From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266529AbUGPOr2 (ORCPT ); Fri, 16 Jul 2004 10:47:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266519AbUGPOr2 (ORCPT ); Fri, 16 Jul 2004 10:47:28 -0400 Received: from khan.acc.umu.se ([130.239.18.139]:33972 "EHLO khan.acc.umu.se") by vger.kernel.org with ESMTP id S266529AbUGPOrX (ORCPT ); Fri, 16 Jul 2004 10:47:23 -0400 Date: Fri, 16 Jul 2004 16:47:19 +0200 From: David Weinehall To: John Goerzen , linux-kernel@vger.kernel.org, linux-thinkpad@linux-thinkpad.org Subject: Re: ACPI Hibernate and Suspend Strange behavior 2.6.7/-mm1 Message-ID: <20040716144719.GU22472@khan.acc.umu.se> Mail-Followup-To: John Goerzen , linux-kernel@vger.kernel.org, linux-thinkpad@linux-thinkpad.org References: <1089054013.15671.48.camel@dhcppc4> <20040714202700.GF22472@khan.acc.umu.se> <20040714204527.GA31038@excelhustler.com> <20040715060017.GG22472@khan.acc.umu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040715060017.GG22472@khan.acc.umu.se> User-Agent: Mutt/1.4.1i X-Accept-Language: Swedish, English X-GPG-Fingerprint: 7ACE 0FB0 7A74 F994 9B36 E1D1 D14E 8526 DC47 CA16 X-GPG-Key: http://www.acc.umu.se/~tao/files/pubkey_dc47ca16.gpg.asc Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 15, 2004 at 08:00:17AM +0200, David Weinehall wrote: > On Wed, Jul 14, 2004 at 03:45:27PM -0500, John Goerzen wrote: > > On Wed, Jul 14, 2004 at 10:27:00PM +0200, David Weinehall wrote: > > > On Wed, Jul 14, 2004 at 08:16:55PM +0000, John Goerzen wrote: > > > > I'm glad I'm not the only one that is suspecting that. I just tried > > > > switching my T40p from APM to ACPI. I got suspending to RAM working in > > > > ACPI, but noticed that when I got it back out of my laptop bag later, it > > > > was physically warm to the touch. It also had consumed more battery > > > > power than it would have when suspended with APM. And, if I would shine > > > > a bright light on the screen, I could make out text on it. In other > > > > words, the backlight was off but it was still displaying stuff. > > > > > > Does poweroff work for you? At least my T40 has problems shutting off > > > properly when using 2.6 + ACPI. A bit annoying; I have to keep the > > > powerkey pressed for a few seconds for it to turn off. > > > > The only way I ever turn the machine off is by running the halt command, > > and that is working fine for me. I haven't tried the power key. > > I meant using the halt command (or rather shutdown -h now, since I've > learned not to expect halt to perform a proper shutdown sequence on > other Unixen). I must have something strange going on with my > installation then, since it doesn't work for me... Debugging time! Disabling APIC did fix the problem. ehci_hcd still blocks suspend, but adding rmmod ehci_hcd .... modprobe ehci_hcd to the sleep and lid events at least works around the issue. Regards: David Weinehall -- /) David Weinehall /) Northern lights wander (\ // Maintainer of the v2.0 kernel // Dance across the winter sky // \) http://www.acc.umu.se/~tao/ (/ Full colour fire (/