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Re: [fluid-dev] Problem starting Fluidsynth on a headless RPi

From: Marcus Weseloh
Subject: Re: [fluid-dev] Problem starting Fluidsynth on a headless RPi
Date: Tue, 28 Jan 2020 21:04:38 +0100

Hi George,

you can try to find out what's going on by redirecting fluidsynth output on stderr and stdout to a file. For example, to log both errors and normal output to a single file /tmp/fluidsynth.log, you can use:

/home/george/fluidsynth -s -i -m alsa_seq -o midi.autoconnect=1 -a alsa -g 4 /home/george/GeneralUser_GS_v1.471.sf2 2>&1 > /tmp/fluidsynth.log

The 2>&1 redirects stderr to stdout and > redirects stdout into a file.
Then restart your RPi and check the log file.

I have the suspicion that fluidsynth might works as expected, but that your MIDI keyboard is not yet fully registered as a MIDI device when fluidsynth starts. You can check that by issuing the following command: aconnect -l 

Issue this twice: once when you started fluidsynth via SSH and once when you had it start on boot. Then compare the outputs.


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