From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754743Ab0JaXos (ORCPT ); Sun, 31 Oct 2010 19:44:48 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:32947 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753779Ab0JaXoq (ORCPT ); Sun, 31 Oct 2010 19:44:46 -0400 Date: Sun, 31 Oct 2010 19:44:43 -0400 From: Kyle McMartin To: Marc Koschewski Cc: Linux-LKLM , Massimo Dal Zotto Subject: Re: [i8k] GIT current's i8k module does not load on Inspiron 8200 laptops Message-ID: <20101031234443.GA8332@bombadil.infradead.org> References: <20101002081811.GA9024@marc.osknowledge.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101002081811.GA9024@marc.osknowledge.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 02, 2010 at 10:19:08AM +0200, Marc Koschewski wrote: > Hey folks, > > the i8k module does no longer load on my DELL Inspiron 8200 laptops. It says this on one machine: > > Oct 2 10:06:01 marc kernel: [ 16.239867] i8k: unable to get SMM Dell > signature > > Due to git log there's nothing changed for a while and I cannot figure out, what's the problem. Does anyone of you? > Apparently this is a recent GCC issue caused by optimization of the inline asm. Making the asm volatile seems to work around the problem according to reporters. See https://bugzilla.redhat.com/show_bug.cgi?id=647677 and https://bbs.archlinux.org/viewtopic.php?pid=780692#p780692. regards, Kyle