I have this same problem only if i start my laptop (V6j) without network cable. At this point that rmmod/modprobe even doesnt work.
Only fix what i have found is just restart my laptop with network cable connected. After this cable unplug/plug works fine.
$ uname -a Linux andromeda 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 GNU/Linux
I have this same problem only if i start my laptop (V6j) without network cable. At this point that rmmod/modprobe even doesnt work.
Only fix what i have found is just restart my laptop with network cable connected. After this cable unplug/plug works fine.
$ uname -a
Linux andromeda 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 GNU/Linux