This is probably an issue on the AP's side, since suspending and resuming here works perfectly, and I so happen to have the exact same device in one system. Maybe this is an issue with resuming once the DHCP lease has run out? How long was your system in suspend for when it fails to reconnect?
** Changed in: network-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/749397 Title: Wireless network fails to reconnect after suspend (Natty Beta 1) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs