SOL - getting garbage from kernel and getty

[John_O_Todd at Dell.com]

The first thing I would say to try is disable Redirection after boot in the bios. 
Also make sure your RAC is configured for the correct speed. racadm config -g cfgSerial -o cfgSerialBaudRate 115200

Also make sure that serial is properly enabled on the RAC racadm config -g cfgSerial -o cfgSerialConsoleEnable 1


Cheers
John Todd

-----Original Message-----
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Torbjørn
Sent: Thursday, February 14, 2008 8:56 AM
To: linux-poweredge-Lists
Subject: SOL - getting garbage from kernel and getty

Hello, everyone.

I've just gotten SOL working on a couple of 2950s and 860s, and it works 
quite beautifully.
On my Kubuntu Gutsy, ipmitool is version 1.8.8, which segfaults when 
using SOL.
I downloaded and compiled ipmitool 1.8.9, and everything seems to work.

However, the boot messages scrolls by from BIOS, and GRUB gets displayed 
and works nicely.
However, when the kernel kicks in, I just get garbage.
I get data, but something is wrong, as it behaves as if I am cat'ing a 
binary file.
Same problem when I get to login, and getty grabs the device.

I logged in and strace'd the getty process, and I can see it receives 
data, but the characters are all wrong.

My configuration is as follows:
BMC on unique IP, works nicely

BIOS
Serial communication - On with console redir via COM2
External serial connector - Remote Access Device
Failsafe baud rate - 115200
remote terminal type - vt100/vt220
redirection after boot - Enabled


GRUB:
title           Debian GNU/Linux, kernel 2.6.18-6-686
root            (hd0,2)
kernel          /boot/vmlinuz-2.6.18-6-686 root=/dev/sda3 ro 
console=tty0 console=ttyS1,115200
initrd          /boot/initrd.img-2.6.18-6-686


/etc/inittab
# Dell BMC Serial-over-LAN console
co:2345:respawn:/sbin/getty -L ttyS1 115200 vt100

Anyone see any clues as to why boot kernel messages and login gets all 
funky ?

-- Torbjørn

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