[Xen-users] RE: Error starting DomU (Kernel panic - not syncing:No init found )

[Max E Baro <MEB@xxxxxxxxxxxxxxxxx>]

Not entirely sure if this applies to FC5, but I had the same problem in RHES3.  You need to create a dir called 'initrd/ off root in your disk image vm2.img.  It can be an empty dir, but RH type installs require it.

max

-----Original Message-----

Message: 1
Date: Mon, 22 May 2006 22:59:07 -0400 (EDT)
From: "Purav Saraiya" <purav@xxxxxxxxxxxxx>
Subject: [Xen-users] Error starting DomU (Kernel panic - not syncing:
        No      init found)
To: xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID:
        <64388.134.134.136.3.1148353147.squirrel@xxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain;charset=iso-8859-1

Hi,

I am not able to start a new domainU on FC5.
To start the new domain I give command xm create -c domU.conf vmid=1.

This gives me the following error:

VFS: Mounted root (ext3 filesystem) readonly.
Kernel panic - not syncing: No init found.  Try passing init= option to
kernel.

Call Trace: <ffffffff80128d62>{panic+134} <ffffffff801083a6>{init+908}
       <ffffffff8010b7aa>{child_rip+8} <ffffffff8010801a>{init+0}
       <ffffffff8010b7a2>{child_rip+0}

The configuration that I am using:

The config file for domU - domU.conf contains:
kernel = "/boot/vmlinuz-2.6.15-1.2054_FC5xenU"
memory = 64
name = "ExampleDomain"
vif = [ '' ]
disk = [ 'file:/srv/vm2.img,sda1,w' ]
root = "/dev/sda1 ro"
extra = "4"

I created the vm2.img file
and copied /{bin, dev, etc, lib, root, sbin, usr, var} from the domain0.

In vm2.img, /etc/fstab file contains:

/dev/sda1                /           ext3    defaults        1 1
#/dev/VolGroup00/LogVol00 /          ext3    defaults        1 1
LABEL=/boot             /boot        ext3    defaults        1 2
devpts                  /dev/pts     devpts  gid=5,mode=620  0 0
tmpfs                   /dev/shm     tmpfs   defaults        0 0
proc                    /proc        proc    defaults        0 0
sysfs                   /sys         sysfs   defaults        0 0
#/dev/VolGroup00/LogVol01 swap       swap    defaults        0 0

In dom0, /boot contains:
config-2.6.15-1.2054_FC5          System.map-2.6.15-1.2054_FC5
config-2.6.15-1.2054_FC5xenU      System.map-2.6.15-1.2054_FC5xenU
vmlinuz-2.6.15-1.2054_FC5         initrd-2.6.15-1.2054_FC5.img    
vmlinuz-2.6.15-1.2054_FC5xenU     initrd-2.6.15-1.2054_FC5xenU.img
xen.gz-2.6.15-1.2054_FC5          xen-syms-2.6.15-1.2054_FC5

It would be great if you could point out where am I making mistakes.

Thanks,
Purav

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