It look like this is an issue with the kernel included in natty. I have replaced the kernel with linux-image-2.6.38-7-generic_2.6.38-7.39~lucid1_amd64.deb an now the connection works fine.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/736490 Title: [natty][p54usb] wifi cannot connect to the ap -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
