From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Guntsche Subject: Re: Processor C states and USB problem Date: Fri, 9 Jan 2004 16:54:21 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040109165421.6fc2483a.mike@it-loops.com> References: <571ACEFD467F7749BC50E0A98C17CDD8E84E6C@PDSMSX403.ccr.corp.intel.com> <1073640699.10144.14.camel@ltspc67.epfl.ch> <1073643322.10144.23.camel@ltspc67.epfl.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1073643322.10144.23.camel-TVkb0Wta32GnwOLKaxbZ/w@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Fri, 09 Jan 2004 11:15:22 +0100 Diego SANTA CRUZ wrote: > On Fri, 2004-01-09 at 11:05, Petr Olivka wrote: > > in 2.4 kernel I have to unload all usb modules. Then power drop to C3 > > state. If I remember, only usbcore can be loaded (on my D600). > > > > But even booting with init=/bin/sh and without ever loading any USB > module I get permanent bus mastering activity. Any ideas? I see the same on my notebook with a 2.4 kernel. Sometimes it works, but most of the time there is Bus master acitivty. With 2.6 I only see that if I have a USB device plugged in (mouse) that gets polled. Michael ------------------------------------------------------- This SF.net email is sponsored by: Perforce Software. Perforce is the Fast Software Configuration Management System offering advanced branching capabilities and atomic changes on 50+ platforms. Free Eval! http://www.perforce.com/perforce/loadprog.html