zijlstra
2009-05-16 23:03 ` Andrew Morton [this message]
2009-05-16 23:13 ` Jonathan Corbet
2009-05-16 23:14 ` Andrew Morton
2009-05-17 0:38 ` Frederic Weisbecker
2009-05-17 1:23 ` Frederic Weisbecker
2009-05-17 1:48 ` Ming Lei
2009-05-18 19:02 ` Jonathan Corbet
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