The bug is that the driver was changed from prism54 to islsm_pci, which is quite broken. I was able to fix this by blacklisting the islsm_pci driver and adding my card's pci-id back to the prism54 driver. See bug 38278 for the specifics.
-- Wifi card has stopped working https://launchpad.net/bugs/46054 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
