what could screw up login credentials?

["Jóhann B. Guðmundsson"]

On 06/10/2013 07:43 PM, Tom Horsley wrote:
> I had a working minimal install of f19.
>
> I booted f18 on the same machine to get work done,
> and in background installed a gazillion packages
> while chrooted into the f19 partition.
>
> Now when I try to boot f19, it tells me I have
> an invalid password for every user I try to login
> as :-(.
>
> I tried chrooting in again and running passwd to
> update the passwords, but it still says invalid.
>
> Anyone know how the devil to fix this?

Try comment out the pam_loginuid line in /etc/pam.d/login to see if that 
works around this...

JBG