Re: Lenovo x220 - hangs on shutdown

Hi Joel,

On Mon, Jul 22, 2013 at 1:36 PM, Konstantin Belousov
<kostikbel@gmail.com> wrote:
> On Mon, Jul 22, 2013 at 10:52:55AM -0700, Adrian Chadd wrote:
>> Hi kib,
>>
>> Is there a wiki page or some other kind of documentation descibing how
>> AMT works?
> It is Intel documentation for vPro. Setting up AMT on the motherboard
> is specific to the motherboard BIOS, you should look at the hardware
> vendor documentation.
>
> Random googling for you revealed e.g. http://wiki.debian.org/AMT
> which is actually good introduction (i.e. there is not much to say
> about AMT usage in fact).
>
>>
>> I'd like to set this up at home on some newer machines (read: buy
>> machines that have this) but I don't know what/where to start.
> For the controlling side of things, I use amttools, available in
> ports collection as comms/amtterm.  The manual pages are brief
> but useful.
>
> Amttools provide amttool(1) for power control, and amtterm/gamt for console.

Could you apply the following patch to amd64/amd64/pmap.c and see if it helps?
http://people.freebsd.org/~neel/patches/pmap_remove_pages.patch

best
Neel
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