Known Issues
============

-  Ubuntu Issue

   -  Ubuntu requires fixing a bug to be able to connect to any GQ GMC
      device.
      USB devices use VID (vendor ID) and PID (Divice ID)… It is common
      for unrelated devices to use a common manufacture for their USB
      interface. The issue with Ubuntu is that it assumes ``1A86:7523``
      is a “Braille” device (for the blind) and, ironically, blindly
      treats it as such.
   -  This causes the GQ GMC device to not connect.

-  Ubuntu fix

   -  The fix is to comment out the ``udev`` rule that does this. The
      text file may be in two places.

      -  ``/usr/lib/udev/85-brltty.rules``
      -  ``/usr/lib/udev/rules.d/85-brltty.rules``

   -  Find the line below and comment it out.

      -  ``ENV{PRODUCT}=="1a86/7523/*", ENV{BRLTTY_BRAILLE_DRIVER}="bm", GOTO="brltty_usb_run"``

   -  We see Ubuntu assumes ``1A86:7523`` is a
      ``Baum [NLS eReader Zoomax (20 cells)]`` device.