It looks like Ubuntu switched from the regular bcm43xx driver to the DeviceScape driver in the last release. This breaks compatibility for us who have older versions of the cards.
https://lists.berlios.de/pipermail/bcm43xx-dev/2007-February/004005.html -- 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
