[Xen-users] xenU root device problem

[Landratsamt Unterallgäu - Michael Böhm <mboehm@xxxxxxxxxxxxxxxxxxx>]

Hello!

This is my Problem:

---cut---
miranda:~# xm create -c -f /etc/xen/xmtest1
Using config file "/etc/xen/xmtest1".
Started domain xmtest1, console on port 9601
************ REMOTE CONSOLE: CTRL-] TO QUIT ********
Linux version 2.6.11.10-xenU (xenod@xxxxxxxxxxxxxxxxxxxxx) (gcc version
3.3.3 20040412 (Red Hat Linux 3.3.3-7)) #1 Sun May 22 11:42:16 BST 2005
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000008000000 (usable)
128MB LOWMEM available.
DMI not present.
IRQ lockup detection disabled
Allocating PCI resources starting at 08000000 (gap: 08000000:f8000000)
Built 1 zonelists
Kernel command line:  root=/dev/sda1 ro
Initializing CPU#0
PID hash table entries: 1024 (order: 10, 16384 bytes)
Xen reported: 1808.450 MHz processor.
Using tsc for high-res timesource
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
vmalloc area: c8800000-fbff9000, maxmem 34000000
Memory: 127104k/131072k available (1630k kernel code, 3800k reserved, 412k
data, 112k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
CPU: AMD Athlon(tm) 64 Processor 3000+ stepping 00
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... disabled
NET: Registered protocol family 16
xen_mem: Initialising balloon driver.
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 4096K size 1024 blocksize
Xen virtual console successfully installed as tty
Event-channel device installed.
xen_blk: Initialising virtual block device driver
xen_net: Initialising virtual ethernet driver.
NET: Registered protocol family 2
IP: routing cache hash table of 1024 buckets, 8Kbytes
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
NET: Registered protocol family 1
NET: Registered protocol family 17
Root-NFS: No NFS server available, giving up.
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "sda1" or unknown-block(2,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(2,0)

************ REMOTE CONSOLE EXITED *****************
miranda:~#
---cut---

Configuration file:
disk = [ 'file:/var/local/xen/xmtest1/sda1,sda1,w' ]
disk = [ 'file:/var/local/xen/xmtest1/sda2,sda2,w' ]
root = "/dev/sda1 ro"

Xen and kernels are 2.0.6 prebuild binaries. I also tried to install from
source or to use hda? instead of sda? with the same results.

Any hints?

Regards,
Michael


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