All the ways go to Error: (22, 'Invalid argument')

[Davidson Paulo]

Good afternoon,

I've installed Xen on a Fedora 6. The xend process are running, all
ok, but no matter what or how I try to create a new domain, I got the
useless error message "Error: (22, 'Invalid argument')".

On my last try, I've populated the directory /vm/fc5.base with a base
installation of Fedora Core 5. So, I exported that directory on NFS,
inserting the following line on /etc/exports

/vm/fc5.base    *(rw,no_root_squash)

and running exportfs -afr to update NFS server.

Afer, I created a config file on /etc/xen/fc5base with the following content:

# General
kernel = "/vm/fc5.base/boot/vmlinuz-2.6.18-1.2257.fc5xenU"
ramdisk = "/vm/fc5.base/boot/initrd-2.6.18-1.2257.fc5xenU.img"
memory = 128
root = "/dev/nfs"
nfs_server = "127.0.0.1"
nfs_root = "/vm/fc5.base"

# Network
netmask = "255.255.255.0"
gateway = "10.1.0.1"
hostname = "doutorx.niteroi.unimed"

At last, running the following command

# xm create fc5base vmid=100

I got that message error:

Error: (22, 'Invalid argument')

I have tried other ways to create a new domain from scratch, following
instrunctions on the xm man page, but, I repeat, every try result in
that error message.

Some idea?

Thanks,

Davidson Paulo

>  Good afternoon,
>
>  I've installed Xen on a Fedora 6. The xend process are running, all
>  ok, but no matter what or how I try to create a new domain, I got the
>  useless error message "Error: (22, 'Invalid argument')".
>
>  On my last try, I've populated the directory /vm/fc5.base with a base
>  installation of Fedora Core 5. So, I exported that directory on NFS,
>  inserting the following line on /etc/exports
>
>  /vm/fc5.base    *(rw,no_root_squash)
>
>  and running exportfs -afr to update NFS server.
>
>  Afer, I created a config file on /etc/xen/fc5base with the following
>  content:
>
>  # General
>  kernel = "/vm/fc5.base/boot/vmlinuz-2.6.18-1.2257.fc5xenU"
>  ramdisk = "/vm/fc5.base/boot/initrd-2.6.18-1.2257.fc5xenU.img"
>  memory = 128
>  root = "/dev/nfs"
>  nfs_server = "127.0.0.1"
>  nfs_root = "/vm/fc5.base"
>
>  # Network
>  netmask = "255.255.255.0"
>  gateway = "10.1.0.1"
>  hostname = "doutorx.niteroi.unimed"
>
>  At last, running the following command
>
>  # xm create fc5base vmid=100
>
>  I got that message error:
>
>  Error: (22, 'Invalid argument')
>
>  I have tried other ways to create a new domain from scratch, following
>  instrunctions on the xm man page, but, I repeat, every try result in
>  that error message.
>
>  Some idea?
>
>  Thanks,
>
>  Davidson Paulo
>
>  --
>  Fedora-xen mailing list
>  Fedora-xen(a)redhat.com
>  https://www.redhat.com/mailman/listinfo/fedora-xen
>  
I believe that error indicates the dom0 and domU kernels are mismatched
PAE vs. non-PAE. All of the FC6 kernels I thought were PAE enabled now. An
FC5 kernel is probably non-PAE in any case. Just use the dom0 kernel as
the domU kernel.