You should file a bug in Ubuntu, specially if downgrading to the previous package fixes the problem for you.

On Dec 18, 2017 18:10, "Jay McCanta" <> wrote:
After an update to Ubuntu Xenial, sssd_pam always fails with a system error(4) error.

Dec 18 20:07:22 sv5cismfgcr01 sshd[27263]: pam_sss(sshd:auth): authentication success; logname= uid=0 euid=0 tty=ssh ruser= rhost= user=mccanta
Dec 18 20:07:22 sv5cismfgcr01 sshd[27263]: pam_sss(sshd:account): Access denied for user mccanta: 4 (System error)

I have debug_level 10 logs I can send.  Didn't want to post thos to the mailing list.


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