There was an issue with turnoff some months ago,
what Csound version are you using ?
Oeyvind

2008/2/29, Chuckk Hubbard <badmuthahubbard@gmail.com>:
> Hi.  I'm not sure what the problem is, but sending a turnoff message
> from this Pd patch, if there is more than one note playing, crashes
> Csound and Pd.  It happens whether I send a message to instantiate
> instrument 10 with the turnoff number as a p-field, or I set instr 10
> to run all the time and only send messages when it receives a voice
> number through chnget.
> I'm using decimal instrument numbers.  If only one voice is playing,
> it turns off fine; if two are playing, it crashes.  If I play the list
> of notes loaded in the [qlist] object, it crashes as soon as it
> reaches a noteoff.
> If the commented parts of the .csd file are uncommented and the lines
> with p4 and turnoff are commented out, then it should work with the
> chnset messages from Pd instead of the instr 10 events.
> If, instead, I comment out the line for turnoff2, and print the output
> of csoundapi~, it in fact prints the outvalue of koff *twice* each
> time I hit instr 10, even though it's set to turnoff immediately.
>
> Any ideas what could be wrong?
>
> Thanks.
> -Chuckk
>
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> http://www.badmuthahubbard.com
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