From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754825AbYJLTjy (ORCPT ); Sun, 12 Oct 2008 15:39:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751387AbYJLTjp (ORCPT ); Sun, 12 Oct 2008 15:39:45 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:34228 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056AbYJLTjp (ORCPT ); Sun, 12 Oct 2008 15:39:45 -0400 From: "Rafael J. Wysocki" To: Andy Wettstein , Ingo Molnar , Pavel Machek , "H. Peter Anvin" Subject: [REGRESSION] Re: [Bug 11568] spontaneous reboot on resume with 2.6.27 Date: Sun, 12 Oct 2008 21:44:02 +0200 User-Agent: KMail/1.9.9 Cc: bugme-daemon@bugzilla.kernel.org, LKML References: <20081012192513.3D3F111D107@picon.linux-foundation.org> In-Reply-To: <20081012192513.3D3F111D107@picon.linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810122144.02897.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday, 12 of October 2008, bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=11568 > > > > > > ------- Comment #27 from ajw1980@gmail.com 2008-10-12 12:25 ------- > SMP enabled with patch from #24 does not abort the suspend, and of course > reboots on resume. Andy, thanks for testing. Ingo, Peter, Pavel, The regression here is that x86_64 non-SMP systems using SMP kernel fail to resume from suspend to RAM, most probably due to the trampoline code being busted. I haven't found anything obviously wrong in the code yet, but I suspect that something simply writes over the (original) trampoline code. This is in 2.6.27 as well as in the current mainline and it's quite urgent, because we'll get hit by it in distro kernels based on 2.6.27 if we don't fix it timely. Please have a look at bug #11568. Thanks, Rafael