From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Lu Subject: Re: Possible workaround for buggy S5 Date: Thu, 13 Feb 2014 10:17:07 +0800 Message-ID: <52FC2B23.1030300@intel.com> References: <52FB85B8.2000307@ubuntu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mga11.intel.com ([192.55.52.93]:14294 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751320AbaBMCQy (ORCPT ); Wed, 12 Feb 2014 21:16:54 -0500 In-Reply-To: <52FB85B8.2000307@ubuntu.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Phillip Susi Cc: "linux-acpi@vger.kernel.org" , =?UTF-8?B?RnJhbsOnb2lzIEJvaXNzb24=?= On 02/12/2014 10:31 PM, Phillip Susi wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > A user has reported in debian bug #694926 that their laptop battery > discharges rapidly when they shutdown, unless they disable hwclock > - --systohc in the shutdown scripts. I am not sure why that triggers > it, but I can only assume that their acpi firmware is buggy and > remaining in standby to allow for wakeups. >=20 > Is there a way to bypass the acpi firmware S5 transition and force th= e > system to truly power off as a workaround? No idea about this. Long time ago, Fran=C3=A7ois Boisson reported a sim= ilar issue on kernel bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=3D47811 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html