Bug#487691: user-setup: endless loop after entering empty root passwords
On Monday 28 July 2008, Jérémy Bobbio wrote:
> > The following sequence (at medium priority) will result in an
> > apparent loop:
> > 1 Allow root -> yes
> > 2 Root password -> empty
> > 3 Confirm passwd -> empty
> > 4 Error dialog -> continue
> > 5 Back to 1: Allow root -> go back
> >
> > This should result in the menu being displayed, but does result in a
> > loop:
> > 4 Error dialog -> continue
> > 5 Back to 1: Allow root -> go back
> >
> > It's possible to break out of the loop by using go back instead of
> > continue, but that's not obvious.
> >
> > This may well be a cdebconf error instead of an error in user-setup.
> > Possibly the queue is not cleared correctly/completely.
> > A cdebconf trace is probably needed here.
>
> debconf receives:
> INPUT critical user-setup/password-empty
> INPUT low passwd/shadow
> INPUT medium passwd/root-login
> GO
>
> So actually, the behaviour of the "Go back" button is right for the
> newt frontend according to the questions asked.
This analysis looks incomplete to me and the part you show here is out of
context, so impossible to draw conclusions from. I still don't see how
this explains why you'd get the error dialog displayed *again* after
choosing <go back> from the "Allow root" question. And I also still don't
see if this is a state machine error or a cdebconf issue.
An attachment with the full syslog including 'set -x' output *and* debconf
debugging, or at least for the relevant part from the start of user-setup
would have been helpful.
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