Re: [PATCH]X86:reboot.c Add some dmi entries to pci_reboot_dmi_table.

[Justin P. Mattock]

On 06/02/2010 06:37 PM, Matthew Garrett wrote:
> On Wed, Jun 02, 2010 at 05:27:22PM -0700, Justin P. Mattock wrote:
> > On 06/02/2010 05:20 PM, Robert Hancock wrote:
> > > #include<unistd.h>
> > >
> > > int main() {
> > >           iopl(3);
> > >           outb(2, 0xcf9);
> > >           sleep(1);
> > >           outb(6, 0xcf9);
> > >           return 0;
> > > }
> > >
> > > That's basically what PCI reboot does.
> >
> > the above code reboot's the machine as it should..
> > I can look at that(need to take a break first though)
> > and see..
>
> That's pretty infuriating. The ACPI-provided definition doesn't work,
> and there's no ACPI mechanism for expressing the more complex cf9
> behaviour. Windows doesn't appear to special case this, so we're
> probably left trying to figure out why the keyboard controller method
> doesn't work. Sigh.

any ideas on how to find that value?
(using showkey does give values
but I don't think it gives the low level
value as this(but could be wrong)).

Justin P. Mattock
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