[Bug 1099309] [NEW] [Quantal and Raring] Brltty native braille support doesn't work with Orca

[Attila Hammer]

Too early I happy.
Have only one problem with I unable to resolve. If I launch my machine 
with Ubuntu 12.04 system the 4.3 rev 5477 version, everithing is works 
fine. When I shutdown my system and booting with Ubuntu raring, my 
braille display is detected correct, but I see only my braille display 
the "Welcome to Orca" message and enjoi. This situation both console and 
graphic session Brltty not working right. The killall brltty and execute 
brltty command not help, reconnect my braille display is not help. If I 
restart my Raring system this situation, all works right again, all Orca 
braille outputted messages I right see, in console and graphic session 
Brltty works right.
My braille display is an Alva Satelite 570 display, the display is 
connected with USB.

Attila

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Title:
  [Quantal and Raring] Brltty native braille support doesn't work with
  Orca

Status in “brltty” package in Ubuntu:
  New

Bug description:
  Dear Developers,

  In Ubuntu Quantal and Ubuntu Raring if I enabling Orca with braille support, the Orca's debug.out file I see following traceback error message:
  BrlTTY seems to have disappeared:

  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/orca/braille.py", line 1720, in _brlAPIKeyReader
      key = _brlAPI.readKey(False)
    File "brlapi.pyx", line 535, in brlapi.Connection.readKey (brlapi.auto.c:6558)
  brlapi.OperationError: <unprintable OperationError object>

  If I remember right an oldest I opened thread with Brltty mailing
  list, this problem related the Python3 Brltty bindings.

  I attaching the Orca debug.out file.

  Attila

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: brltty 4.4-6ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-0.3-generic 3.8.0-rc3
  Uname: Linux 3.8.0-0-generic x86_64
  ApportVersion: 2.8-0ubuntu1
  Architecture: amd64
  Date: Mon Jan 14 08:15:16 2013
  InstallationDate: Installed on 2013-01-11 (2 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130111)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=hu_HU.UTF-8
   SHELL=/bin/bash
  SourcePackage: brltty
  UpgradeStatus: No upgrade log present (probably fresh install)

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