Date: Tue, 06 Mar 2007 11:04:47 +0000 From: Tom Judge <tom@tomjudge.com> To: Artem Kuchin <matrix@itlegion.ru> Cc: stable@freebsd.org, Jack Vogel <jfvogel@gmail.com> Subject: Re: Boot prompt for Intel AMT Message-ID: <45ED4ACF.1030003@tomjudge.com> In-Reply-To: <00b501c75fdd$bab195c0$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>
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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 Tom
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