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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>I agree with you. I’m having the same problem with BRLTTY 6.5, and 6.4. I found that the </span>sys_admin, cap_sys_tty_config, and cap_mknod have not been granted. If I tried the command brltty-setcaps, I error that the command is not found. Here is my output when I look at BRLTTY –version:<span style='mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal>BRLTTY 6.5 rev BRLTTY-6.5 [https://brltty.app/]<o:p></o:p></p><p class=MsoNormal>brltty: Log Level: none<o:p></o:p></p><p class=MsoNormal>brltty: Messages Locale: en_US.UTF-8<o:p></o:p></p><p class=MsoNormal>brltty: Messages Domain: brltty<o:p></o:p></p><p class=MsoNormal>brltty: Messages Directory: /usr/share/locale<o:p></o:p></p><p class=MsoNormal>brltty: Autospeak Threshold: none<o:p></o:p></p><p class=MsoNormal>brltty: Privilege Parameter: path=<o:p></o:p></p><p class=MsoNormal>brltty: Privilege Parameter: scfmode=<o:p></o:p></p><p class=MsoNormal>brltty: Privilege Parameter: shell=<o:p></o:p></p><p class=MsoNormal>brltty: Privilege Parameter: user=<o:p></o:p></p><p class=MsoNormal>brltty: can't isolate namespaces<o:p></o:p></p><p class=MsoNormal>brltty: executing as the invoking user: paul<o:p></o:p></p><p class=MsoNormal>brltty: can't set supplementary groups<o:p></o:p></p><p class=MsoNormal>brltty: group not joined: 0(root)<o:p></o:p></p><p class=MsoNormal>brltty: group not joined: 5(tty)<o:p></o:p></p><p class=MsoNormal>brltty: group not joined: 20(dialout)<o:p></o:p></p><p class=MsoNormal>brltty: group not joined: 29(audio)<o:p></o:p></p><p class=MsoNormal>brltty: group not joined: 102(input)<o:p></o:p></p><p class=MsoNormal>brltty: required capability not granted: cap_sys_admin (for injecting input characters typed on a braille device)<o:p></o:p></p><p class=MsoNormal>brltty: required capability not granted: cap_sys_tty_config (for playing alert tunes via the built-in PC speaker)<o:p></o:p></p><p class=MsoNormal>brltty: required capability not granted: cap_mknod (for creating needed but missing special device files)<o:p></o:p></p><p class=MsoNormal>brltty: Copyright © 1995-2022 by The BRLTTY Developers<o:p></o:p></p><p class=MsoNormal>brltty: BrlAPI Server: release 0.8.4<o:p></o:p></p><p class=MsoNormal>brltty: Copyright (C) 2002-2022 by Sébastien Hinderer <a href="mailto:Sebastien.Hinderer@ens-lyon.org">Sebastien.Hinderer@ens-lyon.org</a>, Samuel Thibault <samuel.thibault@ens-lyon.org<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Paul<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> BRLTTY <brltty-bounces@brltty.app> <b>On Behalf Of </b>payman shaykhmehdi<br><b>Sent:</b> Monday, August 21, 2023 1:16 PM<br><b>To:</b> Informal discussion between users and developers of BRLTTY. <BRLTTY@brltty.app><br><b>Subject:</b> [BRLTTY] xbrlapi can't read keys from brlapi<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I've compiled brltty 6.6 in ubuntu 20.04.6 LTS. Braille output in X windows and graphical apps works great.<o:p></o:p></p><div><p class=MsoNormal> But the problem is with braille input. It seems that xbrlapi can not read keys from brlapi connection.<o:p></o:p></p></div><div><p class=MsoNormal>I think that it is a permissions issue, due to usb device permission, I'm running brltty with root permission and running xbrlapi with root privileges doesn't make any difference.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Also these logs from brltty doesn't look good :<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><p class=MsoNormal>brltty: can't isolate namespaces<br>brltty: can't set supplementary groups<br>brltty: group not joined: 5(tty)<br>brltty: group not joined: 20(dialout)<br>brltty: group not joined: 29(audio)<br>brltty: group not joined: 106(input)<br>brltty: group not joined: 115(pulse-access)<o:p></o:p></p></blockquote></div></div></body></html>