Darren's description seems accurate to me. I also see the wmaster0 interface when booting with 2.6.20.8, though I can't confirm that's what causes the v4 problems since I can't use v4 firmware.
bug 84917 should take care of the the bcm43xx-fwcutter problem. Issues with bcm43xx and various firmware are in the kernel itself. -- 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
