path: root/microkernel/mach/gnumach/ports/xen.mdwn
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authorThomas Schwinge <>2008-11-05 14:58:33 +0100
committerThomas Schwinge <>2008-11-05 14:58:33 +0100
commitae9e4e22a7ce8b2b56e98ff1708c2e8d42eefd69 (patch)
tree53d824c19af411f67db44baeacba9b22b68731e6 /microkernel/mach/gnumach/ports/xen.mdwn
parent9574f098caf72da7f709c8467e96606cce04fff9 (diff)
microkernel/mach/gnumach -> microkernel/mach/gnu_mach
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-[[meta copyright="Copyright © 2007, 2008 Free Software Foundation, Inc."]]
-[[meta license="""[[toggle id="license" text="GFDL 1.2+"]][[toggleable
-id="license" text="Permission is granted to copy, distribute and/or modify this
-document under the terms of the GNU Free Documentation License, Version 1.2 or
-any later version published by the Free Software Foundation; with no Invariant
-Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
-is included in the section entitled
-[[toc ]]
-## Xen dom0, PAE-disabled hypervisor
-/!\ Since GNU Mach doesn't handle PAE yet, you'll need a PAE-disabled hypervisor.
-On Debian Lenny, for example, you can install xen-hypervisor-3.2-1-i386-nonpae.
-This also means that you'll currently need a PAE-disabled `dom0`.
-[[Stefan_Siegl|stesie]] is providing a PAE-disabled Linux kernel image at
-You can either get binaries at <> or build them yourself.
-- Copy `gnumach-xen` and `hurd-modules` to your dom0 /boot.
-- Copy `hurd` into `/etc/xen`, edit it for fixing access to your hurd / and swap
-## GNU/Hurd system
-/!\ You need an already installed GNU/Hurd system.
-If you have a free partition, you can fdisk to type 0x83, create a filesystem using:
- sudo mke2fs -b 4096 -I 128 -o hurd /dev/sda4
-Replace /dev/sda4 with your partition. Install and use crosshurd to setup a GNU/Hurd system on this partition.
-## /etc/xen/hurd configuration
-Here is a sample /etc/xen/hurd configuration
- kernel = "/boot/gnumach-xen"
- memory = 256
- disk = ['phy:sda4,hda,w']
- extra = "root=device:hd0"
- vif = [ '' ]
- ramdisk = "/boot/hurd-modules"
-Suggestions about [[networking_configuration]] are available.
-If you need stable MAC addresses, use a syntax like `vif = [
-'mac=00:16:3e:XX:XX:XX, bridge=br0' ]`.
-## Running Hurd with Xen
-To run Hurd with Xen, use:
- xm create -c hurd
-and gnumach should get started. Proceed with native-install.
- export TERM=mach
- ./native-install
-- If `xm` complains about networking (`vif could not be connected`), it's Xen scripts' fault, see Xen documentation for how to configure the network. The simplest way is network-bridge with fixed IPs (note that you need the bridge-utils package for this). You can also just disable networking by commenting the vif line in the config.
-- If `xm` complains `Error: (2, 'Invalid kernel', 'xc_dom_compat_check: guest type xen-3.0-x86_32 not supported by xen kernel, sorry\n')`, you most probably have a PAE-enabled hypervisor, and you just need to install and boot non-PAE hypervisor and kernel.
-## Building from sources
-If you want to generate these images, first get the `gnumach-1-branch-Xen-branch` branch from gnumach CVS.
-Then look for "Ugly" in `kern/bootstrap.c`, how to generate `hurd-modules` is explained there, and you'll have to fix `EXT2FS_SIZE` and `LD_SO_SIZE` by hand.
-Then use
- ./configure --enable-platform=xen
- make
-The current `hurd-modules` was built from the debian packages `hurd 20070606-2` and `libc0.3 2.6.1-1`.
-/!\ This means that when using this image, your GNU/Hurd system also needs to be a glibc version 2.6-based one!
-[[GNU_Savannah_task 5468]], [[GNU_Savannah_task 6584]].