Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750738AbWHINDU (ORCPT ); Wed, 9 Aug 2006 09:03:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750747AbWHINDU (ORCPT ); Wed, 9 Aug 2006 09:03:20 -0400 Received: from rhlx01.fht-esslingen.de ([129.143.116.10]:18392 "EHLO rhlx01.fht-esslingen.de") by vger.kernel.org with ESMTP id S1750738AbWHINDU (ORCPT ); Wed, 9 Aug 2006 09:03:20 -0400 Date: Wed, 9 Aug 2006 15:03:18 +0200 From: Andreas Mohr To: Steven Rostedt Cc: Pavel Machek , LKML , Suspend2-devel@lists.suspend2.net, linux-pm@osdl.org, ncunningham@linuxmail.org Subject: Re: swsusp and suspend2 like to overheat my laptop Message-ID: <20060809130318.GA22729@rhlx01.fht-esslingen.de> References: <20060808235352.GA4751@elf.ucw.cz> <20060809073958.GK4886@elf.ucw.cz> <20060809120734.GA30544@rhlx01.fht-esslingen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i X-Priority: none Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2588 Lines: 82 Hi, On Wed, Aug 09, 2006 at 08:38:27AM -0400, Steven Rostedt wrote: > This is after a suspend: > > $ cat /proc/acpi/processor/CPU*/* > processor id: 0 > acpi id: 0 > bus mastering control: yes > power management: no > throttling control: yes > limit interface: yes > active limit: P0:T0 > user limit: P0:T0 > thermal limit: P0:T0 > active state: C1 > max_cstate: C8 > bus master activity: 00000000 > states: > *C1: type[C1] promotion[--] demotion[--] latency[000] > usage[00000000] duration[00000000000000000000] > state count: 4 > active state: T0 > states: > *T0: 00% > T1: 25% > T2: 50% > T3: 75% This is almost *exactly* the same as on my very cheap'n stupid HP/Compaq desktop P4 HT which doesn't support ACPI C2/C3 at all despite proper support by other P4 HT desktop machines (missing _CST ACPI object in the DSDT, as confirmed after messing with Intel's DSDT decompiler): # cat /proc/acpi/processor/CPU?/* processor id: 0 acpi id: 1 bus mastering control: no power management: no throttling control: yes limit interface: yes active limit: P0:T0 user limit: P0:T0 thermal limit: P0:T0 active state: C1 max_cstate: C8 bus master activity: 00000000 states: *C1: type[C1] promotion[--] demotion[--] latency[000] usage[00000000] duration[00000000000000000000] state count: 8 active state: T0 states: *T0: 00% T1: 12% T2: 25% T3: 37% T4: 50% T5: 62% T6: 75% T7: 87% Note that max_cstate: C8 can be considered a bug (this is a C state init value from an ACPI define mistakenly left unchanged in case of missing _CST) since I thus only have C1 and it should thus be set to C1. What would be interesting is this output *before* any suspend, not after ;) Oh, and your temperature after boot goes backwards since booting is a very active period, obviously. Andreas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/