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[Fedora-xen] Prb manualy creating new VM.



Hi,
after a previous thread I start & some feedback you gave to me, about
creating xen VM I ask you for your help.

Here is the problem : `mount`. It was unable to find the disk/device
to mount it as root (/). After the linux kernel bootup (domU)
I create the VM by theses steps:

i'm on fedora 8 with xen 3.1.0-13


a) #fdisk /dev/sda		create a new part (sda4) type linux
b)format it with
   #mkfs.ext3 /dev/sda4
c)Copy on it all files from my distrib with :
   #cp -a / /mnt/sda4
  Edit the /mnt/sda4/etc/fstab to meet the reqs for the VM.
d)Start the vm from config file (see below).
   #xm create testvm.conf -c
	Booom! failed :'(	

I check every thing i can, fstab, VM config file & test several
things... But i was unable to fix the problem.

Someone can help me, point out whats wrong ?
Thanks,

---
Guillaume


---begin of xenVM config file---
kernel = "/boot/vmlinuz-2.6.21-2950.fc8xen"
ramdisk = "/boot/initrd-2.6.21-2950.fc8xen.img"
root = "root=/dev/sda1 ro"
#extra = "1"
memory = "128"
name = "Fedora-8-Guest"
disk = [ 'phy:sda4,sda1,w' ]

