Re: S3 freezes on wake on NC6000 laptop

[Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>]

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)


-- 
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