Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933605AbXHAO4W (ORCPT ); Wed, 1 Aug 2007 10:56:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757905AbXHAO4K (ORCPT ); Wed, 1 Aug 2007 10:56:10 -0400 Received: from ug-out-1314.google.com ([66.249.92.170]:37219 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754301AbXHAO4H (ORCPT ); Wed, 1 Aug 2007 10:56:07 -0400 Date: Wed, 1 Aug 2007 17:56:07 +0300 From: "Michael S. Tsirkin" To: Hugh Dickins Cc: "Michael S. Tsirkin" , Linux Kernel Mailing List , len.brown@intel.com, linux-acpi@vger.kernel.org, Ingo Molnar , mingo@redhat.com, linux-pm@linux-foundation.org, Borislav Deianov , Henrique de Moraes Holschuh Subject: Re: 2.6.21-rc1: T60 ACPI issues Message-ID: <20070801145607.GB8480@mellanox.co.il> Reply-To: "Michael S. Tsirkin" References: <20070801135820.GA8266@mellanox.co.il> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1604 Lines: 51 > Quoting Hugh Dickins : > Subject: Re: 2.6.21-rc1: T60 ACPI issues > > On Wed, 1 Aug 2007, Michael S. Tsirkin wrote: > > > Hi! > > ACPI appears to have been broken with 2.6.23-rc1 on my T60 > > Userspace from ubuntu dapper. > > (Whereas I'm using a T43p with openSUSE 10.2.) > > > > > 1. During boot, I see a lot of messages like this: > > [ 41.034204] acpi LNXSYSTM:00: uevent: unsupported action-string; this will be ignored in a future kernel version > > (I've not seen those.) > > > > > 2. Pressing Fn/F4 does not trigger suspend to ram > > This normally triigers ACPI event which triggers suspend to RAM on Ubuntu > > (echo mem > /sys/power/state works) > > I'll bet this is your CONFIG_THINKPAD_ACPI_INPUT_ENABLED=y. > I got the same, see my "THINKPAD_ACPI_INPUT_ENABLED seems regressive" > mail to Henrique and lkml an hour ago. This? http://lkml.org/lkml/2007/8/1/176 > > > > 3. After suspend to RAM, system wakes up but laptop's screen is blank, > > switching VTs etc does not help. > > External screen wakes up OK though. > > dmesg output from boot attached. > > (I've not had that.) Bingo. sudo rmmod thinkpad_acpi cures both 2 and 3. Thanks for pointing this out. Henrique, if there's a patch to test, pls let me know. Or maybe CONFIG_THINKPAD_ACPI_INPUT_ENABLED should be N by default. -- MST - 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/