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Date:      Wed, 8 Aug 2018 19:23:13 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Allan Jude <allanjude@freebsd.org>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: IPMI SOL seems to not accept characters after getty starts
Message-ID:  <CANCZdfqXzt41XWkZS6bAjQJZE6MwM-gavvZV_ee5DgDAMxLp8Q@mail.gmail.com>
In-Reply-To: <892eaabd-2c47-3b3f-bc8d-25fbd10a73c0@freebsd.org>
References:  <0901f10d-a0d2-9020-9b4f-a5efc0bd18cd@freebsd.org> <CANCZdfqtutUCBBjyO3MsfKaW9GfaqqgSGCT3y2T5EsmiKVcqOg@mail.gmail.com> <8e953e71-9069-0ba3-19ec-77d8baf2f0f6@freebsd.org> <892eaabd-2c47-3b3f-bc8d-25fbd10a73c0@freebsd.org>

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On Wed, Aug 8, 2018 at 6:03 PM, Allan Jude <allanjude@freebsd.org> wrote:

> 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@freebsd.org
> >> <mailto:sbruno@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?
>

What does the amnesiac login message say is the tty?

Warner



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