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Re: [Xen-users] VFS: insert root floppy and press ENTER

From: "Amos Shapira" <amos.shapira@xxxxxxxxx>

Date: Wed, 7 Nov 2007 11:45:01 +1100

Delivery-date: Tue, 06 Nov 2007 16:45:45 -0800

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List-id: Xen user discussion <xen-users.lists.xensource.com>

shacky

shacky83@xxxxxxxxx

Hi.

I installed Xen 3.1.0 from the sources and I compiled the xen0 kernel
with the commands:

make clean
make linux-2.6-xen0-config CONFIGMODE=menuconfig KERNELS="linux-2.6-xen0"
make linux-2.6-xen0-build
make linux-2.6-xen0-install
depmod 2.6.18-xen0
update-grub

When I boot the server choosing the "2.6.18-xen0" kernel I get this error:

Root-VFS: No NFS server available, giving up.
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Insert root floppy and press ENTER

And the server doesn't boot. If I boot with the "2.6.18-xen" kernel
created with the "make world" and "make install" commands I have no
problems.

What's the problem?

The kernel doesn't find the root file system.
Is your root file system on NFS?
Do you specify it on the kernel's command line?

Generally I'd start by comparing the kernel command line parameters in grub's menu.lst

Also - the mentioning of "update-grub" makes me suspect that this is a Debian system, if so then I'd recommend using kernel-package to build a "proper" debian package for the kernel.

Cheers,

--Amos

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