Re: S3 freezes on wake on NC6000 laptop

[Nigel Cunningham <ncunningham-jjFNsPSvq+iXDw4h08c5KA@public.gmane.org>]

Hi.

Suspend2 doesn't touch wakeup.S; he should be able to test without
reversing it if he wants to.

Regards,

Nigel

On Tue, 2005-02-08 at 09:36, Pavel Machek wrote:
> Hi!
> 
> > I am trying to get S3 (suspend to RAM) to work on an HP NC6000 laptop with 
> > no success. The system seems to enter the S3 state correctly, but when I 
> > turn back on it freezes completely.
> > 
> > I tried booting with no modules and no processes loaded (init=/bin/sh) and 
> > with a serial console, but I can't see anything helpful. What I see
> > is this:
> 
> Drop radeonfb, and drop swsusp2 patch. Apply this, and lets see if you
> can hear beep during wakeup.
> 									Pavel 
> 
> --- clean/arch/i386/kernel/acpi/wakeup.S	2005-01-22 21:24:51.000000000 +0100
> +++ linux/arch/i386/kernel/acpi/wakeup.S	2004-12-25 15:51:04.000000000 +0100
> @@ -11,7 +11,22 @@
>  #
>  # If physical address of wakeup_code is 0x12345, BIOS should call us with
>  # cs = 0x1234, eip = 0x05
> -# 
> +#
> +
> +#define BEEP \
> +	inb	$97, %al; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$3, %al; 	\
> +	outb	%al, $97; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$-74, %al; 	\
> +	outb	%al, $67; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$-119, %al; 	\
> +	outb	%al, $66; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$15, %al; 	\
> +	outb	%al, $66;
>  
>  ALIGN
>  	.align	4096
> @@ -20,6 +35,7 @@
>  	wakeup_code_start = .
>  	.code16
>  
> +	BEEP
>   	movw	$0xb800, %ax
>  	movw	%ax,%fs
>  	movw	$0x0e00 + 'L', %fs:(0x10)
-- 
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com

Ph: +61 (2) 6292 8028      Mob: +61 (417) 100 574



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