Date: Tue, 23 Jul 2013 07:54:19 +0200 From: Joel Dahl <joel@freebsd.org> To: Neel Natu <neelnatu@gmail.com> Cc: Konstantin Belousov <kostikbel@gmail.com>, Adrian Chadd <adrian@freebsd.org>, neel@freebsd.org, current@freebsd.org Subject: Re: Lenovo x220 - hangs on shutdown Message-ID: <20130723055419.GD56585@devbox.vnode.local> In-Reply-To: <CAFgRE9FoZZkmLRQdU3FK7PZXaNN3%2B1EwEcJC8zxKup-%2B7KGF9g@mail.gmail.com> References: <E6983629-AD08-42F4-91B3-D07FA1999B21@vnode.se> <20130721072045.GB56585@devbox.vnode.local> <20130721161233.GB5991@kib.kiev.ua> <20130721205218.GC56585@devbox.vnode.local> <20130722095124.GH5991@kib.kiev.ua> <CAJ-Vmo=u4tN4Mq5EAnfLeUoKMoY9rWtzHrh1k%2BWg%2BWEu25Z2MA@mail.gmail.com> <20130722203603.GO5991@kib.kiev.ua> <CAFgRE9FoZZkmLRQdU3FK7PZXaNN3%2B1EwEcJC8zxKup-%2B7KGF9g@mail.gmail.com>
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On Mon, Jul 22, 2013 at 02:32:06PM -0700, Neel Natu wrote: > 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 Yes, it helps. I can shutdown the machine from X again. -- Joel
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