[Bug 1574538] Re: BrlTTY not functioning correctly.

[Luke Yelavich]

** Changed in: brltty (Ubuntu)
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1574538

Title:
  BrlTTY not functioning correctly.

Status in brltty package in Ubuntu:
  New

Bug description:
   affects ubuntu/brltty
   subscribe ubuntu-sru
   assignee themuso

  BrlTTy in Ubuntu 16.04 is not currently functional due to some changes
  that were incorrectly introduced during development. The ystemD unit
  to start or stop BrlTTy currently does not function, and Udev does not
  currently start BrlTTY when a USB Braille display is connected.

  Impact:
  These changes only impact the BrlTTy package, and the regression potential is low, because if the systemd unit is incorrect, BrlTTy should not start at all, and by default that is what we want anyway.

  Test case:
  The first part of this test case can be tested by anyone, the second part can only really be verified by someone with a USB Braille display.
  1. Try starting the BrlTTy service using "sudo systemctl start brltty" with BrlTTY 5.3.1-2ubuntu2 installed. BrlTTy should not start, and "systemctl status brltty" should show an error in the log.
  2. Update to BrlTTY 5.3.1-2ubuntu2.1 from xenial-proposed, and try step 1 again. BrlTTy won't start, unless you change RUN_BRLTTY to yes in /etc/default/brltty, but systemctl status brltty should not show any errors.

  Hardware specific test case for USB Braille displays.
  1. Connect a USB Braille display to your computer. Nothing should happen. Disconnect your display again.
  2. Update to BrlTTY 5.3.1-2ubuntu2.1 from xenial-proposed, and re-connect your USB Braille display. BrlTTy should load, and you should see activity on your display.

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