Re: Hanging at shutdown with mystery "file system full" error

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Wed, Oct 21, 2015 at 06:40:56PM -0400, D'Arcy J.M. Cain wrote:
> On Wed, 21 Oct 2015 23:07:53 +0200
> "Ian D. Leroux" <idleroux%fastmail.fm@localhost> wrote:
> > As it turns out, I don't need shutdown to trigger the hang, umount is
> > enough.  Specifically,
> > 
> > umount -f /dev
> > 
> > Causes an immediate hang with the same kernel error message
> 
> Have you considered the possibility that having your devices on a
> mounted FS is just asking for trouble?  I'm not sure but I think that I
> would be surprised if I made all my devices suddenly disappear and it
> didn't hang.  Why do you have it on a mounted FS anyway?

As written, that's done automatically by init if /dev is not populated
with devices. That is a common setup for ramdisks and read-only root
installations. It must not be broken.

Joerg