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Description of problem:
After upgrading a fedora core 2 system to fedora core 3, the pam
nis/smb_auth login setup no longer worked. Normally, the system would
retrieve the available user accounts via NIS and then do password
authentication against a Samba server (pam_smb_auth).

---

A local login fails with the following in /var/log/messages:
Dec 14 15:32:55 infopc122 login(pam_unix)[4896]: check pass; user unknown
Dec 14 15:32:55 infopc122 login(pam_unix)[4896]: authentication
failure; logname=LOGIN uid=0 euid=0 tty=tty3 ruser= rhost=
Dec 14 15:32:55 infopc122 login[4896]: Authentication service cannot
retrieve authentication info.
Dec 14 15:32:55 infopc122 init: open(/dev/pts/0): No such file or
directory

Also note that the login does not fail with "Login incorrect", but the
message "Authentication service cannot retrieve authentication info"
appears for a short moment, after which the screen refreshes.

Another machine running fedora core 2 does work, and gives the
following log messages on login in /var/log/messages:
Dec 14 15:35:38 infopc123 login(pam_unix)[16125]: check pass; user unknown
Dec 14 15:35:38 infopc123 login(pam_unix)[16125]: authentication
failure; logname=LOGIN uid=0 euid=0 tty=tty1 ruser= rhost=
Dec 14 15:35:39 infopc123 login(pam_unix)[16125]: session opened for
user dwagelaa by LOGIN(uid=0)
Dec 14 15:35:39 infopc123  -- dwagelaa[16125]: LOGIN ON tty1 BY dwagelaa

---

An SSH login fails with the following in /var/log/messages:
Dec 14 15:28:42 infopc122 sshd(pam_unix)[4870]: check pass; user unknown
Dec 14 15:28:42 infopc122 sshd(pam_unix)[4870]: authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=infopc44.vub.ac.be

...and the following in /var/log/secure:
Dec 14 15:28:42 infopc122 sshd[4870]: Failed password for dwagelaa
from ::ffff:10.0.4.44 port 33775 ssh2

Another machine running fedora core 2 does work, and gives the
following log messages on login in /var/log/messages:
Dec 14 13:51:37 infopc123 sshd(pam_unix)[1751]: session opened for
user dwagelaa by (uid=500)

...and the following in /var/log/secure:
Dec 14 13:51:37 infopc123 sshd[1749]: pam_succeed_if: requirement "uid
< 100" not met by user "dwagelaa"
Dec 14 13:51:37 infopc123 sshd[1749]: Accepted publickey for dwagelaa
from ::ffff:10.0.4.44 port 33599 ssh2


Version-Release number of selected component (if applicable):
pam-0.77-65

How reproducible:
Always

Steps to Reproduce:
1. Log in locally, via gdm or ssh
2.
3.
    

Actual Results:  Login fails, see above for details.

Expected Results:  I should have been logged in.

Additional info: