[PlanetCCRMA] MC-808 in Jack - Not recognized

Sean Beeson seanbeeson at gmail.com
Wed Jun 24 10:20:09 PDT 2009

Hi, NexxuSix.

I Think you are describing the exact same thing that is happening to me when
I try to use the Windows editor for the Korg X50. It also has a special
driver that used to not install, but after the last wine updates came down
the installer didn't  error out. However, the Editor doesn't find the X50
plugged in through a USB port still. It looks to run ok, but then locks up
and it must be because it can't find it as a device as you describe. It
works find through the seq midi driver as well as just something to through
midi data at, however. Now, that you have helped me see what is going on
here with another external USB device that uses a special USB driver it
might be good for both of use to report this on Wine's sight as a bug
report. I noticed in the Wine Configuration ALSA has midi and wave ports,
but Jack only has wave ports. Do you get any deferent behavior if you do or
don't use Driver Emulation?

Very good question you have. I hope someone has some insight into it.


On Tue, Jun 23, 2009 at 6:44 PM, Nexxus Six <nexxusix at yahoo.com> wrote:

> Greetings Fernando and all,
> I just recently acquired a Roland MC-808, and was trying to get it to work
> under Linux. The MC-808 needs a software editor for full functionality. The
> MC-808 editor works under WINE. However, the the midi drivers Roland has
> won't install or work under Linux / WINE.
> I have installed the entire setup in Windows XP, in order to understand
> what is going on with the drivers, and it appears the the Roland midi
> drivers set up the MC-808 as a virtual hardware device that the editor can
> use as an "input / output port".
> I have tried to use JACK and "see" the MC-808, but nothing shows up. I can
> confirm that the MC-808 is connected to port 4 on my laptop as a USB device,
> but that about all.
> The editor will "see" JACK midi ports when using the Seq midi driver, but I
> think the problem is, that there is no association between the USB device
> (MC-808) and JACK midi ports.
> Is there a way to get JACK to "understand" that the USB device on port X
> (port 4 in my case) is a MIDI device? If I could do that, then I think I
> could get the editor communicating with the MC-808.
> Suggestions? I did find an interesting link, but I don't know if this would
> work:
> http://homepage3.nifty.com/StudioBreeze/software/usbmidi-e.html
> Cheers,
> NexxuSix
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> PlanetCCRMA at ccrma.stanford.edu
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