Problem Serial console with Redhat Enterprise Version 3.

Daniel Schrock daniel.schrock at
Fri Mar 11 09:27:13 CST 2005

Just so you don't feel abandoned, since no one on the list has responded.
We have the same issue that you are experiencing on the floowing hardware:
3x PE6650
2x PE2650
4x PE1750

and last but not least, 1 Optiplex Workstation that i used to test
various options.

Kernel messages display just fine, then the display stops after init
until the login prompt appears.
no boot messages at all, yet if I use 'service' to stop/start/restart
while logged into the console, the messages display just fine.

You are not alone, but no one here seems to have any clue as to what is
going on.
I also tried a few RHEL/Dell IRC channels and got a little farther, but
no solution was ever found.

If you do figure it out, please pass the information along.

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jskim wrote:

>I am using PowerEdge 750 with Redhat Linux 3.0 update 3.
>And I am already setting up console login from serial. 
># grub.conf generated by anaconda
># Note that you do not have to rerun grub after making changes to this file
># NOTICE:  You have a /boot partition.  This means that
>#          all kernel and initrd paths are relative to /boot/, eg.
>#          root (hd0,1)
>#          kernel /vmlinuz-version ro root=/dev/sda8
>#          initrd /initrd-version.img
>serial --unit=0 --speed=19200 -word=8 --parity=no --stop=1
>terminal --timeout=10 serial console
>title Red Hat Enterprise Linux ES (2.4.21-20.0.1.ELsmp)
>        root (hd0,1)
>        kernel /vmlinuz-2.4.21-20.0.1.ELsmp ro root=LABEL=/
>        console=tty0 console=ttyS0,19200n8r
>        initrd /initrd-2.4.21-20.0.1.ELsmp.img
># /etc/inittab
>c0:12345:respawn:/sbin/agetty 19200 ttyS0 vt100
># /etc/securetty
>But I can not see any boot log during booting and can not use keyboard until
>Red Hat Linux completely booted from console.
>How Can I will be able to see boot log during the booting and using keyboard to choose which kernel to boot ?
>Name	: JeongSoo, Kim
>C/P	: 011-759-6408
>TEL	: 82-2-2168-8600 ext. 570
>Mail	: jskim at
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