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Date:      Tue, 6 Mar 2007 16:25:59 +0300
From:      "Artem Kuchin" <matrix@itlegion.ru>
To:        "Tom Judge" <tom@tomjudge.com>
Cc:        stable@freebsd.org, Jack Vogel <jfvogel@gmail.com>
Subject:   Re: Boot prompt for Intel AMT (serial port redirection on Intel AMT)
Message-ID:  <018f01c75ff2$fb86fa80$0c00a8c0@Artem>
References:  <20070227205351.GA72597@ravenloft.kiev.ua>	<20070305035945.GA71660@xor.obsecurity.org>	<20070305132350.GB57253@comp.chem.msu.su>	<200703051314.29902@aldan>	<20070305191714.GF57253@comp.chem.msu.su>	<20070305193022.GM10453@deviant.kiev.zoral.com.ua>	<000b01c75f6b$594c23d0$0c00a8c0@Artem>	<2a41acea0703051355n5148d19cp36bc425ecd054add@mail.gmail.com><008201c75fcc$21302940$0c00a8c0@Artem> <45ED35F2.9080505@tomjudge.com> <00b501c75fdd$bab195c0$0c00a8c0@Artem> <45ED4ACF.1030003@tomjudge.com>

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----- Original Message ----- 
From: "Tom Judge" <tom@tomjudge.com>
To: "Artem Kuchin" <matrix@itlegion.ru>
Cc: <stable@freebsd.org>; "Jack Vogel" <jfvogel@gmail.com>
Sent: Tuesday, March 06, 2007 2:04 PM
Subject: Re: Boot prompt for Intel AMT


> Artem Kuchin wrote:
>>> Artem Kuchin wrote:
> <snip/>
>>> We have a number of Dell PowerEdge 2950's that we boot using the built 
>>> in SOL, which does run over IP as we use it across a routed VPN 
>>> backbone (server in the data center, console in the office).  We have 
>>> found that the IPMI serial port is connected to the system as COM2, 
>>> which we select in the bios configuration.  We then set device.hints 
>>> so that the freebsd console is set to use the same port.  We use the 
>>> open source ipmitool to access the ipmi controller, and serial port, 
>>> on the system.
>> 
>> Aha! This is something already.
>> 
>> When our system boot it says:
>> Mar  5 23:59:04 aaa kernel: sio0: configured irq 4 not in bitmap of 
>> probed irqs 0
>> Mar  5 23:59:04 aaa kernel: sio0: port may not be enabled
>> Mar  5 23:59:04 aaa kernel: sio0: <16550A-compatible COM port> port 
>> 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
>> Mar  5 23:59:04 aaa kernel: sio0: type 16550A
>> Mar  5 23:59:04 aaa kernel: sio1: configured irq 3 not in bitmap of 
>> probed irqs 0
>> Mar  5 23:59:04 aaa kernel: sio1: port may not be enabled
>> 
>> My guess is that sio0 is the real port and sio1 is the IPMI port of 
>> Intel AMT. But what does this message
>> really say? What must i do to enable the port?
>> The other question, do i need to include
>> device ipmi
>> 
>> in the kernel config? And  how do i tell the boot loader to redirect its 
>> output to serial port? Sorry,
>> working with freebsd for 10 years now but never touched this issue.
>> 
> 
> This is the dmesg from our servers (sio1 is the ipmi SOL port):
> sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 on acpi0
> sio0: type 16550A
> sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 flags 0x10 on 
> acpi0
> sio1: type 16550A, console
> 
> As far as I know it is not required to have ipmi in the kernel (we dont 
> have it in our kernels) to use the SOL port.
> 
> This page should help you setup the serial console:
> 
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/serialconsole-setup.html

Hmm. i am stuck now.

I have setup everything as described but still see nothing in SOL terminal when system boots
(still can see BIOS). I can turn on video redirection to serial port COM1 in the BIOS and then
i can see boot prompt and boot menu, but i cannot do anything there because keyboard is not
working at all. Now i have the floowing questions:
1) What port is redirected over SOL in intel ? It is not COM1.
2) Can it do serial redirection at all?
3) Did anybody ever managed to set this thing up on Intel Server with AMT?

My server is ENtry level SE7230ONH1-E

--
Regards
Artem




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