I have exactly the same problem on Ubuntu Feisty. I my case, also I get messages during shutdown complaining about CIFS command timeouts (CIFS shares are mounted on bootup from /etc/fstab).
I can also confirm that after removing the network-manager package the problem completely disappears.
I have exactly the same problem on Ubuntu Feisty. I my case, also I get messages during shutdown complaining about CIFS command timeouts (CIFS shares are mounted on bootup from /etc/fstab).
I can also confirm that after removing the network-manager package the problem completely disappears.