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- Recipe for getting/building/running Xen/ia64 with pv_ops
- --------------------------------------------------------
-
-This recipe describes how to get xen-ia64 source and build it,
-and run domU with pv_ops.
-
-============
-Requirements
-============
-
- - python
- - mercurial
- it (aka "hg") is an open-source source code
- management software. See the below.
- http://www.selenic.com/mercurial/wiki/
- - git
- - bridge-utils
-
-=================================
-Getting and Building Xen and Dom0
-=================================
-
- My environment is;
- Machine : Tiger4
- Domain0 OS : RHEL5
- DomainU OS : RHEL5
-
- 1. Download source
- # hg clone http://xenbits.xensource.com/ext/ia64/xen-unstable.hg
- # cd xen-unstable.hg
- # hg clone http://xenbits.xensource.com/ext/ia64/linux-2.6.18-xen.hg
-
- 2. # make world
-
- 3. # make install-tools
-
- 4. copy kernels and xen
- # cp xen/xen.gz /boot/efi/efi/redhat/
- # cp build-linux-2.6.18-xen_ia64/vmlinux.gz \
- /boot/efi/efi/redhat/vmlinuz-2.6.18.8-xen
-
- 5. make initrd for Dom0/DomU
- # make -C linux-2.6.18-xen.hg ARCH=ia64 modules_install \
- O=$(/bin/pwd)/build-linux-2.6.18-xen_ia64
- # mkinitrd -f /boot/efi/efi/redhat/initrd-2.6.18.8-xen.img \
- 2.6.18.8-xen --builtin mptspi --builtin mptbase \
- --builtin mptscsih --builtin uhci-hcd --builtin ohci-hcd \
- --builtin ehci-hcd
-
-================================
-Making a disk image for guest OS
-================================
-
- 1. make file
- # dd if=/dev/zero of=/root/rhel5.img bs=1M seek=4096 count=0
- # mke2fs -F -j /root/rhel5.img
- # mount -o loop /root/rhel5.img /mnt
- # cp -ax /{dev,var,etc,usr,bin,sbin,lib} /mnt
- # mkdir /mnt/{root,proc,sys,home,tmp}
-
- Note: You may miss some device files. If so, please create them
- with mknod. Or you can use tar instead of cp.
-
- 2. modify DomU's fstab
- # vi /mnt/etc/fstab
- /dev/xvda1 / ext3 defaults 1 1
- none /dev/pts devpts gid=5,mode=620 0 0
- none /dev/shm tmpfs defaults 0 0
- none /proc proc defaults 0 0
- none /sys sysfs defaults 0 0
-
- 3. modify inittab
- set runlevel to 3 to avoid X trying to start
- # vi /mnt/etc/inittab
- id:3:initdefault:
- Start a getty on the hvc0 console
- X0:2345:respawn:/sbin/mingetty hvc0
- tty1-6 mingetty can be commented out
-
- 4. add hvc0 into /etc/securetty
- # vi /mnt/etc/securetty (add hvc0)
-
- 5. umount
- # umount /mnt
-
-FYI, virt-manager can also make a disk image for guest OS.
-It's GUI tools and easy to make it.
-
-==================
-Boot Xen & Domain0
-==================
-
- 1. replace elilo
- elilo of RHEL5 can boot Xen and Dom0.
- If you use old elilo (e.g RHEL4), please download from the below
- http://elilo.sourceforge.net/cgi-bin/blosxom
- and copy into /boot/efi/efi/redhat/
- # cp elilo-3.6-ia64.efi /boot/efi/efi/redhat/elilo.efi
-
- 2. modify elilo.conf (like the below)
- # vi /boot/efi/efi/redhat/elilo.conf
- prompt
- timeout=20
- default=xen
- relocatable
-
- image=vmlinuz-2.6.18.8-xen
- label=xen
- vmm=xen.gz
- initrd=initrd-2.6.18.8-xen.img
- read-only
- append=" -- rhgb root=/dev/sda2"
-
-The append options before "--" are for xen hypervisor,
-the options after "--" are for dom0.
-
-FYI, your machine may need console options like
-"com1=19200,8n1 console=vga,com1". For example,
-append="com1=19200,8n1 console=vga,com1 -- rhgb console=tty0 \
-console=ttyS0 root=/dev/sda2"
-
-=====================================
-Getting and Building domU with pv_ops
-=====================================
-
- 1. get pv_ops tree
- # git clone http://people.valinux.co.jp/~yamahata/xen-ia64/linux-2.6-xen-ia64.git/
-
- 2. git branch (if necessary)
- # cd linux-2.6-xen-ia64/
- # git checkout -b your_branch origin/xen-ia64-domu-minimal-2008may19
- (Note: The current branch is xen-ia64-domu-minimal-2008may19.
- But you would find the new branch. You can see with
- "git branch -r" to get the branch lists.
- http://people.valinux.co.jp/~yamahata/xen-ia64/for_eagl/linux-2.6-ia64-pv-ops.git/
- is also available. The tree is based on
- git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 test)
-
-
- 3. copy .config for pv_ops of domU
- # cp arch/ia64/configs/xen_domu_wip_defconfig .config
-
- 4. make kernel with pv_ops
- # make oldconfig
- # make
-
- 5. install the kernel and initrd
- # cp vmlinux.gz /boot/efi/efi/redhat/vmlinuz-2.6-pv_ops-xenU
- # make modules_install
- # mkinitrd -f /boot/efi/efi/redhat/initrd-2.6-pv_ops-xenU.img \
- 2.6.26-rc3xen-ia64-08941-g1b12161 --builtin mptspi \
- --builtin mptbase --builtin mptscsih --builtin uhci-hcd \
- --builtin ohci-hcd --builtin ehci-hcd
-
-========================
-Boot DomainU with pv_ops
-========================
-
- 1. make config of DomU
- # vi /etc/xen/rhel5
- kernel = "/boot/efi/efi/redhat/vmlinuz-2.6-pv_ops-xenU"
- ramdisk = "/boot/efi/efi/redhat/initrd-2.6-pv_ops-xenU.img"
- vcpus = 1
- memory = 512
- name = "rhel5"
- disk = [ 'file:/root/rhel5.img,xvda1,w' ]
- root = "/dev/xvda1 ro"
- extra= "rhgb console=hvc0"
-
- 2. After boot xen and dom0, start xend
- # /etc/init.d/xend start
- ( In the debugging case, # XEND_DEBUG=1 xend trace_start )
-
- 3. start domU
- # xm create -c rhel5
-
-=========
-Reference
-=========
-- Wiki of Xen/IA64 upstream merge
- http://wiki.xensource.com/xenwiki/XenIA64/UpstreamMerge
-
-Written by Akio Takebe <takebe_akio@jp.fujitsu.com> on 28 May 2008