WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-ia64-devel

Re: [Xen-ia64-devel] [RFC][DRAFT] linux-2.6/Documentation/ia64/pv_ops.tx

To: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] [RFC][DRAFT] linux-2.6/Documentation/ia64/pv_ops.txt
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Wed, 21 May 2008 14:51:51 +0900
Cc: Alex Williamson <alex.williamson@xxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 20 May 2008 22:52:07 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <85C8BAF8350985takebe_akio@xxxxxxxxxxxxxx>
List-help: <mailto:xen-ia64-devel-request@lists.xensource.com?subject=help>
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
List-post: <mailto:xen-ia64-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=unsubscribe>
References: <85C8BAF8350985takebe_akio@xxxxxxxxxxxxxx>
Sender: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.6i
Did you enabled CONFIG_HVC_DRIVER=y and CONFIG_HVC_XEN=y?
The console is hvc. ("console=hvc")

thanks,

On Wed, May 21, 2008 at 01:07:38PM +0900, Akio Takebe wrote:
> Hi, all
> 
> This is a recipe of Xen/ia64 with pv_ops.
> I want to add this in linux-2.6/Documentation/ia64/.
> 
> Any comments/feedbacks are welcome.
> 
> I cannot boot domU with pv_ops yet.
> The fail messages is the below. Though I think I could boot the same config 
> before,
> now do I need any configuraion special?
> =================================================================
> NET: Registered protocol family 17
> blkfront: xvda: barriers enabled
>  xvda: xvda1 xvda2
> XENBUS: Device with no driver: device/console/0
> RAMDISK: Couldn't find valid RAM disk image starting at 0.
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> Freeing unused kernel memory: 1984kB freed
> Warning: unable to open an initial console.
> Restarting system.
> =================================================================
> 
> Best Regards,
> 
> Akio Takebe
> 
> ---
>        Recipe for getting/building/running Xen/ia64 with pv_ops
>        --------------------------------------------------------
> 
> This recipe discribes how to get xen-ia64 source and build it,
> and run domU with pv_ops.
> 
> ===========
> Requirement
> ===========
> 
>   - python
>   - mercurial
>     it (aka "hg") is a 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 enviroment 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}
> 
>  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 xvc0 console
>        X0:2345:respawn:/sbin/mingetty xvc0
>     tty1-6 mingetty can be commented out
>     
>  4. add xvc0 into /etc/securetty
>     # vi /mnt/etc/securetty (add xvc0)
>  
>  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 
>     (you can see git branch -r to get the branch lists.)
> 
>  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?highlight=%28pv_ops%29
> 
> Witten by Akio Takebe <takebe_akio@xxxxxxxxxxxxxx> on 21 May 2008
> 
> 
> _______________________________________________
> Xen-ia64-devel mailing list
> Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-ia64-devel
> 

-- 
yamahata

_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel