Re: ACPI issues - suspend-to-ram and processor speed

[Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.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


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