[Xen-devel] domU boot problem. (xen 3.3, kernel-2.6.18.8, gcc-4.3.2)

["Jeniffer, Loren" <jeniffer.loren7@xxxxxxxxx>]

Hi ~

I got an error : "Kernel panic - not syncing: Attempted to kill init"
And googling doesn't help me about this.
I built domU kernl using buildconfigs/linux-defconfig_xenU_x86_32.

And I copied directories to /dev/hdc8 which is supposed to be domU's
rootfs like :
root@hyper1:/boot# mount /dev/hdc8 /mnt/
root@hyper1:/boot# ls /mnt/
bin/ dev/ lib/ root/ sbin/ usr/ var/
root@hyper1:/boot# umount /mnt/

What should I do to get a domU's console ?
Belows are the domain_config and xm create output.


root@hyper1:/boot# cat domain_config
# -*- mode: python; -*-
kernel = "/boot/vmlinuz-2.6.18.8-domU"
ramdisk = "/boot/initrd-2.6.18.8-domU.img"
memory = 256
name = "linux-domU"
disk = [ 'phy:hdc8,sda1,w' ]
root = "/dev/sda1 ro"

root@hyper1:/boot# xm create -c domain_config vmid=1
Using config file "./domain_config".
Started domain linux-domU
Linux version 2.6.18.8 (root@hyper1) (gcc version 4.3.2 ( Ubuntu
4.3.2-1ubuntu12) ) #1 SMP Thu Feb 26 10:50:43 KST 2009
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000010800000 (usable)
0MB HIGHMEM available.
264MB LOWMEM available.
Allocating PCI resources starting at 20000000 (gap: 10800000:ef800000)
Detected 3391.647 MHz processor.
Built 1 zonelists. Total pages: 67584
Kernel command line: root=/dev/hda1 ro
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 8192 bytes)
Xen reported: 3391.498 MHz processor.
Console: colour dummy device 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Software IO TLB disabled
vmalloc area: d1000000-f53fe000, maxmem 2d7fe000
Memory: 255876k/270336k available (2003k kernel code, 6268k reserved,
507k data, 140k in it, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 6785.85 BogoMIPS
(lpj=33929290)
Mount-cache hash table entries: 512
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 2048K
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 16k freed
Brought up 1 CPUs
migration_cost=0
NET: Registered protocol family 16
Brought up 1 CPUs
suspend: event channel 6
xen_mem: Initialising balloon driver.
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 5, 131072 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 16384 bind 8192)
TCP reno registered
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as xvc0
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
i8042.c: No controller found.
mice: PS/2 mouse device common for all mice
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
xen-vbd: registered block device major 3
blkfront: hda1: barriers enabled
XENBUS: Device with no driver: device/console/0
EXT3-fs: INFO: recovery required on readonly filesystem.
EXT3-fs: write access will be enabled during recovery.
kjournald starting. Commit interval 5 seconds
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 140k freed
Kernel panic - not syncing: Attempted to kill init!



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