On Thu, Jan 27, 2011 at 10:31:45PM EST, Chris Jones wrote:
> I am looking into setting up Xen 4.0 on a simple dual-boot
> Windows/ubuntu laptop with the following partitions:
>
> | Device Boot Start End Blocks Id System
> | /dev/sda1 * 1 223 1782784 7 HPFS/NTFS
> | /dev/sda2 223 21713 172624888 7 HPFS/NTFS
> | /dev/sda3 35854 38914 24576344 7 HPFS/NTFS
> | /dev/sda4 21713 28522 54686721 5 Extended
> | /dev/sda5 21713 24145 19530752 83 Linux
> | /dev/sda6 24145 26090 15624192 82 Linux swap
> | /dev/sda7 26090 28522 19529728 83 Linux
>
> I did a minimal ‘server type’ install of debian squeeze in /dev/sda7 and
> downloaded the Xen kernel and other packages per the debian wiki. 
>
> Now, I am a confused as to what to do next. 
>
> The laptop currently boots off of the default grub2 bootloader installed
> in the /dev/sda5 ubuntu 10.10 partition. I understand I need to manually
> add a ‘Xen’ stanza pointing to /dev/sda7 and the Xen kernel to for
> instance /etc/grub.d/40_custom - and run ‘update-grub’ so that I end up
> with the corresponding entry in /boot/grub/grub.cfg, but I can't seem to
> find any sample or description of how I should code this additional
> stanza.
>
> By fiddling with grub interactively, I eventually came up with a stanza
> that looks something like:
>
> | menuentry "Xen ..."
> | insmod ext2
> | set root=(hd0,7)
> | multiboot /boot/xen4.0-686.2.32.5.gz
> | module /boot/vmlinuz-xen-686.2.32.5.gz
> | module /boot/initrd-xen-686.2.32.5.gz
>
> This¹ actually boots ‘something’, presumably my initrd but the boot
> messages go by too quickly for me to tell what is actually going on or
> see if there are any errors. 
>
> Eventually, after displaying messages re: USB initialization, the boot
> process stops and when I hit enter, the following prompt is displayed:
>
> | (initramfs)
>
> This is apparently some form of minimal shell where I can enter basic
> commands, such as ‘mount’, ‘ps’.. ’ping’.. ’route’, etc. and even run
> ‘top’.
>
> But, as far as I can tell, my root partition is not mounted.
>
> Has anyone a working environment based on debian squeeze and Xen 4.0,
> and if so, could they either point me to the documentation that they
> used or even post a sample grub2 stanza?
>
> Thanks,
>
> cj
>
> ¹ Probably not the actual file names in the sample stanza above.
Hmm.. 
If my question is completely [OT] .. maybe s/o could point me to the
proper place to ask .. ?
Or is Xen is unusuitable for what I have in mind, namely running
different systems concurrently on my laptop..?
Thanks,
cj
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