[Qemu-devel] the problem of booting linux kernel from NFS

[new bee]

Hi,All:

I want to boot kernel from NFS, so I compile a kernel supported  NFS & TUN/TAP device
and change the /etc/qemu-ifup like this:

#!/bin/sh
sudo -p "Password for $0:" /sbin/ifconfig $1 
192.168.15.1

when I boot the new kernel, there is the message :
IP-Config: No network device available
Looking up port of RPC 100003/2 on 192.168.15.1

and the kernel cannot mount the root fs.but the kernel has the network device driver.

What is the reason? and What should I solve it?

the command is :
qemu -net nic -net tap -kernel
/usr/src/linux/arch/i386/boot/bzImage  -hda /dev/zero  -append
"ip=192.168.15.110  root=/dev/nfs
nfsroot=192.168.15.1:/scratchbox/users/newbee/targets/ambition"

Thanks

Regards,
HanLiang



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