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xen-devel
Re: [Xen-devel] xenU wont boot, cannot open root device
> Maurice Meeden wrote:
> > I am trying to replace uml with xen, but I cant get the unpreviliged
> Domains
> > booting..
> > Ive tested a cuple of filesystems in a file (ext3 or xfs formatted) and
> Ive also
> > tried the ttylinux-xen image. But I always get this error:
> > VFS: Cannot open root device "hda1" or unknown-block(3,1)
> > Please append a correct "root=" boot option
> > Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(3,1)
>
> > Ive no ideas what else I could try, can somebody give me an hint please?
>
> Are you using the prebuilt unprivileged-domain kernel image? If so, the
> one in 2.0.1 at least (maybe others, not sure) has devfs support
> enabled. This breaks things. I suggest you rebuild your domU kernel
> _without_ devfs support, and it should work correctly. I had this same
> problem when I began playing with Xen, but after rebuilding the kernel
> as I mentioned, it all worked correctly.
Thank you very much, it works now.
Ive thought its enough to add devfs=nomount to the kernel parameters, but
you are right, CONFIG_DEVFS_FS must be unset.
Merry Xmas, Maurice
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