The only version of lorenzFM.csd that I can find calls for portmidi,  
not lsa midi.  Look at the -+rtmidi= option in that file.  Perhaps you  
need to set alsamidi?

Quoting "Yogi A. Patel" <yapatel@gatech.edu>:

> Hi -
>
> I'm running examples I found online under the real-time linux  
> documentation. I am executing "csound lorenzFM.csd" and running into  
> an error I can't find a solution for online.
>
> root@beaglebone:~/audio-prc/src/pi_bone# csound lorenzFM.csd
> 0dBFS level = 32768.0
> Csound version 6.03.2 (double samples) Jul 10 2014
> libsndfile-1.0.25
> UnifiedCSD: lorenzFM.csd
> STARTING FILE
> Creating options
> Creating orchestra
> Creating score
> Elapsed time at end of orchestra compile: real: 0.079s, CPU: 0.060s
> sorting score ...
> ... done
> Elapsed time at end of score sort: real: 0.087s, CPU: 0.080s
> --Csound version 6.03.2 (double samples) Jul 10 2014
> midi channel 1 using instr 1
> midi channel 2 using instr 1
> midi channel 3 using instr 1
> midi channel 4 using instr 1
> midi channel 5 using instr 1
> midi channel 6 using instr 1
> midi channel 7 using instr 1
> midi channel 8 using instr 1
> midi channel 9 using instr 1
> midi channel 10 using instr 1
> midi channel 11 using instr 1
> midi channel 12 using instr 1
> midi channel 13 using instr 1
> midi channel 14 using instr 1
> midi channel 15 using instr 1
> midi channel 16 using instr 1
> graphics suppressed, ascii substituted
> 0dBFS level = 1.0
> ftable 8:
> calling draw callback
> ftable 8: 512 points, scalemax 1.000
> .-'''''-._
> -' '.
> - '.
> .' -
> - .
> ' -
> . '
>
> _
> .  
> '_________________________________._____________________________________ - '  
> ' _ '. . - - - '_ ' . - ' .' -_ .' '-._____.-' error:  
> -+rtmidi='alsa': unknown module *** error opening MIDI in device: -1  
> (Unknown MIDI error) inactive allocs returned to freespace end of  
> score. overall amps: 0.00000 overall samples out of range: 0 1  
> errors in performance Elapsed time at end of performance: real:  
> 0.129s, CPU: 0.090s
> I thought the error was due to the alsa module not being installed -  
> so I installed alsa-dev and libportaudio-dev but no luck.
>
> I ran amidi -l and got the following:
>
> root@beaglebone:~/audio-prc/src/pi_bone# amidi -l
> Dir Device Name
>
> But don't know how to solve that. Looked around, but no luck. All I  
> found was some documentation saying I need to create a midi device,  
> however I'm not sure how to do that.
> Yogi
> Send bugs reports to
>         https://github.com/csound/csound/issues
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