On Mon, 26 Feb 2007, Abhishek Gaurav wrote: > I have been trying to boot a VM over NFS with the default xen-kernel that came > with FC6. However, I ran into the problems like: > VFS: Cannot open root device "nfs" or unknown-block(0,255) > Please append a correct "root=" boot option > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(0,255) You are missing drivers from the initrd. I am not sure if you can grab the ramdisk (initrd) over the network, obviously you need some network drivers first. > After some search, it looks like that the CONFIG_IP_PNP and CONFIG_ROOT_NFS > parameters need to be enabled in the kernel. Can anyone please let me know how > to go about it in the default fc6-xen system. It also looks like that I do not > have the source for the xen-enabled kernel. install the kernel-xen-devel package. Then either change the config-* files or, which is easier, you can run rpmbuild -bp which sets up the build/linux-* directory and patch everything, and then you can run make config and make bzImage yourself. Paul -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen