Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752392AbXJAAoc (ORCPT ); Sun, 30 Sep 2007 20:44:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751083AbXJAAoZ (ORCPT ); Sun, 30 Sep 2007 20:44:25 -0400 Received: from os.inf.tu-dresden.de ([141.76.48.99]:47979 "EHLO os.inf.tu-dresden.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750757AbXJAAoY (ORCPT ); Sun, 30 Sep 2007 20:44:24 -0400 Date: Mon, 1 Oct 2007 02:44:17 +0200 From: "Udo A. Steinberg" To: Frans Pop Cc: Andrew Morton , linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: [2.6.23-rc8-mm2] System hangs (loops?) during boot Message-ID: <20071001024417.3478c2be@laptop.hypervisor.org> In-Reply-To: <200710010207.34430.elendil@planet.nl> References: <200709282225.21530.elendil@planet.nl> <200709302350.30612.elendil@planet.nl> <20071001000037.475473bd@laptop.hypervisor.org> <200710010207.34430.elendil@planet.nl> X-Mailer: X-Mailer 5.0 Gold Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/giKZfJw.fkKH3CQpFc9q+/c"; protocol="application/pgp-signature"; micalg=PGP-SHA1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2065 Lines: 64 --Sig_/giKZfJw.fkKH3CQpFc9q+/c Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 1 Oct 2007 02:07:33 +0200 Frans Pop (FP) wrote: FP> On Monday 01 October 2007, you wrote: FP> > I was suggesting to download 2.6.23-rc8 and applying the -hrt patchset FP> > at FP> > http://www.kernel.org/pub/linux/kernel/people/tglx/hrtimers/2.6.23-rc= 8/ FP> > on top of it. FP>=20 FP> Ah, OK. I'm afraid that was not at all clear from your previous FP> message :-/ Yeah, sorry about that. FP> During 'make oldconfig' I got a config question about "CPU idle FP> support", which does not seem to be in rc8-mm2; is that correct? I FP> answered N. Shouldn't matter either way. Answering 'Y' gives you a more sophisticated C-state governor that improves battery life. FP> The system does boot with rc8 + hrt1. Good. That seems to confirm my suspicion that the real problem is caused by something in -mm which is not in -hrt. However, I have no idea what exactly could be going wrong. FP> Andrew: any suggestions on how to trace the "real" culprit for the hang? FP>=20 FP>=20 FP> Udo: I did see one issue during boot with this rc8 + hrt1 kernel. FP> System is Debian unstable. FP> Setting the system clock.. FP> select() to /dev/rtc to wait for clock tick timed out Thomas and Andrew are the best people to ask about what exactly has been merged from -hrt into -mm. Maybe they can chime in here. Cheers, - Udo --Sig_/giKZfJw.fkKH3CQpFc9q+/c Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFHAELhnhRzXSM7nSkRAkznAJ9lIhcbRzbFDOKTEkZrkFUwttTFqgCeLb+J cw5bvFEASngSzkqtOqoasLw= =cDlY -----END PGP SIGNATURE----- --Sig_/giKZfJw.fkKH3CQpFc9q+/c-- - 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/