[mythtv-users] Ubuntu remote setup

Nathan Faust faustnathan at gmail.com
Tue Nov 29 13:39:39 UTC 2022

Hi Stephen,

Thank you for the lirc-ubuntu-20.04-install.sh script.  It helped me
restore my remote's usability after upgrading to Ubuntu 20.04.


On Tue, May 24, 2022 at 1:02 PM Stephen Worthington <
stephen_agent at jsw.gen.nz> wrote:

> On Tue, 24 May 2022 09:29:13 -0500, you wrote:
> >Hi,
> >
> >I am upgrading my mythtv setup from version .29 to .32.  I have everything
> >working except my remote.  I installed Mythbuntu CC and configured my
> >remote.  I am able to use the arrow keys and the power button sleeps the
> >machine (dont want).  Doing some reading i think my remote is emulating a
> >keyboard with ir-keytable.  when i do "ir-keytables -t" I can see all the
> >button presses.  BUT when i go into mythtv and try and program buttons
> such
> >as back, ok, or jumppoints it shows nothing.  is there a config file
> >between ir-keytables and mythtv that i am missing?  Last time i did this
> it
> >was all with LIRC should i switch back?
> >
> >using a MCE remote:
> >mitchell at mythtv:~$ sudo ir-keytable
> >Found /sys/class/rc/rc0/ with:
> >        Name: Media Center Ed. eHome Infrared Remote Transceiver
> (1934:5168)
> >        Driver: mceusb
> >        Default keymap: rc-rc6-mce
> >        Input device: /dev/input/event7
> >        LIRC device: /dev/lirc0
> >        Attached BPF protocols: Operation not supported
> >        Supported kernel protocols: lirc rc-5 rc-5-sz jvc sony nec sanyo
> >mce_kbd rc-6 sharp xmp imon rc-mm
> >        Enabled kernel protocols: lirc rc-6
> >        bus: 3, vendor/product: 1934:5168, version: 0x0001
> >        Repeat delay = 500 ms, repeat period = 125 ms
> I am guessing that you have upgraded your system as well as your
> MythTV version.  A while back, there was a major change to lirc, the
> software that runs the infrared remotes.  A lot of the lirc drivers
> where moved into the kernel and how it works was substantially changed
> to match that.  Your symptoms are what you get if lirc is not working
> and the IR driver code is sending keystrokes to the keyboard system
> instead of lirc.  Only the arrows and a few other keys (volume and
> power) will do anything as they are matching keystrokes that the
> system recognises.  All the other keycodes do not match and are
> discarded.
> So you basically need to start from scratch with your lirc
> configuration and make it work again.  On top of that, the lirc
> packages for Ubuntu since that change are broken and the Python
> programs now used to configure lirc will not work as there is a
> missing .so library file.  I have written fix scripts for the Ubuntu
> 18.04 LTS, 20.04 LTS and 21.10 versions, available on my web server.
> There are also some other problems that are fixed by the scripts.
> http://www.jsw.gen.nz/mythtv/lirc-ubuntu-18.04-install.sh
> http://www.jsw.gen.nz/mythtv/lirc-ubuntu-20.04-install.sh
> http://www.jsw.gen.nz/mythtv/lirc-ubuntu-21.10-install.sh
> The scripts will install a working lirc for you.  It is probably best
> to uninstall the existing lirc package first, so you get a clean lirc
> install.  Make sure you keep copies of your old working lirc
> configuration for reference.
> There are some threads on this mailing list that should tell you all
> you need to know.  This wiki page tells you where to find the
> searchable archive for the mailing list, and searching it for the
> above script file names should find the relevant threads:
> https://www.mythtv.org/wiki/Mailing_List
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