And I can answer the above question (forgive the syntax it's from memory, but the text is correct). After it stops working again (after the unblock suggested by M Garrett), rfkill list shows something like this:
0: hp-wifi Hard blocked: yes Soft blocked: no 1: phy0 Hard blocked: no Soft blocked: no And yes, the device number shown for phy0 changes from 4 to 1 after working, it is not a typing error. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/816145 Title: Atheros AR5001 wireless card "wireless is disabled by hardware switch" To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/816145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs