This sounds really bad. Has this device ever worked when hot-
plugged in? Did it change behavior with a specific OS release
(10.4.4?) If so be sure to report this problem using http://
bugreporter.apple.com
From your description and the logs, it seems like the device might
be disconnecting when it senses a USB Bus Reset condition. Someone
will need to look at this device on a USB Bus Analyzer to tell for
sure.
Some more information: I have exactly the same behaviour on my
PowerBook 15".
The fingerprint sensor is NOT being disconnected when the computer
goes to sleep mode -
so it's still usable when I turn it on again.
But the sleep mode is not able to "reconnect" the device.
Thanks and Regards,
--
Andreas Pehnack
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