Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756443AbYFNXuh (ORCPT ); Sat, 14 Jun 2008 19:50:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755656AbYFNXu0 (ORCPT ); Sat, 14 Jun 2008 19:50:26 -0400 Received: from wa-out-1112.google.com ([209.85.146.180]:31587 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755627AbYFNXuZ (ORCPT ); Sat, 14 Jun 2008 19:50:25 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=K2rJM06nPyJZ2tV2UB1pT6nGFzMYdb7OC80SBjw5ZcQIkykNjLvc1GxrheqvZpdLhn IsWZgTR1/Fx9IdFPyPI87l5cDUPWyiNSM8CJrVEsjiGA6fIddsH5tDAzYvUaFfMz6vo/ hF8Woqe2SCfEmya7Q4zTb3iOWyE/OutQaTL3A= Message-ID: <6278d2220806141650t520027ccw46d4ee936d101501@mail.gmail.com> Date: Sun, 15 Jun 2008 00:50:24 +0100 From: "Daniel J Blueman" To: "Vegard Nossum" Subject: Re: 2.6.26-rc5: SLUB debug, lockdep warning... Cc: "Christoph Lameter" , "Linux Kernel" , "Thomas Gleixner" , "Ingo Molnar" , "Pekka Enberg" In-Reply-To: <19f34abd0806141423m18e35f29qb736d44460d70785@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6278d2220806140354i7f163086i6127664d8c2d88a9@mail.gmail.com> <19f34abd0806141423m18e35f29qb736d44460d70785@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1345 Lines: 39 On Sat, Jun 14, 2008 at 10:23 PM, Vegard Nossum wrote: > On Sat, Jun 14, 2008 at 12:54 PM, Daniel J Blueman > wrote: >> When enabling lockdep + SLUB debugging, I spotted this recursive >> lock-acquisition warning [1] when booting, however it doesn't always >> pop out. > > This seems to be the work of > > commit 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 > Author: Thomas Gleixner > Date: Wed Apr 30 00:55:01 2008 -0700 > > infrastructure to debug (dynamic) objects > > ...which by the way changed SLUB without any SOBs from any of the SLUB > maintainers? > Anyway, adding some Ccs. Thanks for the detective work Vegard! >> Let me know if you need further information etc. > > Exact kernel version and your config file would be useful (please post > it online somewhere if possible). Thanks! 2.6.26-rc5 mainline, x86-64 dual-core with maximal debug, running stock Ubuntu 8.04 desktop, NFSv4 home; seems to trigger always with nscd loading on boot. Config at: http://quora.org/slub-lockdep-config -- Daniel J Blueman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/