On Sat, Feb 23, 2013 at 11:16 AM, Johannes Kroll <jkroll@lavabit.com> wrote:

I don't know if there's such a tool. But AFAIK jack would only block
the raw MIDI device when you use "-X raw" to use the raw MIDI driver in
jack. Do you need that driver? If you don't, you can use the "seq"

to reiterate: if timing matters to you, do NOT use -X raw or -X seq.

use a2jmidid -e instead.