SuperMicro IPMI/SOL and ipmitool troubles
Dmitry Morozovsky
marck at rinet.ru
Wed Nov 19 18:55:33 UTC 2014
On Wed, 19 Nov 2014, Paul Mather wrote:
[snip all previous]
> > More fun stuff:
> > On the supermicro machine it is not working to use comconsole_port, as it
> > seems to switch, "redirect after boot" I guess.
> >
> > Specifying hw.uart.console="br:9600" works though, but how to specify that
> > via comconsole_port? (hint, do not put comconsole_port="" in loader.conf)
>
> In my experience it can be confusing to determine which COM port the server
> is actually using for SOL. On multiple different Supermicro servers, I've
> found the BIOS differs as to how SOL is set up. OFten, you can't explicitly
> assign the COM port in the SOL setup. I've also found it rare that the BIOS
> is explicit as to which COM port is being used for SOL. I've had servers
> that use COM1, others that use COM2, and others that use COM3. That makes
> setting comconsole_port somewhat a process of trial and error, at least
> that's what I've found...
I'm now as a thumbrule (well, no servers older tan, say, 6-8 years) use output
of
grep uart /var/run/dmesg.boot
and, usually, IPMI/SOL is the last one from the output; also, you can use
port/irq from there in corner cases
--
Sincerely,
D.Marck [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer: marck at FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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