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[Xen-users] RFH: booting Dom0

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] RFH: booting Dom0
From: Steve Thompson <steve49152@xxxxxxxx>
Date: Sun, 13 Apr 2008 22:18:01 -0400 (EDT)
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Hi there, people.

I've been fooling around with the latest in-kernel port of xen in
2.6.25-rc9 without much success.  A little while ago I did get xen 3.0.3
up with 2.6.18, but I would like to use the more recent kernels.  I am
compiling everything from source.  

For testing purposes I am booting under qemu, which I assume should work. 
The problem I'm having at the moment is that when xen gives up VGA and
supposedly starts linux, I get no messages appearing on the console.  This
was the case as well when booting natively.

I have a grub boot entry as follows:

title Xen Dom0 2.6.25-rc9 /dev/hda8
root (hd0,1)
kernel /boot/xen-3.2.0.gz noreboot lapic
module /boot/linux-2.6.25-rc9-x0 root=/dev/hda8 ro lapic
acpi_sleep=s3_bios resume=/dev/hda5

I'm running on another Linux instalation with X and start the show with
(Don't try this at home kids!):

qemu -drive file=/dev/hda 

As I said I get nothing after xen says it relinquishes the vga console. 
The computer is an IBM X30 laptop which I've had for about a year.  Works
fine without xen when using a curent kernel like or 24.4.

I would appreciate any suggestions, surely the xen merge into rc9 should
at least boot.  Plus I am curious to know what the current wisdom is with
respect to running xen when compiling from source.  That is, should I stay
current with the hg testing branch (which one?) or is the 3.2.0 tar file
good enough?  Do I really need to run 2.6.18 in Dom0 for now, or is it
possible to use more recent code?  Perusing the last three months of list
traffic is instructive but doesn't seem to contain any direct information
pertaining to the situation I currently have.



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