Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755122Ab3FGBRK (ORCPT ); Thu, 6 Jun 2013 21:17:10 -0400 Received: from mail-pb0-f54.google.com ([209.85.160.54]:35891 "EHLO mail-pb0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754553Ab3FGBRH (ORCPT ); Thu, 6 Jun 2013 21:17:07 -0400 Message-ID: <51B134A6.1020808@gmail.com> Date: Fri, 07 Jun 2013 09:17:26 +0800 From: Aaron Lu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 MIME-Version: 1.0 To: Boszormenyi Zoltan CC: dri-devel@lists.freedesktop.org, lkml , linux-acpi@vger.kernel.org, Steve Tilden Subject: Re: New prototype computer problem with S3 suspend References: <51B0D0DE.30902@pr.hu> In-Reply-To: <51B0D0DE.30902@pr.hu> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1502 Lines: 39 On 06/07/2013 02:11 AM, Boszormenyi Zoltan wrote: > Hi, > > we are working on an Intel Atom-based embedded PC and I have to > make suspend-to-RAM work but I can't seem to succeed. > > The symptom is that quite often, the machine resumes immediately > after pm-suspend. Sometimes more than 20 times out of 50 attempts. Can you please file a bug about this? https://bugzilla.kernel.org > > I have tried 3.7.10, 3.9.4, 3.10-rc[234] and the linux-next branch from the > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git repository. > The attached dmesg is from today's linux-pm/linux-next plus the > latest drm-fixes patchset posted by Dave Airlie. > > I have tried disabling wakeup devices via /proc/acpi/wakeup and via sysfs files. > (/sys/devices/.../wakeup) >From the dmesg, the following three devices are still armed with wakeup capability and might be the cause: i8042 kbd 00:03: System wakeup enabled by ACPI PM: suspend of devices complete after 578.883 msecs PM: late suspend of devices complete after 0.279 msecs pcieport 0000:00:1c.1: System wakeup enabled by ACPI ehci-pci 0000:00:1d.7: System wakeup enabled by ACPI PM: noirq suspend of devices complete after 31.946 msecs Anyway, please file a bug there, thanks. -Aaron -- 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/