[ACPI] Re: S3 resume on Fujitsu-Siemens Amilo A7620 (CONTINUES)

[Pavel M. <pa...@uc...>]

Hi!

> Please refer to threads "ACPI S3 resume only reboots" and "[PATCH] GDT table patch for resume only reboots problem" for history on this thread. I moved to a new one because was becoming hard to follow.
> 
> Properly using beeping code by Pavel I was able to follow the code after
> 	wakeup_pmode_return:
> 		movw	$__KERNEL_DS, %ax
> 		movw	%ax, %ss
> and verified that it doesn't hang at that point.
> 
> Wakeup works until:
> [...]
> # and restore the stack ... but you need gdt for this to work
> 	movl	saved_context_esp, %esp
> 
> 	movl	%cs:saved_magic, %eax
> 	cmpl	$0x12345678, %eax
> 	jne	bogus_magic
> 
> 	# jump to place where we left off
> 	movl	saved_eip,%eax
> 	jmp	*%eax		###BEFORE THE JMP IT'S STILL ALIVE!
> [...]
> 
> If i let it enter the jmp, it hangs. How can i follow that jump? Does that mean that we're going out of wakeup.S, finally? That would be a progress.
> 

Yes, you are going out of wakeup.S... Actually no. You are going to
ret_point down in do_suspend_lowlevel.

								Pavel
-- 
People were complaining that M$ turns users into beta-testers...
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