From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751680Ab1AWSUm (ORCPT ); Sun, 23 Jan 2011 13:20:42 -0500 Received: from out1.smtp.messagingengine.com ([66.111.4.25]:53319 "EHLO out1.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107Ab1AWSUk (ORCPT ); Sun, 23 Jan 2011 13:20:40 -0500 X-Sasl-enc: UiKiMYN28fn/eDM2ywFxEEMstLreknyUZ7Q5gga9eLwX 1295806839 Date: Sun, 23 Jan 2011 16:20:37 -0200 From: Henrique de Moraes Holschuh To: "Rafael J. Wysocki" Cc: Jeff Chua , Len Brown , LKML , ACPI Devel Maling List , Linux-pm mailing list , Matthew Garrett , Henrique de Moraes Holschuh , platform-driver-x86@vger.kernel.org Subject: Re: [PATCH 0/11] ACPI: Fixes and cleanups related to iomaps management Message-ID: <20110123182037.GH24071@khazad-dum.debian.net> References: <201101201226.41021.rjw@sisk.pl> <201101212206.37469.rjw@sisk.pl> <201101221013.10239.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201101221013.10239.rjw@sisk.pl> X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 22 Jan 2011, Rafael J. Wysocki wrote: > > I discovered CONFIG_THINKPAD_ACPI caused suspend-to-disk to hang. I > > need the Thinkpad ACPI to control the fan and bluetooth. It looks like > > the thinkpad acpi is trying acquire locks while suspending. Disabling > > cmos, light, led and hotkeys makes suspend-to-disk works again. > > Well, we should tell the thinkpad_acpi maintainer about that, then (CCed). What are the requirements re. mutexes for sleep-to-disk versus sleep-to-ram? Did something change in that area that caused the driver to hang? A pointer to the ML threads, documentation, or patchset/git commit with those changes would be enough answer, and I will pursue it from there. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh