Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758760Ab0D3Sgi (ORCPT ); Fri, 30 Apr 2010 14:36:38 -0400 Received: from usul.saidi.cx ([204.11.33.34]:47248 "EHLO usul.overt.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753890Ab0D3SgR (ORCPT ); Fri, 30 Apr 2010 14:36:17 -0400 To: Matthew Garrett Subject: Re: =?UTF-8?Q?acpi=5Fidle=3A=20Very=20idle=20Core=20i=37=20machine=20neve?= =?UTF-8?Q?r=20enters=20C=33?= MIME-Version: 1.0 Date: Fri, 30 Apr 2010 14:35:02 -0400 From: Philip Langdale Cc: Len Brown , Jeff Garrett , Andi Kleen , , In-Reply-To: <20100430174447.GA14889@srcf.ucam.org> References: <20100126084740.GA5265@jgarrett.org> <87y6jkee1b.fsf@basil.nowhere.org> <20100205160900.GA2736@jgarrett.org> <20100426194002.586fbaa5@fido5> <20100427124703.GA16706@jgarrett.org> <20100430174447.GA14889@srcf.ucam.org> Message-ID: User-Agent: RoundCube Webmail/0.3.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 902 Lines: 24 On Fri, 30 Apr 2010 18:44:47 +0100, Matthew Garrett wrote: > On Fri, Apr 30, 2010 at 12:25:44PM -0400, Len Brown wrote: > >> I am hopeful that the "right thin to do" is to not look at bm-status >> and that perhaps there is a bug where we are looking at it >> "by mistake". > > https://patchwork.kernel.org/patch/58962/ - it seems to be a win. Indeed. This patch does solve the C6 problem. I'm not in a position to speak about whether there's any undesirable I/O latency, but it passes the basic sanity check. I have filed https://bugzilla.kernel.org/show_bug.cgi?id=15886 with my acpi dump - assuming that's still useful. --phil -- 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/