From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: ACPI issues - suspend-to-ram and processor speed Date: Mon, 31 May 2004 10:47:01 +0200 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040531084701.GC24008@elf.ucw.cz> References: <200405180213.34603.andre@eisenbach.com> <200405280536.50261.andre@eisenbach.com> <20040529114512.GD25121@elf.ucw.cz> <200405302100.36915.andre@eisenbach.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <200405302100.36915.andre-+hZUvIEKc2q1Z/+hSey0Gg@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Andre Eisenbach Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi! > Am Samstag Mai 29 2004 04:45 schrieb Pavel Machek: > > Can you get any data out of notebook? Like 8 leds on paralel port, pci > > card decoding port 0x80 etc? [That's where soldering iron might be > > usefull]. > > Yes, I can hook up the parallel port. Just let me know where we're gonna use > it. Not yet, but something like that is neccessary for debugging wakeup phase. > > > 7. --> Not even 1/2 second later, all off. Notebook is off. On/Off > > > LED off > > > > Easy. Insert infinite loop at begining of wakeup_start. If it hangs, > > you know it reached wakeup_start, and fix wakeup code. If it does not, > > we left hardware at "bad" (i.e. bios did not like it) state before > > suspend, fix suspend code. (Turn off APIC etc). [This is where your > > assembly skills come handy.] > > I put an endless loop into wakeup_start. Nothing changed. Same behaviour. I > also recompiled the kernel without APIC, but I'm not sure thats what you > meant. Okay, so problem is with suspend. Recompiling without APIC was good idea, see also tricks.txt what more you can do. > Where do I find the suspend code? Its all around acpi, last thing it does is in drivers/acpi/hardware/hwsleep.c. Pavel -- 934a471f20d6580d5aad759bf0d97ddc ------------------------------------------------------- This SF.Net email is sponsored by: Oracle 10g Get certified on the hottest thing ever to hit the market... Oracle 10g. Take an Oracle 10g class now, and we'll give you the exam FREE. http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click