Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933024AbXJQNMY (ORCPT ); Wed, 17 Oct 2007 09:12:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760711AbXJQNL4 (ORCPT ); Wed, 17 Oct 2007 09:11:56 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:3773 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755946AbXJQNLz (ORCPT ); Wed, 17 Oct 2007 09:11:55 -0400 Date: Thu, 11 Oct 2007 21:19:49 +0000 From: Pavel Machek To: Thomas Gleixner Cc: Paul Mackerras , Linus Torvalds , "Rafael J. Wysocki" , Andrew Morton , Linux Kernel Mailing List , Jaroslav Kysela , Takashi Iwai , linux-usb-devel@lists.sourceforge.net, Venkatesh Pallipadi , Ingo Molnar , miklos@szeredi.hu, Len Brown , David Shaohua Li Subject: Re: 2.6.23-rc6-mm1: failure to boot on HP nx6325, no sound when booted, USB-related WARNING Message-ID: <20071011211949.GA4151@ucw.cz> References: <20070918011841.2381bd93.akpm@linux-foundation.org> <1190299841.3481.37.camel@chaos> <1190303393.3639.0.camel@chaos> <200709202239.11070.rjw@sisk.pl> <1190322532.3085.42.camel@chaos> <18163.19912.127570.192406@cargo.ozlabs.ibm.com> <1190361975.3085.106.camel@chaos> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1190361975.3085.106.camel@chaos> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1045 Lines: 25 On Fri 2007-09-21 10:06:15, Thomas Gleixner wrote: > On Fri, 2007-09-21 at 14:51 +1000, Paul Mackerras wrote: > > Linus Torvalds writes: > > > > > It would indeed be nice if we could just take CPU's down early (while > > > everything is working), and run the whole suspend code with just one CPU, > > > rather than having to worry about the ordering between CPU and device > > > takedown. > > > > That is certainly what we want to do on powerpc. > > I would have expected that we do it exactly this way and it took me by > surprise, that we do not. Well, we used to do that, but acpi spec forbids that, and it means userspace sees plugs/unplugs. Pavel -- (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/