Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932320AbWJJKld (ORCPT ); Tue, 10 Oct 2006 06:41:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932429AbWJJKld (ORCPT ); Tue, 10 Oct 2006 06:41:33 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:727 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S932320AbWJJKlc (ORCPT ); Tue, 10 Oct 2006 06:41:32 -0400 Subject: Re: 2.6.18 suspend regression on Intel Macs From: Arjan van de Ven To: Pavel Machek Cc: =?ISO-8859-1?Q?Fr=E9d=E9ric?= Riss , Linux Kernel list , Linus Torvalds , len.brown@intel.com In-Reply-To: <20061010103910.GD31598@elf.ucw.cz> References: <1160417982.5142.45.camel@funkylaptop> <20061010103910.GD31598@elf.ucw.cz> Content-Type: text/plain Organization: Intel International BV Date: Tue, 10 Oct 2006 12:41:28 +0200 Message-Id: <1160476889.3000.282.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1449 Lines: 36 On Tue, 2006-10-10 at 12:39 +0200, Pavel Machek wrote: > Hi! > > > Well, I'm not sure it qualifies as a regression, because AFAIK no > > official kernels can s2ram/resume Intel Macs correctly out of the box. > ... > > > There has already been some discussion about the SCI_EN ACPI control bit > > not being set when the Mactel boxes come out of suspend to ram. > > http://marc.theaimsgroup.com/?l=linux-acpi&m=114957637501557&w=2 > > http://marc.theaimsgroup.com/?l=linux-kernel&m=115005083610700&w=2 > > http://bugme.osdl.org/show_bug.cgi?id=6670 > > > > The symptom is: > > irq 9: nobody cared (try booting with the "irqpoll" option) > > Disabling IRQ #9 > > when the system comes out of sleep, making ACPI non-functional. > > > > Two days after having released 2.6.17, Linus commited a fix for this > > issue in his tree (commit 5603509137940f4cbc577281cee62110d4097b1b): > > If fix was in 2.6.18-gitX, yes, that probably counts as a regression "fix" for some value of the word. The problem is that this is very much against the spec, and also quite likely breaks a bunch of machines... If we do this we probably should at least key this of some DMI identification for the mac mini.. - 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/