The client OS appears to be wedging at precisely the time of a DHCP refresh. I came in this morning at 10:00am and found my desktop wedged with the clock stuck at 6:01am. From the syslog:
Jun 29 06:01:04 carina kernel: [70343.412331] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server 192.168.0.2. Jun 29 06:01:09 carina kernel: [70348.408657] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server 192.168.0.2. Jun 29 06:01:14 carina dhclient: DHCPREQUEST of 192.168.0.59 on eth0 to 192.168.0.2 port 67 Jun 29 06:01:14 carina dhclient: DHCPACK of 192.168.0.59 from 192.168.0.2 Jun 29 06:01:14 carina dhclient: bound to 192.168.0.59 -- renewal in 15298 seconds. Jun 29 06:01:14 carina kernel: [70353.404947] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server 192.168.0.2. Jun 29 06:01:19 carina kernel: [70358.401192] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server 192.168.0.2. Jun 29 06:01:24 carina kernel: [70363.397718] Error: state manager encountered RPCSEC_GSS session expired against NFSv4 server 192.168.0.2. -- 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