Package: gpsd
Version: 2.33-4

gpsd configures udev (and hotplug) to grab hold of the tty created
when a pl2303 device (several vendor / product ID combinations) is
attached to the system.

This is not quite right, although some gps devices incorporate pl2303
the pl2303 is also used in generic usb<->serial adapters which may be
supporting other types of devices.

gpsd accessing the tty of non-gps devices can cause incompatibility.
gpsd must be killed and device may need to be reset.

easy fix is to comment out the lines in /etc/udev/gpsd.rules (or 
/etc/hotplug/usb/gpsd.usermap presumably), but this breaks gpsd 
loading when a legitimate gps device with a pl2303 is attached.

rambling thoughts:

Difficult problem to solve, since the order the devices are attached
seems to determine the device minor number.  Perhaps there is a way
to figure out what's on the other end of the pl2303.  Or just deal
with it not loading and let the user or an interactive subsystem
intercede.


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