Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754132AbZA0K1i (ORCPT ); Tue, 27 Jan 2009 05:27:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752703AbZA0K1a (ORCPT ); Tue, 27 Jan 2009 05:27:30 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:33537 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752648AbZA0K13 (ORCPT ); Tue, 27 Jan 2009 05:27:29 -0500 Date: Tue, 27 Jan 2009 11:27:15 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Kernel Testers List , Gergely Imreh Subject: Re: [Bug #12391] Processor does not go below C2 state until usb.autosuspend is enabled Message-ID: <20090127102715.GB20854@elf.ucw.cz> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1222 Lines: 27 On Mon 2009-01-19 22:45:39, Rafael J. Wysocki wrote: > This message has been generated automatically as a part of a report > of regressions introduced between 2.6.27 and 2.6.28. > > The following bug entry is on the current list of known regressions > introduced between 2.6.27 and 2.6.28. Please verify if it still should > be listed and let me know (either way). > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12391 > Subject : Processor does not go below C2 state until usb.autosuspend is enabled > Submitter : Gergely Imreh > Date : 2009-01-09 02:35 (11 days old) Hmm? That would be quite expected behaviour. USB autosuspend is needed for C3... (as soon as any USB device is plugged in, at least). Can you doublecheck that 2.6.27 could run with C3 with active USB? That would be small miracle... -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/