Re: [Bugme-new] [Bug 12301] New: Fingerprint reader doesn't respod after the first use

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On Mon, 29 Dec 2008, Erik Ekman wrote:

> It may be that thinkfinger and fprint uses usbfs in some bad way which
> by luck has worked so far. I have not looked at the code, nor do I
> know the usbfs details.

That seems likely.

> The tftool complains with
> ThinkFinger 0.3 (http://thinkfinger.sourceforge.net/)
> Copyright (C) 2006, 2007 Timo Hoenig <thoenig@xxxxxxx>
> 
> Initializing...Could not claim USB device.
> 
> which seem related to the dmesg errors I saw. Full strace of a failed
> tf-tool run below.

Can you get a dmesg log showing a run of tf-tool after enabling the 
usbfs_snoop module parameter for usbcore?

Alan Stern

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