In message <20050602162552.CE5F914404@tiamat.goathill.org>, MLH writes:
>> 
>> Could you compile a kernel with USB_DEBUG?
>> Next time the mouse dies, break into DDB and
>> set usbdebug=5, umsdebug=5 and see if it says
>> anything when you wiggle the mouse, or unplug it.
>> 
>> 	-- Lennart
>
>Interesting results. Note that I am using all Logitech mice, both
>ps2 and USB. The USB mice I use with and without the usb->ps2
>adaptor. I have not been able to regain the mouse cursor by toggling
>console screens lately. Results:
>
>1) with setting usbdebug=5, umsdebug=5, I have never had a mouse
>lockup.
>
That sounds a lot like a race condition.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb