Re: [Xen-devel] Help with the migration to XEN-4.1 please

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2011-09-14 at 10:05 -0400, Flavio wrote:

> xen be core: xen be core: can't open gnttab device
> can't open gnttab device

This is probably the issue. You need /dev/xen/gntdev, I think you need
to enable CONFIG_XEN_GNTDEV.

> > The file:/mnt/data/xen/vmstore/gentoo-10.0/gentoo-10.0.x86-64.img (and
> > the other one) is interesting.
> As you see I use loop files for the root filesystems.

That's the thing -- you aren't, you are using img files. Under xend
these would be setup as loop devices for you but under xl you insteasd
get a userspace block backend (tap if it is available, qdisk from
qemu-d, if not).

Ian.


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