From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758522Ab3GPCML (ORCPT ); Mon, 15 Jul 2013 22:12:11 -0400 Received: from mail-pa0-f45.google.com ([209.85.220.45]:45013 "EHLO mail-pa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755369Ab3GPCMK (ORCPT ); Mon, 15 Jul 2013 22:12:10 -0400 Date: Mon, 15 Jul 2013 19:12:05 -0700 From: =?utf-8?B?U8O2cmVu?= Brinkmann To: "Srivatsa S. Bhat" Cc: Willy Tarreau , Greg Kroah-Hartman , stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [REGRESSION 3.10.1] System does not wake up from suspend Message-ID: <20130716021205.GB2162@skorgonTP.att.net> References: <20130715043625.GA2162@skorgonTP.att.net> <20130715045400.GU32054@1wt.eu> <51E39BAB.4060308@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="OBd5C1Lgu00Gd/Tn" Content-Disposition: inline In-Reply-To: <51E39BAB.4060308@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --OBd5C1Lgu00Gd/Tn Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 15, 2013 at 12:20:19PM +0530, Srivatsa S. Bhat wrote: > On 07/15/2013 10:24 AM, Willy Tarreau wrote: > > On Sun, Jul 14, 2013 at 09:36:25PM -0700, S=C3=B6ren Brinkmann wrote: > >> Hi Greg, > >> > >> since upgrading to 3.10.1 I find my system not waking up from suspend > >> from time to time. Unfortunately, I couldn't figure out how to reliably > >> reproduce the issue. Sometimes it works just fine. > >> > >> All I know so far: > >> On 3.10 I had my system completely freezing a few times. But that did > >> not seem to be related to suspend/resume. I never experienced the > >> behavior described below on 3.10. > >> > >> On 3.10.1 I hit this bug a few times, that my system did not wake up. > >> I.e. the screen stayed black and the power LED kept flashing. But > >> nothing brought the system back up and I had to longpress power to res= et > >> the system. > >> I had none of the system freezes like the ones described above anymore. > >=20 > > Fortunately, 3.10.1 is very small. The only patch it contains which is > > related to suspend is 18/19 (cpufreq ondemand governor). Maybe you're > > having a problem with cpufreq on this machine in fact. > >=20 > > You may want to try to force it to performance mode or powersave mode > > and try for a while, it is possible that both 3.10 and 3.10.1 will work > > fine. > >=20 >=20 > Or, you could try applying the patch shown below on top of 3.10.1 and > see if it fixes the suspend/resume regression for you. >=20 > https://lkml.org/lkml/2013/7/11/661 >=20 > (Just apply patch 1, not the entire patchset). Thanks for your answers. I'll give this one a shot and fall back to forcing a different cpufreq governor if it doesn't help. S=C3=B6ren --OBd5C1Lgu00Gd/Tn Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQEcBAEBAgAGBQJR5Kv1AAoJEE3EUu+tZnRfzmEH/1CNeAUt4i6izWDw6qA+Je79 E/mWz0+ujFgHq/EIQmFAaG186HvpcNlMJpv688uGM3pIyZpuHBzkUj/qTWsalXyz qef8cOpZ30C3fyye3aVCXIRgIDpY1a808F1FFtm8V2qOwORPorDmLL/pE3zmOiLu kADoWgpGG3/WpfborTpaCE9cnlncixi1ELBqrq8Majf8HdJjwJk6kqqqmfcpNbFz YVUrQ0HCLuMoER7Jcix0zWu4FNS5IT6gJ0CLrN4vi52kbeM4M4rbhKrltrPCuNdQ jlh24d6m4ToTwYQiQQeK+ObCcQmv6CCIQMKjUt6gE0XxxVoMe2GS0xgS8Wg1lsU= =tgsY -----END PGP SIGNATURE----- --OBd5C1Lgu00Gd/Tn--