Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754423AbYLNJW4 (ORCPT ); Sun, 14 Dec 2008 04:22:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751741AbYLNJWp (ORCPT ); Sun, 14 Dec 2008 04:22:45 -0500 Received: from mout.perfora.net ([74.208.4.195]:52176 "EHLO mout.perfora.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751087AbYLNJWo (ORCPT ); Sun, 14 Dec 2008 04:22:44 -0500 X-Greylist: delayed 307 seconds by postgrey-1.27 at vger.kernel.org; Sun, 14 Dec 2008 04:22:44 EST Date: Sun, 14 Dec 2008 03:16:59 -0600 From: Robby Workman To: brian@interlinx.bc.ca Cc: linux-kernel@vger.kernel.org Subject: Re: suspend/resume fails on second attempt in LNXVIDEO:00 Message-ID: <20081214031659.4b700a2d@liberty.rlwhome.lan> X-Mailer: Claws Mail 3.6.1 (GTK+ 2.12.12; i486-slackware-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/VuFa74WwV5Fw3uLmZt2krss"; protocol="application/pgp-signature"; micalg=PGP-SHA1 X-Provags-ID: V01U2FsdGVkX18tKBthbuRparz5/+ZuXHSKZyXHPCosDQQTLSC uDe2ykDh0udwdPAr1zvfryG8KFlqJ6Lz7G4b2CLKjDtQGlzd1o BIOJ57K5RLgy01uw2W7iw== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1763 Lines: 49 --Sig_/VuFa74WwV5Fw3uLmZt2krss Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable In linux.kernel, Brian J. Murrell wrote: > I'm trying to debug a resume problem on a compaq presario C700 laptop > on the Ubuntu 2.6.24-22-generic kernel. > > SNIPPED > > These symptoms mirror a lot of other reports with this machine in that > the first suspend/resume cycle works but a second attempts > (apparently) suspends fine but fails on resume. The backlight on the > video does not come back and neither does the wireless connection, so > I'm not positive the problems are purely video related. > > How can I proceed from here to further debug what kind of workarounds > or solutions I might be able to use to get reliable suspend/resume > functionality? Assuming Ubuntu uses pm-utils for suspend/hibernate operations, then I suspect you're needing this patch - the symptoms fit (suspend works the first time, but fails thereafter), especially if a reboot causes suspend to work fine again the first time... http://cgit.freedesktop.org/pm-utils/commit/?id=3D6c9f2959a36e608e4d1f71230= a9eaaa77940c54e -RW --Sig_/VuFa74WwV5Fw3uLmZt2krss Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEARECAAYFAklEzw8ACgkQvGy9tf6lsvu6dACfR0gHdpsdDlFq55zpIeoljcKz QGsAnR2llqJJUtxdvyywX0vervIfPDjv =5cZ2 -----END PGP SIGNATURE----- --Sig_/VuFa74WwV5Fw3uLmZt2krss-- -- 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/