From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263663AbTDGVAO (for ); Mon, 7 Apr 2003 17:00:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263664AbTDGVAO (for ); Mon, 7 Apr 2003 17:00:14 -0400 Received: from mars.mj.nl ([81.91.1.49]:8911 "HELO mars.mj.nl") by vger.kernel.org with SMTP id S263663AbTDGVAO (for ); Mon, 7 Apr 2003 17:00:14 -0400 Subject: Re: [2.5.66] APM loses track of batteries From: Thomas Hood To: linux-kernel@vger.kernel.org Cc: DevilKin Content-Type: text/plain Organization: Message-Id: <1049749907.1801.16.camel@thanatos> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.3 Date: 07 Apr 2003 23:11:47 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org With two batteries inserted you see: > devilkin@laptop:~$ cat /proc/apm > 1.16ac 1.2 0x03 0x01 0xff 0x10 -1% -1 ? I think the problem is that your firmware doesn't know how to report battery status when two batteries are installed. When you momentarily remove one of the two batteries, the firmware is momentarily able to report the state of the remaining battery. My guess is that the only solution is to use ACPI. -- Thomas Hood