[Xen-devel] Re: Fedora Core 3 -- boot ok, can't login.

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> I just installed the xen2.0 on my FC2  system, it works well. So I
> guess it is the FC3 problem. And also I guess xen2.0 does not support
> the udev well.

It turns out to be fairly simple to boot FC3 on Xen -- the problem is
that it relies on an initial ramdisk (initrd) to bootstrap itself.

So, you have two possible ways to get an FC3 filesystem working:

1. Manually create some device nodes in /dev. To do this, boot a
   rescue disk or some other partition and then mount the
   root filesystem, and:
    # mknod /mnt/dev/null c 1 3
    # mknod /mnt/dev/console c 5 1
 
2. Load and run a suitable initrd file. You can either use one
   provided in the /boot directory of your FC3 filesystem, or you
   can use the slightly-modified one that we supply at:
    http://www.cl.cam.ac.uk/netos/xen/downloads/initrd-fc3.img

   To specify an initrd file for domain 0 add an extra "module"
   line to your GRUB config, after your kernel-module line
   (e.g., "module /boot/initrd-2.6.9-xen0.img"). To use an
   initrd file for other domains, set the "ramdisk" variable in
   your domain configuration file
   (e.g., "ramdisk = path/to/initrd-2.6.9-xenU.img").

 Hope this helps,
 Keir


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