Re: [GIT PULL] x86 fixes

Linus Torvalds
2013-10-12T19:41:34Z

On Sat, Oct 12, 2013 at 12:28 PM, Matthew Garrett
<matthew.garrett@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