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Date:      Mon, 25 Jun 2007 15:42:31 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-acpi@freebsd.org
Subject:   Re: Help required for HP NC6000 Suspend on Ram  Troubleshooting
Message-ID:  <200706251542.31733.jhb@freebsd.org>
In-Reply-To: <1182415678.1108.9.camel@localhost>
References:  <1182251419.985.22.camel@localhost> <1182328473.1054.14.camel@localhost> <1182415678.1108.9.camel@localhost>

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On Thursday 21 June 2007 04:47:58 am Olivier Fauchon wrote:
> 
> ....
> > ath0: link state changed to DOWN
> > wakeup from sleeping state (slept 00:00:03)
> > ....
> > 
> > So I guess my system pass the test.
> > 
> 
> Yep.
> 
> > 
> > 
> > 2/ When doing a 'regular' acpiconf -s3 , system goes black, 
> > I can hear 3 'beeps', and then the laptop is stuck (Requires 
> > hard reboot).
> > 
> > In fact the led should be red blinking in suspend mode, 
> > but it's still permanant green. 
> > 
> > My guess is that the system can't call properly S3 ACPI Suspend
> code???
> > 
> > 
> > Any more help required :-) 
> > 
> 
> 
> Weird.. the key is to figure out what's happening during the final entry
> to S3.  You could try throwing in some printfs and see what was the last
> to trigger.

My nc6220 loses all its ATA devices on resume.  Mine also has a serial console 
so I've been able to debug some.  Try 
http://www.FreeBSD.org/~jhb/patches/ata_reinit.patch (fixes a panic on 
resume) and http://www.FreeBSD.org/~jhb/patches/ata_resume.patch (doesn't 
lose ATA devices on resume).  This gets it closer, but somehow resume is 
hanging elsewhere as i still don't get to where I can hit enter on the 
(serial) console after this.  I have verified that you can use acpi_video to 
turn the LCD on and off, so that will be useful once it gets far enough to 
run commands during resume.  On my laptop at least, though, acpi_video always 
thinks all the output devices are off even when they are on.

-- 
John Baldwin



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