From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261371AbVFNWJr (ORCPT ); Tue, 14 Jun 2005 18:09:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261373AbVFNWJr (ORCPT ); Tue, 14 Jun 2005 18:09:47 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:23521 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261371AbVFNWJp (ORCPT ); Tue, 14 Jun 2005 18:09:45 -0400 Date: Wed, 15 Jun 2005 00:09:11 +0200 From: Pavel Machek To: dagit@codersbase.com Cc: Shaohua Li , stefandoesinger@gmx.at, acpi-dev , Matthew Garrett , lkml Subject: Re: S3 test tool (was : Re: Bizarre oops after suspend to RAM (was: Re: [ACPI] Resume from Suspend to RAM)) Message-ID: <20050614220911.GD2172@elf.ucw.cz> References: <200506061531.41132.stefandoesinger@gmx.at> <1118125410.3828.12.camel@linux-hp.sh.intel.com> <87ll5diemh.fsf@www.codersbase.com> <20050614090652.GA1863@elf.ucw.cz> <87aclthr7l.fsf@www.codersbase.com> <20050614213728.GB2172@elf.ucw.cz> <87u0k061jx.fsf@www.codersbase.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87u0k061jx.fsf@www.codersbase.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > >> > You got this wrong. It is three illegal instructions but > >> > *nested*. Like error, error in fault handler, error in doublefault > >> > handler. > >> > >> Ah. Yeah, this isn't an area I know much about :) Thanks for the > >> correction. > >> > >> > Try replacing flags manipulation with any stack manipulation to see > >> > what is wrong. > >> > >> Do you mean try something like this? Replace the push 0 with push > >> 0x1234 ; push 0x1234 ; pop ; pop and try to figure out which line > >> causes the reboot? > > > > Yep, try pushl $0, popl %eax; if that causes problems, something is > > seriously wrong with stack, otherwise changing flags hurts. > > pushl $0, popl %eax gets the reboot. So it's changing the flags that > is bad? > > What should we try next? ??? You wanted it to reboot? If not, something is wrong with stack. Not sure whats next. Pavel -- teflon -- maybe it is a trademark, but it should not be.