Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932299AbXHJJqX (ORCPT ); Fri, 10 Aug 2007 05:46:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759053AbXHJJqF (ORCPT ); Fri, 10 Aug 2007 05:46:05 -0400 Received: from crystal.sipsolutions.net ([195.210.38.204]:50879 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752417AbXHJJqD (ORCPT ); Fri, 10 Aug 2007 05:46:03 -0400 Subject: Re: 2.6.23-rc2-mm1 -- INFO: possible circular locking dependency detected From: Johannes Berg To: Alexey Starikovskiy Cc: Andrew Morton , Miles Lane , LKML , ACPI Devel Maling List , Oleg Nesterov In-Reply-To: <46BB996A.4020605@gmail.com> References: <20070809135834.b18ac717.akpm@linux-foundation.org> <46BB996A.4020605@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-4xPKSKGWfGwZ/PMAw5/B" Date: Fri, 10 Aug 2007 11:47:55 +0200 Message-Id: <1186739275.9771.10.camel@johannes.berg> Mime-Version: 1.0 X-Mailer: Evolution 2.10.3 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1235 Lines: 40 --=-4xPKSKGWfGwZ/PMAw5/B Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2007-08-10 at 02:47 +0400, Alexey Starikovskiy wrote: > > Presumably the new debugging patches in -mm > > (workqueue-debug-flushing-deadlocks-with-lockdep.patch and > > workqueue-debug-work-related-deadlocks-with-lockdep.patch) think they h= ave > > found a potential deadlock in ACPI. I don't have time to pick through = the > > code to confirm that, but boy I'm good at adding cc's ;) > Yep, it indeed may lock up... Here is a patch to avoid it Cool. I'm impressed this stuff actually finds something :) johannes --=-4xPKSKGWfGwZ/PMAw5/B Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iD8DBQBGvDRK/ETPhpq3jKURAsRcAJwIk8EgfDPnzaeq1pWyE0QXdyOzpQCfdk8D nSq9d6tbAp3sl8GNG+iGIc8= =6d+j -----END PGP SIGNATURE----- --=-4xPKSKGWfGwZ/PMAw5/B-- - 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/