On Sat, Oct 12, 2013 at 12:28 PM, Matthew Garrett
<matthew.garr...@nebula.com> wrote:
>
> The most likely cause of the problem that we're seeing here is that we're
> leaving the hardware in a state that isn't compatible with assumptions made
> by Dell's SMM code. We've certainly seen that some previous Dell machines
> have made incorrect assumptions about VT-d, which probably means that we
> should be destroying that state before reboot. David Woodhouse had been
> looking into that - I don't know whether we ever actually merged anything to
> do so.
I have access to one of the affected Dell systems, so I'm willing to
try patches..
Linus
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