From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karol Kozimor Subject: Re: Centrino question Date: Fri, 21 May 2004 13:52:07 +0200 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040521115207.GA12775@hell.org.pl> References: <3ACA40606221794F80A5670F0AF15F8404622C57@PDSMSX403.ccr.corp.intel.com> <20040520015748.776d5b84.neurowork@free.fr> <1085111429.12352.563.camel@dhcppc4> <20040521125637.33f69fc6.neurowork@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Return-path: Content-Disposition: inline In-Reply-To: <20040521125637.33f69fc6.neurowork-GANU6spQydw@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Cyril Wattebled Cc: Len Brown , Luming Yu , cpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, linux-acpi , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Thus wrote Cyril Wattebled: > However, I don't understand, I was told that the centrino processor and chipset > supports C3 and even C4. > Why would they intend C3 to be disabled ? > By the way, I tried to change the value of ACPI_PROCESSOR_MAX_C3_LATENCY to > 1002 so that C3 is enabled. However, it doesn't change anything, C3 state > is never called. You'd go for below 1000, that is 999 and less. But anyway, as Len already wrote, your OEM has probably explicitly disabled C3 (on a Pentium-M laptop? come on?), so be prepared to face problems such as data corruption. Best regards, -- Karol 'sziwan' Kozimor sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org ------------------------------------------------------- This SF.Net email is sponsored by: Oracle 10g Get certified on the hottest thing ever to hit the market... Oracle 10g. Take an Oracle 10g class now, and we'll give you the exam FREE. http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click