From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Kessel Subject: ACPI Poweroff fails on HP OmniBook 500 Date: Tue, 28 Oct 2003 21:06:36 -0500 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20031029020636.GF29465@bostoncoop.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org I posted this recently to lkml, but got no response, so I thought I would report it here as well.[1] In 2.4.22-rc2, ACPI poweroff worked fine on the HP OmniBook. Since 2.4.22, all the way up to 2.4.23-pre8, the system fails to shutdown--the process gets to "power off" and hangs there. It is necessary to do a hard shut down to turn the system off. There is no problem with rebooting. Apparently this effects a number of HP laptops, although I have only verified it on the OmniBook 500.[2] This problem is not present in 2.6.0-test9. I am using force=acpi as required since I have an older BIOS. Apparently the problem occurs in OmniBook laptops they have newer BIOSes as well. I expect this is related to the Sony VAIO problem discussed this month on this list as well.[3] [1] http://www.ussg.iu.edu/hypermail/linux/kernel/0310.1/1625.html [2] http://zurich.ai.mit.edu/pipermail/omnibook/2003-September/002805.html [3] http://article.gmane.org/gmane.linux.acpi.devel/4770 ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/