From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nate Lawson Subject: Re: C3 on Travelmate 8000 Date: Sun, 05 Sep 2004 20:35:09 -0700 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <413BDAED.5000601@root.org> References: <413AA9B1.3040001@nwn.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <413AA9B1.3040001-OjZHUc5anBQ@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Daniel Jasper Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org > on my Travelmate 8005 (with Pentium M - Dothan) there is constant bus > master activity. I already tried to disable USB, PCMCIA, Network, > Framebuffer, Cpufreq etc., but even with a minimalistic system there ist > still the following output of /proc/acpi/processor/CPU0/power: > > active state: C2 > default state: C1 > bus master activity: ffffffff > states: > C1: promotion[C2] demotion[--] latency[000] > usage[00000010] > *C2: promotion[C3] demotion[C1] latency[001] > usage[00901857] > C3: promotion[--] demotion[C2] latency[085] > usage[00000000] > > Is there anything else I can do? Or can I somehow find out, what is > causing the bus master activity? Disabling the bm_check=1 in the > processor.c code works, but that is probably the wrong solution. You should check the processor/chipset errata ("specification update" in Intel-language). Perhaps the BM status register is broken on your particular chipset. -- Nate ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click