Comment 1 for bug 284474

In the meantime, it can be tweaked manually as asplained here under wireless LED:

https://help.ubuntu.com/community/AspireOne#Step%203:%20Tweak%20/%20Fix

but yes, I fear this is fro madwifi. I've entered a similar bug fro my Aspire 5520, see

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/286270