$ csound -+rtaudio=jack -+rtmidi=alsa -odac:alsa_pcm:playback_ -M 0
midiin.csd

Gives me:

rtmidi: ALSA module enabled
rtaudio: JACK module enabled
......
Csound version 5.06 beta (float samples) Aug 12 2007
midi channel 1 using instr 1
midi channel 2 using instr 1
....
midi channel 14 using instr 1
midi channel 15 using instr 1
midi channel 16 using instr 1
0dBFS level = 32768.0
chnl 1 using instr 1
ALSA lib rawmidi.c:282:(snd_rawmidi_open_noupdate) Unknown RawMidi 0
ALSA: error opening MIDI input device
 *** error opening MIDI in device: -1 (Unknown MIDI error)
inactive allocs returned to freespace
end of score.              overall amps:      0.0      0.0
           overall samples out of range:        0        0
1 errors in performance
----------------------------------------------------

I have snd-seq-midi loaded.  PortMidi is working okay, so it's not urgent,
but does anyone know what this message means?
Running a CVS version:
Csound version 5.06 beta (float samples) Aug 12 2007
libsndfile-1.0.17

-Chuckk
-- 
http://www.badmuthahubbard.com