Also make sure you have sysfs compiled in the kernel.

On Tue, Jul 7, 2009 at 12:48 PM, Mike McCarty <[email protected]>wrote:

> khaled gouaich wrote:
> > Hi all,
> > I have a problem with bootig my lfs-6.4, here the out put :
> >
> > -VFS: cannot open root device "hda3" or unknown-block (2-0)
> > Please append a correct "root="; boot option ......
> > kernel panic-not syncing : VFS :unable to mount root fs on unknown-block
> (2,0)
>
> The kernel is looking for a file system to mount, and can't find
> it.
>
> The most likely cause for this is not building drivers compatible
> with your actual disc interface hardware into the kernel. Boot your
> host system, and use lspci or something similar to find out what your
> hardware chips are (or look inside your machine) and then check
> your kernel configuration and make sure you include drivers for
> those chips, and build them in (not make them loadable modules).
>
> Another possibility is that you don't have the file system driver
> built in.
>
> [...]
>
> Mike
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