[one-users] Kernel panic - not syncing: Attempted to kill init!

Fri Feb 4 12:26:47 PST 2011

Steve, Thank you so much!

I was really stuck here and you saved me.

:)

Thanks,
Anoop

On Sat, Feb 5, 2011 at 1:38 AM, Steven Timm <timm at fnal.gov> wrote:

>
> This is my template for running a Xen VM out of the image repository.
> [timm at fcl002 ~/OpenNebula]$ cat cloudlvs_xen.one
> NAME   = cloudlvs.fnal.gov
> CPU    = 2
> VCPU   = 2
> MEMORY = 2048
>
> #OS     = [
> #  kernel     = /vmlinuz,
> #  initrd     = /initrd.img,
> #  root       = sda1,
> #  kernel_cmd = "ro xencons=tty console=tty1"]
>
> OS      =   [ bootloader = "/usr/bin/pygrub" ]
>
> DISK  = [  image = "cloudlvs-persist-xen.img" ]
>
> DISK   = [
>  type     = swap,
>  size     = 5120,
>  target   = sdb ]
>
> DISK   = [
>  type     = fs,
>  size     = 4096,
>  format   = ext3,
>  save     = yes,
>  target   = sdc,
>  bus      = scsi ]
>
> #NIC    = [ NETWORK = "FermiCloud" ]
> NIC = [ BRIDGE = "xenbr0", MAC = "00:16:3E:02:03:05" ]
>
> FEATURES=[ acpi="no" ]
>
> GRAPHICS = [
>  type    = "vnc",
>  listen  = "127.0.0.1",
>  port    = "5916" ]
>
> CONTEXT = [
>    hostname    = "$NAME",
>    ip_public   = "131.225.154.207",
>    netmask     = "255.255.254.0",
>    gateway     = "131.225.154.1",
>    ns          = "131.225.8.120",
>    files      = "/cloud/images/OpenNebula/templates/init.sh
> /home/timm/OpenNebula/k5login",
>    target      = "hdc",
>    root_pubkey = "id_dsa.pub",
>    username    = "opennebula",
>    user_pubkey = "id_dsa.pub"
> ]
>
> REQUIREMENTS = "HYPERVISOR=\"xen\""
>
> --------------
>
> and here is the declaration of my image in the image repo.
>
> [timm at fcl002 ~/OpenNebula]$ oneimage show 56
> IMAGE  INFORMATION
> ID             : 56
> NAME           : cloudlvs-persist-xen.img
> TYPE           : OS
> REGISTER TIME  : 02/03 17:02:52
> PUBLIC         : No
> PERSISTENT     : Yes
> SOURCE         :
> /var/lib/one/image-repo/d75ce946cc408f9db71bdf14ba6eecd5d20750a5
> STATE          : used
> RUNNING_VMS    : 1
>
> IMAGE TEMPLATE
> BUS=scsi
> DESCRIPTION=cloudlvs xen
> DEV_PREFIX=sd
> NAME=cloudlvs-persist-xen.img
> PATH=/cloud/images/OpenNebula/images/cloudlvs-persist-xen.img
> TYPE=OS
>
>
> For Xen you are best to try to mount / as sda and that's what
> this os template will do.
>
> Steve
>
>
>
>
> On Fri, 4 Feb 2011, Steven Timm wrote:
>
>
>> The error you are getting is probably due to a malformed ramdisk
>> for your Xen kernel. Likely what is happening is that the ramdisk
>> is trying to load the real scsi device as sda1  rather than the xenblk
>> block device.  Try to replace the ramdisk and see if you do any better.
>> I had this same error a while ago and building a ramdisk on a xen
>> VM that was installed statically is what it took for me to make it work.
>>
>> Also, just so you know, when you say  KERNEL = /boot/vmlinuz....
>> etc, then the kernel and ramdisk have to be in that location
>> on your VM host, not inside the LVM you are trying to boot.
>> If you want to use the kernel/ramdisk inside the xen virtual machine
>> then you should use pygrub, which is what I use.
>>
>> Steve
>>
>>
>> On Sat, 5 Feb 2011, anoop Lekshmanan wrote:
>>
>>  I get this error on loading ttylinux or any other image in to Xen Node
>>> and
>>> LVM, I have tried native kernel as well, but that did not work.
>>>
>>> device-mapper: uevent: version 1.0.3
>>> device-mapper: ioctl: 4.11.5-ioctl (2007-12-12) initialised:
>>> dm-devel at redhat.com
>>> device-mapper: dm-raid45: initialized v0.2594l
>>> Kernel panic - not syncing: Attempted to kill init!
>>>
>>> My VM template:
>>>
>>> NAME   = test
>>> CPU    = 1
>>> MEMORY = 256
>>> OS = [
>>>      KERNEL     = /boot/vmlinuz-2.6.18-194.32.1.el5xen,
>>>      INITRD     = /boot/initrd-2.6.18-194.32.1.el5xen.img,
>>>      ROOT       = /dev/vg00/lv-one--0
>>>      #BOOTLOADER  = /usr/bin/pygrub,
>>>      #KERNEL_CMD = "ro"
>>>    ]
>>>
>>> DISK   = [
>>>  IMAGE    = "ttylin",
>>>  #source   = "/dev/vg00/xenvm01",
>>>  target   = "hdb",
>>>  readonly = "no" ]
>>>
>>> NIC    = [ NETWORK = "Small network" ]
>>>
>>> FEATURES=[ acpi="no" ]
>>>
>>> GRAPHICS=[
>>>  AUTOPORT=yes,
>>>  KEYMAP=en-us,
>>>  LISTEN=127.0.0.1,
>>>  PORT=5901,
>>>  TYPE=vnc ]
>>>
>>> #CONTEXT = [
>>> #    hostname    = "$NAME",
>>> #     ip_public   = "192.168.0.16",
>>> #    files      = "/opt/cloud/one/images/init.sh
>>> /opt/cloud/one/.ssh/id_rsa.pub",
>>> #    target      = "hdc",
>>> #    root_pubkey = "id_rsa.pub",
>>> #    username    = "oneadmin",
>>> #    user_pubkey = "id_rsa.pub"
>>>
>>> VM deployment file generated:
>>>
>>> name = 'one-65'
>>> #O CPU_CREDITS = 256
>>> memory  = '256'
>>> kernel = '/boot/vmlinuz-2.6.18-194.32.1.el5xen'
>>> ramdisk = '/boot/initrd-2.6.18-194.32.1.el5xen.img'
>>> root = '/dev//dev/vg00/lv-one--0'
>>> disk = [
>>>   'tap:aio:/opt/cloud/one/var//65/images/disk.0,hdb,w',
>>> ]
>>> vif = [
>>>   ' mac=02:00:c0:a8:1e:06,ip=192.168.30.6,bridge=xenbr0',
>>> ]
>>> vfb = ['type=vnc,vnclisten=127.0.0.1,vncdisplay=1,keymap=en-us']
>>>
>>>
>>>
>>> I am trying to load this in to LVM and ONE creates the LV successfully
>>> and
>>> VM state ins "RUNN"
>>>
>>> Any help would be appreciated.
>>>
>>> Thanks,
>>> Anoop
>>>
>>>
>>
>>
> --
> ------------------------------------------------------------------
> Steven C. Timm, Ph.D  (630) 840-8525
> timm at fnal.gov  http://home.fnal.gov/~timm/
> Fermilab Computing Division, Scientific Computing Facilities,
> Grid Facilities Department, FermiGrid Services Group, Group Leader.
> Lead of FermiCloud project.
>
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