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Re: [Xen-devel] Printing debug message from hypervisor

  • To: Sandesh <sandesh.ahiremath@xxxxxxxxx>
  • From: Grzegorz MiÅoÅ <gm281@xxxxxxxxx>
  • Date: Wed, 11 Jun 2008 09:50:43 +0100
  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 11 Jun 2008 01:51:08 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

add the following command line options to your xen configuration
(bootloader config):
com1=115200,8n1 console=com1,tty
as part of the hypervisor/dom0 boot option right??

As part of the hypervisor boot option. If you are using grub, your config is likely to look something like:

title Xen
kernel xen.gz dom0_mem=512M
module vmlinuz ro root=/dev/sda1 console=ttyS0

Change it to:
kernel xen.gz dom0_mem=512M com1=<baud-rate>,8n1 console=com1,vga
module vmlinuz ro root=/dev/sda1 console=ttyS0

(NOTE: I believe 'vga' is required, instead of 'tty')


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