Re: Fix apparent cut-n-paste mistake in Dell reboot workaround.

[Matthew Garrett]

On Mon, Sep 30, 2013 at 01:15:02PM +1000, Dave Airlie wrote:
> On Mon, Sep 30, 2013 at 1:06 PM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote:
> > Likely indicates that our ACPI reboot handling still isn't bug
> > compatible with Windows. We'd do better fixing that than adding more DMI
> > entries.
> 
> are these only with VTd enabled? I have some Dells that won't reboot
> with VTd turned on, I remember you though it was an acpi bug we
> couldn't do much with.

Oh, that's true - the ACPI reboot vector on the Dell tables I have to 
hand appears to be via the keyboard controller, so there's probably some 
SMM involved. I don't know if the VTd thing is still a problem (David 
Woodhouse was looking into that at one point), but that would be a 
reasonable point to start from.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/