Hi!
> From: Shaohua Li <shaohua.li@xxxxxxxxx>
>
> ACPI defines a hardware signature. BIOS calculates the signature
> according to hardware configure, if hardware changes, the signature
> will change, in this case, S4 resume should fail.
>
> Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>
> Acked-by: Pavel Machek <pavel@xxxxxxx>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
I guess I'm quite late to the party, but... could we make this use
acpi_sleep= command line option, and related variable?
That brings advantage of existing /proc/sys interface, so that s2disk
could do blacklist in userspace, and easily...
Pavel
> @@ -152,6 +152,11 @@ and is between 256 and 4096 characters.
> s3_beep is for debugging; it makes the PC's speaker beep
> as soon as the kernel's real-mode entry point is called.
>
> + acpi_s4_nosigcheck [HW,ACPI] S4 hardware signature
> + ACPI will ignore the S4 hardware signature
> + default: The hardware signature is checked during
> + resume from S4.
> +
> acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode
> Format: { level | edge | high | low }
>
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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