I tested with a 2.6.10 kernel from sid, kernel-image-2.6.10-1-686_2.6.10-4_i386.deb, to see if the airo driver worked any better with that version. This didn't help at all. The network was still broken, so I had to go back to the 2.4 kernel again. So, this problem exist in 2.6.10 too. Should the bug be reassigned?