Date: Mon, 22 Jul 2013 10:52:55 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: neel@freebsd.org, current@freebsd.org, Joel Dahl <joel@freebsd.org> Subject: Re: Lenovo x220 - hangs on shutdown Message-ID: <CAJ-Vmo=u4tN4Mq5EAnfLeUoKMoY9rWtzHrh1k%2BWg%2BWEu25Z2MA@mail.gmail.com> In-Reply-To: <20130722095124.GH5991@kib.kiev.ua> 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>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi kib, Is there a wiki page or some other kind of documentation descibing how AMT works? 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. Thanks! -adrian On 22 July 2013 02:51, Konstantin Belousov <kostikbel@gmail.com> wrote: > On Sun, Jul 21, 2013 at 10:52:18PM +0200, Joel Dahl wrote: >> On Sun, Jul 21, 2013 at 07:12:33PM +0300, Konstantin Belousov wrote: >> > On Sun, Jul 21, 2013 at 09:20:45AM +0200, Joel Dahl wrote: >> > > On Tue, Jul 16, 2013 at 10:48:35PM +0200, Joel Dahl wrote: >> > > > Hi, >> > > > >> > > > Yesterday I upgraded my Lenovo x220 to the latest current (r253368). Now it hangs when I do a shutdown from an xterm. The screen just goes black and the fan never spins down. It doesn't respond to ping. >> > > > >> > > > It didn't do this while I was running a current from mid-June. >> > > > >> > > > Any specific revision I should try to back out before I start a time consuming binary search? >> > > >> > > I found it. r252652 works. r252653 does not. >> > >> > What is the chipset on your machine ? >> >> Intel Core i7-2640M / Mobile Intel QM67 Express Chipset >> >> > Do you have AMT ? If yes, please configure serial over LAN using AMT >> > and use it for the console, to obtain the usual debugging information >> > from the kernel. At least, 'ps' output from ddb is needed. >> >> I found "Intel (R) AMT Control" in the BIOS. It's enabled. I haven't figured >> out how it works yet though. > > You need another machine, where you should install amtterm. > On the target, use the loader.conf to redirect console to > AMT Serial over LAN device. > > On my test machine, I have (output from pciconf -lv) > > uart2@pci0:0:22:3: class=0x070002 card=0x200a8086 chip=0x1c3d8086 rev=0x04 hdr=0x00 > vendor = 'Intel Corporation' > device = '6 Series/C200 Series Chipset Family KT Controller' > class = simple comms > subclass = UART > > and then I put into loader.conf > > console="comconsole" > comconsole_pcidev="0:22:3" > > Connect to the target with amtterm. Note that during the PCI bus scan > the connection could be lost, you would need to reconnect. > > You need to set up AMT in the BIOS, including enable of the SoL, remote > connections, password etc. Intel policy on the password strength is > distinctly annoying.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-Vmo=u4tN4Mq5EAnfLeUoKMoY9rWtzHrh1k%2BWg%2BWEu25Z2MA>