Re: IPMI SOL seems to not accept characters after getty starts

From: Allan Jude <allanjude_at_freebsd.org>
Date: Wed, 8 Aug 2018 20:03:07 -0400
On 2018-08-08 19:21, Sean Bruno wrote:
> 
> 
> On 08/08/18 17:13, Warner Losh wrote:
>>
>>
>> On Wed, Aug 8, 2018 at 4:39 PM, Sean Bruno <sbruno_at_freebsd.org
>> <mailto:sbruno_at_freebsd.org>> wrote:
>>
>>     tl;dr pxeboot new x86 host, ipmi sol works in loader, not after
>>     multiuser.
>>
>>     The FreeBSD cluster just acquired 4x Supermicro X11DDW-L and I am having
>>     the hardest time with the IPMI SOL interface.
>>
>>     I have configured "COM2" as the IPMI SOL interface and enabled console
>>     redirection.  Netbooting via pxeboot works well and the loader menu is
>>     interactive and responds.
>>
>>     After NFS booting into freebsd (current or stable/11), getty fires up
>>     and attaches to ttyu0.  It prompts me correctly, but it does not accept
>>     my keystrokes.
>>
>>     If I do not configure /etc/ttys to enable a tty unconditionally (on vs
>>     onifconsole), I see dmesg/kernel boot messages but never get a tty.
>>
>>     Its as though FreeBSD does *not* recognize the IPMI SOL port as the
>>     console or something and I'm super confused.  Any thoughts here?
>>
>>
>> Works fine for me.
>>
>> So, let's start with your /boot.config (or /boot/config) loader.conf and
>> device,hints settings. Also BIOS or UEFI?
>>
>> Warner
>>  
> 
> Works for you on this exact Supermicro?
> 
> I am using the defaults all around.  This is booting BIOS mode PXE, all
> console output appears on the IPMI SOL interface.  Driving the beastie
> menu in pxeboot/loader works fine.  When the loader hands the uart off
> to the kernel, I see all boot output and "everything is fine"
> 
> The problem arises when trying to login.  I see the amnesiac login
> prompt, but no key strokes are registered.
> 
> loader.conf:
> console="comconsole"
> comconsole_speed="115200"
> 
> boot.config:
> <does not exist>
> 
> sean
> 
> 

If it is COM2, don't you also need:
comconsole_port="0x2f8"

And possibly device.hints:
hint.uart.1.flags="0x10"

to mark it as a serial console?

-- 
Allan Jude


Received on Wed Aug 08 2018 - 22:03:12 UTC

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