I've the same problem on a just installed ubuntu. I took notice that this issue arose only when my wifi router configured in a protected mode (WPA-PSK/WPA2-PSK, TKIP+AES). In an open mode wifi is OK. Hope this notice will helpful.
-- NetworkManager wrongly releases DHCP IP https://bugs.launchpad.net/bugs/105251 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs