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RE: [Xen-users] No init found.

Hi all

xm create -c vm1 

Using config file "/etc/xen/vm1".
Started domain vm1
Linux version (root@xxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version
3.4.4 20050721 (Red Hat 3.4.4-2)) #1 SMP Mon Dec 19 15:44:16 WST 2005
kernel direct mapping tables upto 10800000 @ 43d000-4c3000
Built 1 zonelists
Kernel command line:
root=/dev/sda1 ro 1
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 65536 bytes)
Xen reported: 3200.112 MHz processor.
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
Memory: 252796k/270336k available (1659k kernel code, 16904k reserved, 561k
data, 132k init)
Mount-cache hash table entries: 256
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 2048K
CPU: Physical Processor ID: 3
Brought up 1 CPUs
NET: Registered protocol family 16
xen_mem: Initialising balloon driver.
Grant table initialized
IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $
audit: initializing netlink socket (disabled)
audit(1135100047.227:0): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
Xen virtual console successfully installed as tty1
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
NET: Registered protocol family 2
Registering block device major 8
IP: routing cache hash table of 1024 buckets, 16Kbytes
TCP established hash table entries: 16384 (order: 6, 262144 bytes)
TCP bind hash table entries: 16384 (order: 6, 262144 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
IP-Config: Complete:
      device=eth0, addr=, mask=, gw=,
     host=vm1, domain=, nis-domain=(none),
     bootserver=, rootserver=, rootpath=
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Kernel panic - not syncing: No init found.  Try passing init= option to

(adding 'init=/sbin/init' to extras in the config makes no difference)

Note that no disks are found.  This is why I think I need an initrd with the
modules for the SCSI control (LSI MPT Fusion).

Note also that after the panic, a 'xm list' shows vm1 *not* in a crashed
state, is this correct?

 Name                              ID Mem(MiB) VCPUs State  Time(s)
Domain-0                           0      251     1 r-----    16.8
vm1                                6      256     1 r-----    22.9

My config is:
kernel = "/boot/vmlinuz-2.6-xenU"
memory = 256
name = "vm1"
vcpus = 1
disk = [ 'phy:rootvg/xen_vm1,sda1,w' ]
ip = ""
netmask = ""
gateway = ""
hostname = "vm1"
root = "/dev/sda1 ro"
extra = "1"
on_crash    = 'destroy'

I had a troll through the linux-2.6.12-xenU tree under xen-3.0.0 src and
found that the kernel config has PCI disabled, why is this?



-----Original Message-----
From: Andrew D. Ball [mailto:aball@xxxxxxxxxx]
Sent: Wednesday, 21 December 2005 2:11 AM
To: Colin Coe; xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] No init found.

> Not necessarily.  domU initrd aren't usually necessary as far as I know,
> but I have made several of them on the same distribution and version as
> you on that type of blade with commands like
> cd /lib/modules
> depmod
> mkinitrd --omit-scsi-modules /boot/initrd-
> Can you post output from 'xm create -c' for your domU as well as the
> domU configuration?
> Good luck.
> Andrew
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