Problem booting kernel on EP405

[David Gibson]

On Tue, May 27, 2003 at 11:31:28AM -0500, Mark Hatle wrote:
>
> Phill Treddenick wrote:
> >Hi,
> >  I am trying to run Monta Vista Linux PE 2.1 on an EP405 with Solaris 2.7
> >  as
> >the host.  When I boot the kernel on the EP405 though, I get a couple of
> >boot
> >error messages.  The kernel continues booting however and gets to a login
> >prompt, if I try to login though it fails.  Can anyone provide me with
> >information about the errors I'm getting.  Specifically, the "modprobe:
> >modprobe: Can't locate module char-major-4" and the "mknod: `/dev/ptmx':
> >Operation not permitted" errors.  I would like to know where I would find
> >the
> >char-major-4 module or why the kernel can't find it.  Here are the boot
> >messages
> >and a failed login attempt. Thanks guys.
>
> You can safely ignore the modprobe message.. it's not an error bug really a
> warning. Now for the other issue.. the mknod error and the unable to
> login.. See
> below:
>
> >IP-Config: Complete:
> >      device=eth0, addr=128.138.189.65, mask=255.255.255.0,
> >      gw=255.255.255.255,
> >     host=sme, domain=, nis-domain=colorado.edu,
> >     bootserver=128.138.189.51, rootserver=128.138.189.51, rootpath=
>
> >VFS: Mounted root (nfs filesystem).
>
> >mknod: `/dev/ptmx': Operation not permitted
>
> >login[82]: unable to change tty `/dev/console' for user `root'
> >
> >Unable to change tty /dev/console: Illegal seek
>
> The above shows that you are NFS rooted.  On your NFS root, it was unable to
> mknod /dev/ptmx.  Either you have a RO NFS export on your slowlaris box, or
> somehow you are exporting a system in which you are unable to create device
> nodes.  /dev/ptmx is required for the multi-user login to work.  It
> controls the
> PTYs.
>
> The second error if that it is unable to change the tty for /dev/console to
> root.  This again indicates that there is a problem with device nodes over
> your
> NFS mount.  Make sure the NFS mount is RW.

And make sure it doesn't have root_squash enabled.

--
David Gibson			| For every complex problem there is a
david at gibson.dropbear.id.au	| solution which is simple, neat and
				| wrong.
http://www.ozlabs.org/people/dgibson

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