From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Atkin Subject: New battery doesn't work under linux, but does under windows Date: Wed, 15 Oct 2008 13:59:58 -0600 Message-ID: <200810151359.58976.eric@certus.bz> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from ericatkin.fttp.xmission.com ([207.135.146.139]:39818 "EHLO charon.certus.bz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752726AbYJOUFh (ORCPT ); Wed, 15 Oct 2008 16:05:37 -0400 Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org So I bought a new battery for my laptop and installed it. I booted into Linux (gentoo) and kpowersave recognized the new battery and for the next few hours showed it charging up. The guy at the battery store said I should charge it fully and then discharge fully to calibrate, so, once full, i disconnected AC power and continued to work. kpowersave recognize that power had been removed and showed the battery discharging at a normal rate. After about 1 minute, my laptop just shut off. No warnings or attempts to suspend or hibernate or anything. Power was just cut off. I tested several times and always got the same result. I assumed it was a bad battery, but then I had to boot into windows for something and decided to try it there. In windows, I waited till the charge was at 100% then disconnected AC and let it run. It ran for about two hours as expected before dying. But if I boot back into linux, it dies again after just a minute or two. I don't even know where to begin. Any ideas? $170 battery that I can't take back because it does actually work, and anyway, it seems to be a software issue. Eric