Messages in this thread | | | Date | Mon, 30 Sep 2013 05:32:13 +0100 | From | Matthew Garrett <> | Subject | Re: Fix apparent cut-n-paste mistake in Dell reboot workaround. |
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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@srcf.ucam.org> 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@srcf.ucam.org
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