---EOF---

---begin of boot---
#xm create testvm.conf -c
Using config file "./testvm.conf".
Started domain Fedora-8-Guest
                             Linux version 2.6.21-2950.fc8xen
(kojibuilder xenbuilder2 fedora redhat com) (gcc version 4.1.2
20070925 (Red Hat 4.1.2-32)) #1 SMP Tue Oct 23 12:24:34 EDT 2007
BIOS-provided physical RAM map:
sanitize start
sanitize bail 0
copy_e820_map() start: 0000000000000000 size: 0000000008800000 end:
0000000008800000 type: 1
 Xen: 0000000000000000 - 0000000008800000 (usable)
0MB HIGHMEM available.
136MB LOWMEM available.
NX (Execute Disable) protection: active
Zone PFN ranges:
  DMA             0 ->    34816
  Normal      34816 ->    34816
  HighMem     34816 ->    34816
early_node_map[1] active PFN ranges
    0:        0 ->    34816
ACPI in unprivileged domain disabled
Detected 2001.289 MHz processor.
Built 1 zonelists.  Total pages: 34544
Kernel command line: root=/dev/sda1 ro
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
CPU 0 irqstacks, hard=c136c000 soft=c134c000
PID hash table entries: 1024 (order: 10, 4096 bytes)
Xen reported: 2000.198 MHz processor.
Console: colour dummy device 80x25
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Software IO TLB disabled
vmalloc area: c9000000-f4ffe000, maxmem 2d7fe000
Memory: 118016k/139264k available (2071k kernel code, 12968k reserved,
1080k data, 188k init, 0k highmem)
virtual kernel memory layout:
    fixmap  : 0xf5315000 - 0xf57fe000   (5028 kB)
    pkmap   : 0xf5000000 - 0xf5200000   (2048 kB)
    vmalloc : 0xc9000000 - 0xf4ffe000   ( 703 MB)
    lowmem  : 0xc0000000 - 0xc8800000   ( 136 MB)
      .init : 0xc1319000 - 0xc1348000   ( 188 kB)
      .data : 0xc1205e5e - 0xc1313fd4   (1080 kB)
      .text : 0xc1000000 - 0xc1205e5e   (2071 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 4070.78 BogoMIPS (lpj=8141572)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 2048K
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 13k freed
Brought up 1 CPUs
NET: Registered protocol family 16
Brought up 1 CPUs
PCI: Fatal: No config space access function found
PCI: setting up Xen PCI frontend stub
Setting up standard PCI resources
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
xen_mem: Initialising balloon driver.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
PCI: System does not support PCI
PCI: System does not support PCI
NetLabel: Initializing
NetLabel:  domain hash size = 128
NetLabel:  protocols = UNLABELED CIPSOv4
NetLabel:  unlabeled traffic allowed by default
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 98304 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
checking if image is initramfs... it is
Freeing initrd memory: 7064k freed
audit: initializing netlink socket (disabled)
audit(1194965135.393:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
ksign: Installing public key data
Loading keyring
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
rtc: IRQ 8 is not free.
Non-volatile memory driver v1.2
Linux agpgart interface v0.102 (c) Dave Jones
RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
input: Macintosh mouse button emulation as /class/input/input0
Xen virtual console successfully installed as xvc0
Linux version 2.6.21-2950.fc8xen
(kojibuilder xenbuilder2 fedora redhat com) (gcc version 4.1.2
20070925 (Red Hat 4.1.2-32)) #1 SMP Tue Oct 23 12:24:34 EDT 2007
BIOS-provided physical RAM map:
sanitize start
sanitize bail 0
copy_e820_map() start: 0000000000000000 size: 0000000008800000 end:
0000000008800000 type: 1
 Xen: 0000000000000000 - 0000000008800000 (usable)
0MB HIGHMEM available.
136MB LOWMEM available.
NX (Execute Disable) protection: active
Zone PFN ranges:
  DMA             0 ->    34816
  Normal      34816 ->    34816
  HighMem     34816 ->    34816
early_node_map[1] active PFN ranges
    0:        0 ->    34816
ACPI in unprivileged domain disabled
Detected 2001.289 MHz processor.
Built 1 zonelists.  Total pages: 34544
Kernel command line: root=/dev/sda1 ro
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
CPU 0 irqstacks, hard=c136c000 soft=c134c000
PID hash table entries: 1024 (order: 10, 4096 bytes)
Xen reported: 2000.198 MHz processor.
Console: colour dummy device 80x25
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Software IO TLB disabled
vmalloc area: c9000000-f4ffe000, maxmem 2d7fe000
Memory: 118016k/139264k available (2071k kernel code, 12968k reserved,
1080k data, 188k init, 0k highmem)
virtual kernel memory layout:
    fixmap  : 0xf5315000 - 0xf57fe000   (5028 kB)
    pkmap   : 0xf5000000 - 0xf5200000   (2048 kB)
    vmalloc : 0xc9000000 - 0xf4ffe000   ( 703 MB)
    lowmem  : 0xc0000000 - 0xc8800000   ( 136 MB)
      .init : 0xc1319000 - 0xc1348000   ( 188 kB)
      .data : 0xc1205e5e - 0xc1313fd4   (1080 kB)
      .text : 0xc1000000 - 0xc1205e5e   (2071 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 4070.78 BogoMIPS (lpj=8141572)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 2048K
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 13k freed
Brought up 1 CPUs
NET: Registered protocol family 16
Brought up 1 CPUs
PCI: Fatal: No config space access function found
PCI: setting up Xen PCI frontend stub
Setting up standard PCI resources
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
xen_mem: Initialising balloon driver.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
PCI: System does not support PCI
PCI: System does not support PCI
NetLabel: Initializing
NetLabel:  domain hash size = 128
NetLabel:  protocols = UNLABELED CIPSOv4
NetLabel:  unlabeled traffic allowed by default
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 98304 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
checking if image is initramfs... it is
Freeing initrd memory: 7064k freed
audit: initializing netlink socket (disabled)
audit(1194965135.393:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
ksign: Installing public key data
Loading keyring
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
rtc: IRQ 8 is not free.
Non-volatile memory driver v1.2
Linux agpgart interface v0.102 (c) Dave Jones
RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
input: Macintosh mouse button emulation as /class/input/input0
Xen virtual console successfully installed as xvc0
Event-channel device installed.
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
PNP: No PS/2 controller found. Probing ports directly.
i8042.c: No controller found.
mice: PS/2 mouse device common for all mice
TCP bic registered
Initializing XFRM netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
XENBUS: Device with no driver: device/vbd/2049
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
Freeing unused kernel memory: 188k freed
Write protecting the kernel read-only data: 795k
Red Hat nash version 6.0.19 starting
Mounting proc filesystem
Mounting sysfs filesystem
Creating /dev
Creating initial device nodes
Setting up hotplug.
Creating block device nodes.
Loading ehci-hcd.ko module
Loading ohci-hcd.ko module
Loading uhci-hcd.ko module
USB Universal Host Controller Interface driver v3.0
Loading mbcache.ko module
Loading jbd.ko module
Loading ext3.ko module
Loading scsi_mod.ko module
SCSI subsystem initialized
Loading sd_mod.ko module
Loading libata.ko module
Loading ata_piix.ko module
Waiting for driver initialization.
Loading ata_generic.ko module
Loading BusLogic.ko module
Creating root device.
Mounting root filesystem.
mount: could not find filesystem '/dev/root'
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running init.
unmounting old /dev
unmounting old /proc
unmounting old /sys
switchroot: mount failed: No such file or directory
Booting has failed.

---End of boot---

---begin of fstab (domU)---

# cat /mnt/etc/fstab
/dev/sda1                 /                       ext3    defaults        1 1

---end of file---


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