LMMS / LMMS/lmms

MIDI Settings will not save Ubuntu/Linux

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Dominant language
C++
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Description

I can plug my MIDI controller in and set up the instruments, and controls with the LMMS interface, but when I unplug the controller and plug it back in, all the settings are locked up, and the MIDI controller needs to be reprogrammed before I can use it again.

Equipment and versions of programs used:
Acer Aspire laptop

Ubuntu 17.14
Ubuntu Studio 16.04

LMMS 1.2.0
LMMS 1.1.3
MIDI settings in tab set to ALSA

AKAI MPK 249 Controller
Novation Launchkey MK2 Controller

I have also encountered other musicians with the same issue but I'm unaware of what equipment they are using.
I've bee discussing this issue in the LMMS forums as well:
https://lmms.io/forum/viewtopic.php?f=7&t=27174

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source file or test is identified. Start by reproducing the controller disconnect and reconnect behavior with LMMS 1.2.0 or 1.1.3 on Ubuntu using ALSA and one of the listed MIDI controllers; done means MIDI settings remain available after reconnecting without reprogramming.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, linux, ubuntu
Domain
audio-video-rtc, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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