[Xen-devel] Dumping Xen dom0 kernel output to serial console

["Yung Giang" <yung.giang@xxxxxxxxx>]

Hi-
          I am having a weird problem with setting dom0
kernel output to the serial console with Xen 3.0.4-1, below is my grub
setting. With this setting if I don't enter the grub menu and have the
default boot to the first image, everything works fine and I can get
output/input to the serial console. The problem is when I enter the
grub menu and select the image to boot from, if I select the same one
the first image it will not show any serial output and when the machine
is up I can't get any serial output or input. Has anyone else seen this
problem or have any suggestions on how it can be fix?

Thanks 
Yung Giang

# $Id: 20grub 6828 2006-11-16 16:56:42Z
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You do not have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /, eg.
#          root (hd0,0)
#          kernel /boot/vmlinuz-version ro root=/dev/md0
#          initrd /boot/initrd-version.img
#boot=/dev/sda1
serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
terminal --timeout=10 serial console
default=0
timeout=5
title Xen 3 / XenLinux 2.6
        root (hd0,0)
        kernel /boot/xen.gz  dom0_mem=768M console=com1 com1=115200,8n1
        module /boot/vmlinuz-2.6-xen ro root=/dev/md0 console=/dev/tty0 console=ttyS0,115200
        module /boot/initrd-
2.6-xen.img
title Xen 3 / XenLinux 2.6
        root (hd1,0)
        kernel /boot/xen.gz dom0_mem=768M console=com1 com1=115200,8n1
        module /boot/vmlinuz-2.6-xen ro root=/dev/md0 console=/dev/tty0 console=ttyS0,115200
        module /boot/initrd-2.6-xen.img
title Red Hat Enterprise Linux AS (2.6.9-22.ELsmp)
        root (hd0,0)
        kernel /boot/vmlinuz-2.6.9-22.ELsmp ro root=/dev/md0
        initrd /boot/initrd-2.6.9-22.ELsmp.img
title Red Hat Enterprise Linux AS-up (2.6.9-22.EL)
        root (hd0,0)
        kernel /boot/vmlinuz-2.6.9-22.EL ro root=/dev/md0
        initrd /boot/initrd-2.6.9-22.EL.img


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel