Serial console

Daniel Bye dan at slightlystrange.org
Thu Mar 17 04:27:00 PST 2005


On Thu, Mar 17, 2005 at 02:07:07AM +0100, Emanuel Strobl wrote:
> Am Dienstag, 15. M?rz 2005 12:37 schrieb Daniel Bye:
> [...]
> > The machine boots - you see the BIOS POST, the SATA controller comes up,
> > then you see FreeBSD's boot messages on the console.  As soon as the
> > kernel launches, we get the login: prompt and then nothing.  So, we know
> > the hardware works; the problem is something I am doing with the kernel
> > config.  As I said, this setup is the same as a machine running the same
> > hardware, that is known to be working.
> 
> If I understand it correctly you see the kernel probing, any you also see that 
> a getty gets started at ttyd0 but you can't type (and see the echo) anything, 
> right?

Yes, this is the case.  We see the same lack of responsiveness to the
keyboard during the loader, as well; I guess this points to a problem
with the cabling.

> Maybe it's your terminal connection (null-modem I guess).

Sorry - yes, we are using a Cisco console server.  And thinking about it
now, I seem to recall that a few months ago we discovered one of the
lines on the octopus was dodgy.  I wonder...

> Make sure to measure 0Ohm between pin 1 and 6 (DSR-DCD) on the DTE (computer).
> That's my only guess. Everything elese seems to be fine...

Thanks for the nudge.

Dan

-- 
Daniel Bye

PGP Key: ftp://ftp.slightlystrange.org/pgpkey/dan.asc
PGP Key fingerprint: 3B9D 8BBB EB03 BA83 5DB4 3B88 86FC F03A 90A1 BE8F
                                                                     _
                                              ASCII ribbon campaign ( )
                                         - against HTML, vCards and  X
                                - proprietary attachments in e-mail / \
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20050317/e4538ea3/attachment.bin


More information about the freebsd-questions mailing list