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Re: Reporting MIDIServer process crashes
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Re: Reporting MIDIServer process crashes


  • Subject: Re: Reporting MIDIServer process crashes
  • From: Matt Mower <email@hidden>
  • Date: Tue, 28 Apr 2009 17:27:57 +0100

Hi Doug.

On Tue, Apr 28, 2009 at 4:13 PM, Doug Wyatt <email@hidden> wrote:
> Thanks for the reports. Two of the Logic crashes are in Kore (not surprising
> considering what you describe). The third appears to be in Logic's ReWire
> support, while quitting the app.
>

Awesome that you've been able to look over them already. The first
time I did a MIDI reset due to a stuck note I did it inside Kore. The
second time, bitten by wedging the MIDI and having to restart the OS,
I did it from Logic.

In that first instance things were so bad that just restarting Logic
and my other apps didn't bring MIDI back. When I tried to shut down
Logic it wouldn't and I had to force quit it.

I'm surprised about the Rewire thing. I only used it the once for
Ableton live. I definitely didn't have Ableton running this time.
Maybe I should just turn Rewire off altogether?

> The MIDIServer crashes are interesting; I've never seen crashes in this
> area. It's in the area of delivering output which was sent for future
> delivery. Does the problem seem to happen only when using certain "senders"?
> Not sure that Logic would exercise this code path on its own; does Kore send
> MIDI?
>

Ah, not in this case.. but my (external) sequencer application, Rytme,
does and I've been using it to drive a software instrument track in
Logic.

Rytme uses Pete Yandell's PYMIDI framework (that wraps the based
CoreMIDI stuff up in a nice Objective-C library) in both Rytme and my
previous sequencer Elysium.

Rytme is sending MIDI note on/off events and is using the CoreMIDI
future delivery feature to do so.

Is this a problem? I'd gotten the impression that it was not only okay
but an advantage of the CoreMIDI implementation.

Regards,

Matt

--
Matt Mower :: http://mattmower.com/
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References: 
 >Reporting MIDIServer process crashes (From: Matt Mower <email@hidden>)
 >Re: Reporting MIDIServer process crashes (From: Doug Wyatt <email@hidden>)

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