Public bug reported:
The following issue exists only on Ubuntu 18.04
I've upgraded ubuntu from 17.10 and noticed that winbind does not work well.
90% of the time I reboot my system I'm getting PAM_AUTHINFO_UNAVAIL when trying
to log in with a domain account.
clicking login again on the login screen most of the time succeeds (so the
password is correct)
I've checked if it works if I wait 10 minutes before logging in, no success, so
it is not a timing issue.
Also I've checked if winbind is working (log in with ssh using a local account)
getent passwd xy and wbinfo -K user%pwd both work always.
Now my workaround is putting
winbind request timeout = 3
in smb.conf, since the PAM_AUTHINFO_UNAVAIL is returned about 60sec after
trying to login. This workaround solves nothing, it only makes logging in
faster. (But now it fails mostly two times, but waiting 6 seconds is better
than 60)
To me it seems like deadlock, but I was unable to track it since it
happens only on the first login. Then I would have to reboot (restarting
winbind does not trigger it twice, also removing all caches in
/run/samba does not trigger it twice)
** Affects: samba (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1764853
Title:
winbind returns PAM_AUTHINFO_UNAVAIL on first login after reboot
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