I can report the same thing happening with my Acer Aspire 5610 laptop. The ipw3945 driver fails to reconnect after resuming, even after switching the wireless off and on again.
-- ipw3945 doesn't reassociate after suspend https://launchpad.net/bugs/56421 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
