[uml-user] kernel panic

[webby <we...@fi...>]

hello, I got the following error when trying to ./linux 
kernel 2.6.4 
Checking for the skas3 patch in the host...not found
Checking for /proc/mm...not found
tracing thread pid = 6073
Linux version 2.6.4-1um (root@slack) (gcc version 3.2.3) #1 Wed Apr 7 20:44:09 
AST 2004
On node 0 totalpages: 8192
  DMA zone: 8192 pages, LIFO batch:2
  Normal zone: 0 pages, LIFO batch:1
  HighMem zone: 0 pages, LIFO batch:1
Built 1 zonelists
Kernel command line: root=98:0
PID hash table entries: 16 (order 4: 128 bytes)
Memory: 28960k available
Calibrating delay loop... 812.64 BogoMIPS
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Checking for host processor cmov support...Yes
Checking for host processor xmm support...No
Checking that ptrace can change system call numbers...OK
openpty failed, errno = 1
openpty failed, errno = 1
Checking for /dev/anon on the host...Not available (open failed with errno 2)
POSIX conformance testing by UNIFIX
NET: Registered protocol family 16
mconsole (version 2) initialized on /root/.uml/Q0XWm4/mconsole
UML Audio Relay (host dsp = /dev/sound/dsp, host mixer = /dev/sound/mixer)
VFS: Disk quotas dquot_6.5.1
devfs: 2004-01-31 Richard Gooch (rg...@at...)
devfs: boot_options: 0x1
JFFS version 1.0, (C) 1999, 2000  Axis Communications AB
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
Using anticipatory io scheduler
nbd: registered device at major 43
PPP generic driver version 2.4.2
SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
blkmtd: version $Revision: 1.5 $
blkmtd: error: missing `device' name

NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 2048 bind 4096)
NET: Registered protocol family 1
NET: Registered protocol family 17
Initializing software serial port version 1
 /dev/ubd/disc0: p1
Initializing stdio console driver
JFFS: Trying to mount a non-mtd device.
Kernel panic: VFS: Unable to mount root fs on ubda
 <6>SysRq : Show Regs

EIP: 0073:[<a01a5aad>] CPU: 0 Not tainted ESP: 007b:a1fe67ac EFLAGS: 00200292
    Not tainted
EAX: 00000000 EBX: 000017c1 ECX: 0000000a EDX: ffffffff
ESI: a001d5e0 EDI: 00000000 EBP: a1fe67d4 DS: 007b ES: 007b
Call Trace: [<a011f64e>] [<a001c25f>] [<a008b338>] [<a0045336>] [<a00372ed>] 
   [<a0037388>] [<a0002fe1>] [<a000e580>] [<a000325f>] [<a00032ba>] 
[<a000e580>] 
   [<a000e5ad>] [<a000e580>] [<a001680a>] [<a001948d>] [<a000e580>] 
[<a00167ef>] 
   [<a00194ed>] [<a000e580>] [<a001d5a2>] [<a000e580>] [<a001d555>] 
[<a001d5e0>] 
   [<a018bdf8>] [<a001d5e0>] [<a01a5aad>] 

what must I do?


regards