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Re: [Xen-devel] Console output with pv_ops kernel

To: jonr@xxxxxxxxxx
Subject: Re: [Xen-devel] Console output with pv_ops kernel
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Mon, 16 Feb 2009 14:53:45 -0800
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jonr@xxxxxxxxxx wrote:
I am trying to get my Xen-3.4-unstable with 2.6.29-rc3-tip to output to the console after Xen releases control back to the kernel. I can see the Xen portion but as soon as it scrubs memory it goes to a blank screen. It will boot up but I will never see a login prompt. I have to ssh into the box.

I have tried various options for grub but have not found the correct combination as of yet. Here is what I have for my menu.lst:

This is the latest incantation:

title Xen 3.4 / kernel 2.6.29-tip-rc3
  root(hd0,0)
  kernel /boot/xen-3.4-unstable.gz dom0_mem=512M
module /boot/vmlinuz-2.6.29-rc3-tip-new ro console=hvc0 earlyprintk=xen pci=nomsi
  module /boot/initramfs-2.6.29-rc3-tip-new.cpio.gz

====
Also:
====
title Xen 3.4 / kernel 2.6.29-tip-rc3
  root(hd0,0)
  kernel /boot/xen-3.4-unstable.gz dom0_mem=512M
module /boot/vmlinuz-2.6.29-rc3-tip-new ro console=hvc0 earlyprintk=xen pci=nomsi
  module /boot/initramfs-2.6.29-rc3-tip-new.cpio.gz


Has anybody gotten this to output to the screen? Is there some magic that I am missing?


This should work if you're using a serial console. Otherwise, you can use a vga console; I use:

title xen-unstable pvops
       kernel /xen-3.gz loglvl=all guest_loglvl=all
module /vmlinuz-2.6.29-rc5-tip ro root=/dev/VolGroup00/LogVol00 ignore_loglevel pci=nomsi earlyprintk=vga console=tty0 module /initrd-2.6.29-rc5-tip.img


   J

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