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[Xen-users] kernel panic while creating a domU

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] kernel panic while creating a domU
From: "SHUBHAM SHARMA, Noida" <shubham.sharma@xxxxxx>
Date: Thu, 19 Jun 2008 12:45:47 +0530
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Thread-topic: kernel panic while creating a domU

Hi all,

 

I tried creating a domU on a file backed VBD and changed the fstab as follows:

/dev/sda3                                                /                            ext3           acl,user_xattr        1 1

/dev/sda3                                                /home                ext3           acl,user_xattr        1 2

 

with the following config file :

 

kernel = "/boot/vmlinuz-2.6.16.46-0.12-xen"

ramdisk = "/boot/initrd-2.6.16.46-0.12-xen"

memory = 512

name = "Beautiful"

vcpus = 1

vif = [ '' ]

disk = [ 'file:/home/xentest/vm01.img,sda3,w' ]

root ="/dev/sda3"

on_reboot   = 'restart'

on_crash    = 'restart'

 

but while creating the domain I got a kernel panic :

 

xm create -c beautiful1

Using config file "./beautiful1".

Started domain Beautiful

Bootdata ok (command line is root=/dev/sda3 )

Linux version 2.6.16.46-0.12-xen (geeko@buildhost) (gcc version 4.1.2 20070115 (prerelease) (SUSE Linux)) #1 SMP Thu May 17 14:00:09 UTC 2007

BIOS-provided physical RAM map:

 Xen: 0000000000000000 - 0000000020800000 (usable)

No mptable found.

Built 1 zonelists

Kernel command line: root=/dev/sda3

Initializing CPU#0

PID hash table entries: 4096 (order: 12, 131072 bytes)

Xen reported: 1595.923 MHz processor.

Console: colour dummy device 80x25

Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)

Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)

Software IO TLB disabled

Memory: 501116k/532480k available (1902k kernel code, 22552k reserved, 798k data, 160k init)

Calibrating delay using timer specific routine.. 3629.84 BogoMIPS (lpj=7259687)

Security Framework v1.0.0 initialized

Mount-cache hash table entries: 256

CPU: L1 I cache: 32K, L1 D cache: 32K

CPU: L2 cache: 4096K

CPU: Physical Processor ID: 3

CPU: Processor Core ID: 1

checking if image is initramfs... it is

Freeing initrd memory: 7704k freed

Brought up 1 CPUs

migration_cost=0

DMI not present or invalid.

Grant table initialized

NET: Registered protocol family 16

Brought up 1 CPUs

PCI: setting up Xen PCI frontend stub

ACPI: Subsystem revision 20060127

ACPI: Interpreter disabled.

xen_mem: Initialising balloon driver.

Setting mem allocation to 524288 kiB

PCI: System does not support PCI

PCI: System does not support PCI

IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $

audit: initializing netlink socket (disabled)

audit(1213859507.706:1): 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 (default)

rtc: IRQ 8 is not free.

Non-volatile memory driver v1.2

i8042.c: No controller found.

RAMDISK driver initialized: 16 RAM disks of 128000K size 1024 blocksize

xencons_init: Initializing xen vfb; pass xencons=tty to prevent this

Xen virtual console successfully installed as xvc0

Event-channel device installed.

mice: PS/2 mouse device common for all mice

input: PC Speaker as /class/input/input0

md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27

md: bitmap version 4.39

NET: Registered protocol family 2

IP route cache hash table entries: 32768 (order: 6, 262144 bytes)

TCP established hash table entries: 131072 (order: 9, 2097152 bytes)

TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)

TCP: Hash tables configured (established 131072 bind 65536)

TCP reno registered

NET: Registered protocol family 1

XENBUS: Device with no driver: device/vbd/2051

XENBUS: Device with no driver: device/vif/0

XENBUS: Device with no driver: device/console/0

netfront: Initialising virtual ethernet driver.

netfront: device eth0 has copying receive path.

Registering block device major 8

blkfront: sda3: barriers enabled

Kernel panic - not syncing: Attempted to kill init!

 

Thanks

Shubham

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