From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: S3 test tool (was : Re: Bizarre oops after suspend to RAM (was: Re: Resume from Suspend to RAM)) Date: Wed, 15 Jun 2005 20:41:38 +0200 Message-ID: <20050615184138.GA2308@elf.ucw.cz> References: <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> <20050614220911.GD2172@elf.ucw.cz> <87oea860rl.fsf@www.codersbase.com> <20050614231115.GE2172@elf.ucw.cz> <87ekb45u5a.fsf@www.codersbase.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <87ekb45u5a.fsf-mMfbam+mt929kzlf/Hu3QdBPR1lH4CV8@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: dagit-LP0vGzdgvNwj5TC/SZClsA@public.gmane.org Cc: Shaohua Li , stefandoesinger-RbZlAiThDcE@public.gmane.org, acpi-dev , Matthew Garrett , lkml List-Id: linux-acpi@vger.kernel.org Hi! > >> >> What should we try next? > >> > > >> > ??? You wanted it to reboot? If not, something is wrong with > >> > stack. Not sure whats next. > >> > >> I don't want it to reboot, I guess I got confused. As you say, maybe > >> something is wrong with the stack. It's weird that something would be > >> wrong with the stack, because the other test to check the > >> suspend/resume code path works like a charm, the machine will do the > >> fake suspend/resume just fine. > > > > Well, we set up stack few instructions before that. But we do it in > > quite a complicated way; could you just put stack at 0x00:0x200 or > > something like that? Also test if push alone is enough to kill it. > > Could you send me the code you want me to test, I'd don't know enough > asm to move the stack. I tried replacing the line with the comment > about the ASUS board private stack with a line like, "mov $0x200, > %sp", but I don't understand it. mov 0x200, %sp was good idea, but try to zero %ss, too. (xor %eax, %eax; mov %eax, %ss). Pavel -- teflon -- maybe it is a trademark, but it should not be. ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click