Dear Sir,
i'm trying to install qemu in a debian linux system , ubuntu , and when
i finished from installation and trying to run the qemu more error be
found as follow :
(qemu) Uncompressing
Linux..........................................................................
done, booting the kernel.
Linux version 2.6.17-rc3 ([EMAIL PROTECTED]) (gcc version 4.1.0 (CodeSourcery
ARM)) #53 Thu May 4 15:05:18 BST 2006
CPU: ARM926EJ-Sid(wb) [41069265] revision 5 (ARMv5TEJ)
Machine: ARM-IntegratorCP
Memory policy: ECC disabled, Data cache writeback
CPU0: D VIVT write-through cache
CPU0: I cache: 4096 bytes, associativity 4, 32 byte lines, 32 sets
CPU0: D cache: 65536 bytes, associativity 4, 32 byte lines, 512 sets
Built 1 zonelists
Kernel command line: console=ttyAMA0 root= /dev/nfs
nfsroot=10.1.6.1:/nfs/share/arm,rsize=8192,wsize=8192,hard,intr,tcp,nolock
ip=10.1.6.50::10.1.6.1:255.255.255.0:arm.home:eth0
PID hash table entries: 2048 (order: 11, 8192 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 256MB = 256MB total
Memory: 257280KB available (1928K code, 388K data, 104K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
NetWinder Floating Point Emulator V0.97 (double precision)
Installing knfsd (copyright (C) 1996 [EMAIL PROTECTED]).
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
CLCD: Integrator/CP hardware, VGA display
Clock CLCDCLK: setting VCO reg params: S=1 R=39 V=35
Console: switching to colour frame buffer device 80x30
Serial: AMBA PL011 UART driver
mb:16: ttyAMA0 at MMIO 0x16000000 (irq = 1) is a AMBA/PL011
mb:17: ttyAMA1 at MMIO 0x17000000 (irq = 2) is a AMBA/PL011
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
loop: loaded (max 8 devices)
nbd: registered device at major 43
smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <[EMAIL PROTECTED]>
eth0: SMC91C11xFD (rev 1) at d0816000 IRQ 27 [nowait]
eth0: Ethernet addr: 52:54:00:12:34:56
mice: PS/2 mouse device common for all mice
Green LED off
input: AT Raw Set 2 keyboard as /class/input/input0
input: ImExPS/2 Generic Explorer Mouse as /class/input/input1
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 8192 bind 4096)
TCP reno registered
IPv4 over IPv4 tunneling driver
GRE over IPv4 tunneling driver
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
802.1Q VLAN Support v1.8 Ben Greear <[EMAIL PROTECTED]>
All bugs added by David S. Miller <[EMAIL PROTECTED]>
VFP support v0.3: implementor 41 architecture 1 part 10 variant 9 rev 0
eth0: link up
IP-Config: Complete:
device=eth0, addr=10.1.6.50, mask=255.255.255.0, gw=10.1.6.1,
host=arm, domain=, nis-domain=home,
bootserver=255.255.255.255, rootserver=10.1.6.1, rootpath=
Looking up port of RPC 100003/2 on 10.1.6.1
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 10.1.6.1
Root-NFS: Unable to get mountd port number from server, using default
Root-NFS: Server returned error -5 while mounting /nfs/share/arm
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "<NULL>" 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)
and i don't know what is the reason and i don't know what the line root
=boot option
this is the script which i run
#!/bin/sh
console="ttyAMA0" # serial console
nfsserver="10.1.6.1" # address of NFS server
nfsdir="/nfs/share/arm" # exported share where debian/arm is installed
address="10.1.6.50" # address for guest server
gateway="10.1.6.1" # default gateway
netmask="255.255.255.0" # subnet mask
hostname="arm.home" # hostname for guest server
device="eth0" # interface that guest server will use
mem=256 # memory for guest server in Mb
tap="/var/run/vde/tap0.ctl" # vde tap socket
kernel="/usr/local/etc/images/zimage.arm" # arm kernel
nfsopts="rsize=8192,wsize=8192,hard,intr,tcp,nolock" # nfs options
consoleopt="console=$console"
nfsrootopt="nfsroot=$nfsserver:$nfsdir,$nfsopts"
ipopt="ip=$address::$gateway:$netmask:$hostname:$device"
init=""
if [ "x$1" == "xsingle" ]
then
init="init=/bin/bash"
fi
vdeq qemu-system-arm -sock $tap -m $mem \
-kernel $kernel -nographic \
-append "$consoleopt root= /dev/nfs $nfsrootopt $ipopt $init"
and i don't know this line root = /dev/nfs , where this directory is
empty
thanks for helping me
i hope to reply me at this mail [EMAIL PROTECTED]
or at [EMAIL PROTECTED]
Hamed
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