AFAIK the hard lock is only due to a kernel bug and not because of the firmware. If V4 firmware was unsupported it just wouldn't work rather than lock the whole system. Nothing should lock the system.
-- Broadcom bcm43xx broken with 2.6.20.8 kernel https://launchpad.net/bugs/85099 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
