I'm not sure where all the AirPortUserClients come from, but when I ran "ioreg | grep AirPort" right after seeing your message, (I had the menu extra up then), I saw three on my 500MHz G3 iBook (10.2.6): % ioreg | grep AirPort | | | | +-o AirPortDriver <class AirPortDriver> | | | | +-o AirPortUserClient <class AirPortUserClient> | | | | +-o AirPortUserClient <class AirPortUserClient> | | | | +-o AirPortUserClient <class AirPortUserClient> Wondering what would happen if I turned off the menu extra, I fired up Internet Connect to un-check the check box, and then (with Internet Connect still running) saw two: ioreg | grep AirPort | | | | +-o AirPortDriver <class AirPortDriver> | | | | +-o AirPortUserClient <class AirPortUserClient> | | | | +-o AirPortUserClient <class AirPortUserClient> Quitting Internet Connect, I then saw only one. Starting it up again, I saw two again. So, I played around with it a bit more. And at different times saw one, two, or three. I don't fully understand it, but it seems that the AirPortDriver has varying numbers of AirPortUserClient(s) depending upon: whether or not packets are in transit on the en1 inteface whether or not the menu extra is there (and maybe on whether it is actually checking the signal level) whether or not Internet Connect is running (it seems to check the signal level more often than the menu extra) ... but the correlation between those is poor. Maybe some of those AirPortUserClient instances come and go depending upon activity (or lack of it) of the device itself (en1), the menu extra, and/or Internet Connect, perhaps? On Wednesday, Jul 16, 2003, at 20:44 Pacific/Honolulu, Michael Rossberg wrote: > hi everybody, > > i found a cause for this "bug", kismac not loading the driver. it seems > that the airport driver is indeed in use on a couple of systems. > however i was unable to figure out, why. you can easily identify such > systems, by executing "ioreg | grep AirPort" (case sensitive). if there > are two AirPortUserClients, then you such a system. now the question > is, what could that be? i know one is the menu extra, which will be > killed when you start scanning with kismac, but i could not figure out > what the other one is for. i would be glad if anyone could help me with > that.