From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760112AbZEPXIg (ORCPT ); Sat, 16 May 2009 19:08:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757867AbZEPXEb (ORCPT ); Sat, 16 May 2009 19:04:31 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:44989 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757675AbZEPXEa (ORCPT ); Sat, 16 May 2009 19:04:30 -0400 Date: Sat, 16 May 2009 16:03:45 -0700 From: Andrew Morton To: Peter Zijlstra Cc: Jonathan Corbet , LKML , Ingo Molnar Subject: Re: 2.6.30-rc kills my box hard - and lockdep chains Message-Id: <20090516160345.5bec42d7.akpm@linux-foundation.org> In-Reply-To: <1242365555.26820.51.camel@twins> References: <20090514094951.36fd7333@bike.lwn.net> <1242365555.26820.51.camel@twins> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 15 May 2009 07:32:35 +0200 Peter Zijlstra 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 > 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?