Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754236Ab1DOPCL (ORCPT ); Fri, 15 Apr 2011 11:02:11 -0400 Received: from eazy.amigager.de ([213.239.192.238]:58147 "EHLO eazy.amigager.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751001Ab1DOPCK (ORCPT ); Fri, 15 Apr 2011 11:02:10 -0400 X-Greylist: delayed 433 seconds by postgrey-1.27 at vger.kernel.org; Fri, 15 Apr 2011 11:02:10 EDT Date: Fri, 15 Apr 2011 16:54:57 +0200 From: Tino Keitel To: Alan Stern Cc: "Rafael J. Wysocki" , ACPI Devel Mailing List , Linux PM mailing list , linux-kernel@vger.kernel.org Subject: Re: [linux-pm] /proc/acpi/wakeup regression in 2.6.39-rc3 Message-ID: <20110415145457.GA27650@eazy.amigager.de> Mail-Followup-To: Alan Stern , "Rafael J. Wysocki" , ACPI Devel Mailing List , Linux PM mailing list , linux-kernel@vger.kernel.org References: <201104150053.37037.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1665 Lines: 43 On Fri, Apr 15, 2011 at 10:38:47 -0400, Alan Stern wrote: > On Fri, 15 Apr 2011, Rafael J. Wysocki wrote: > > > On Friday, April 15, 2011, Tino Keitel wrote: > > > Hi, > > > > > > with 2.6.38, I enabled wakeup from suspend to RAM with the USB keyboard > > > this way: > > > > > > echo USB2 > /proc/acpi/wakeup > > > > > > This does not work anymore with 2.6.39-rc3. Wakeup using the keyboard > > > won't work, and the USB2 line in /proc/acpi/wakeup doesn't change to > > > "enabled" after the echo command. > > > > > > Is this intended? If yes, what is the new way to enable keyboard > > > wakeup? > > > > No, it's supposed to work IIRC. I'll have a look at that code tomorrow. > > Tino, can you check the contents of the power/wakeup files in the > appropriate sysfs directories? That would be the directory for the > keyboard device itself and the directory for the USB host controller > for the bus the keyboard is on. > > By default, power/wakeup should be "enabled" for the keyboard device > and "disabled" for the host controller. If you write "enabled" into > the host controller's file by hand, does that fix the problem? I already tried to write "enable" into all USB related wakeup files yesterday, not change. I'll check again how these files look like in 2.6.38, what sysfs wakeup files change when writing into /proc/acpi/wakeup, and what differences to 2.6.39-rc can be seen. Regards, Tino -- 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/