This bug seems to strike me as well, but without LDAP being involved. After migrating from 10.04 to 11.04 the same setup (kerberos, NFS4) leads to frozen machines in the morning.
In my case the bug arose pretty exactly 10m before a DHCP request. Don't know if there are linked: Jul 1 04:17:01 pcandreas2 CRON[8863]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 1 04:18:42 pcandreas2 kernel: [76984.004995] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server someserver. Jul 1 04:18:47 pcandreas2 kernel: [76989.015060] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server someserver. [...] Jul 1 04:28:33 pcandreas2 kernel: [77575.185114] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server someserver. Jul 1 04:28:37 pcandreas2 dhclient: DHCPREQUEST of 10.0.1.42 on eth0 to 10.0.0.2 port 67 Jul 1 04:28:37 pcandreas2 dhclient: DHCPACK of 10.0.1.42 from 10.0.0.2 Jul 1 04:28:37 pcandreas2 dhclient: bound to 10.0.1.42 -- renewal in 37405 seconds. Jul 1 04:28:38 pcandreas2 kernel: [77580.194966] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server someserver. [...] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/794112 Title: Kerberos + LDAP + NFSv4 on Natty - Unable to recover unattended client To manage notifications about this bug go to: https://bugs.launchpad.net/kerberos/+bug/794112/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
