Re: [Xen-users] Anyone use xen 4.x root on nfsv4?

[eaglewatcher <snak-707@xxxxxxx>]

I checked the .config file of Dom0 kernel source, I found 

CONFIG_XEN_NETDEV_FRONTEND=m
CONFIG_XEN_NETDEV_BACKEND=m

It seems should be =y,so I modify to =y, and rebuild the kernel.
When I start DomU again, get the error message below:

[    0.472203] IP-Config: Complete:
[    0.472207]      device=eth0, addr=10.0.1.183, mask=255.255.255.0,
gw=10.0.1.254,
[    0.472215]      host=nfsclient, domain=, nis-domain=(none),
[    0.472219]      bootserver=10.0.1.198, rootserver=10.0.1.198, rootpath=
[    0.472524] Freeing unused kernel memory: 936k freed
[    0.472660] Write protecting the kernel read-only data: 12288k
[    0.476451] Freeing unused kernel memory: 900k freed
[    0.476884] Freeing unused kernel memory: 1096k freed
Loading, please wait...
Begin: Loading essential drivers ... done.
[    0.506404] udevd[82]: starting version 173
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ...
done.
Gave up waiting for root device.  Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
   - Check root= (did the system wait for the right device?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT!  /dev/nfs does not exist.  Dropping to a shell!


BusyBox v1.18.4 (Ubuntu 1:1.18.4-2ubuntu2) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs) cat /proc/cmdline
root=/dev/nfs
ip=10.0.1.183:10.0.1.198:10.0.1.254:255.255.255.0:nfsclient:eth0:off 
(initramfs) 


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