Midi notes hanging with Logic X

It is the cable you're describing. Do you know if it's all midi to USB cables or just something about the "bargain" ones that changed.?

Thanks for your help.

*edit: posted before additional info above was added - thanks.

AOL, thanks for the additional info.

Although the cable does work on Windows with USB 3 support so it's something particular to Apple's USB 3 implementation.

Pancenter,

Absolutely it's an OS X only issue.. Because of how USB 3 was implemented in both Apples hardware and software requiring Devs to stick to the exact method Apple outlined originally in their guidelines for USB 2 but unfortunately some Devs took "shortcuts" and didnt stick exactly to the original guidelines to both design and implementation and hence the issues some have now

Another MIDI hanging note problem here. A brand new MOTU MIDI Express XT running to a Moog Voyager. When Logic is opened and track is armed I can play from my MIDI controller, but the minute I hit the space bar to play 2 notes get stuck and I have to shut off Moog or hit panic on MOTU XT.

Here is the weird bit, the MIDI and Moog work perfect in Ableton Live 9 and Digital Performer 8! The problem only happens with Logic X.

noho,

This must be related to a different issue as I too use a MOTU EXpress XT with a Voyager and absolutely no problems here with LPX and hanging notes...

I think the stuck notes is an IOS BUG since September 10 the problem started. I own Logic Pro9 on two computers, iMAC and MacBook for Gigs. Its doing it now on Both computers...

Another Midi hanging notes here. I've tried two keyboards, two cables and my iMAC and my MACBook Pro. I am using Logic Pro 9. I've tried two of the "cheap midi' Cables that convert the USB to the 5 Pin Midi DIN plug, and have also tried the regular Usb cable to USB port. The stuck Notes started happening Just after September 10 when the new IOS was downloaded. Wouldn't you think it's an IOS BUG problem since it's happening on TWO Computers, TWO Keyboards, THREE cables? Please Help!!

Doug

1) It cannot be an iOS bug because iOS is for Apple Mobile devices like iPhones and iPads... You mean it could be an OS X bug.....

2) Its highly unlikely to be an OS X bug otherewise you would literally see thousands of reports of this bug affecting large numbers of people..and that simply isn't the case...

3) My guess is the problem started when you upgraded your OS X to Mountain Lion which is when the way USB ports where handled and the Midi to USB cables you are using, are not fully Mountain Lion compatible... which is very common when using the cheap ones. You said you had tried both a cheap one and a regular one? What's the difference between the two? I ask this because often the same type of cables, either the cheap ones or the regular ones.. exhibit the same problems...because they are, in essence built to the same basic design, which has a flaw that causing them not to work correctly with Mountain LIon.

Solution: Get yourself a real midi interface rather than one of these cheap (and often unstable) midi to USB cables.... Get one from Amazon and test.... if it doesn't work you can easily return it... and if it does work then you have found your solution...

Hi farrellx, Im having the same problem with an almost identical set-up: microkorg, logix pro x 10.0.3, mountain lion 10.8.5 on a macbook pro (2011) and on an iMac. I have also encountered this problem when using mainstage on both platforms. Some posts on this forum have mentioned the use of cheap usb interfaces as being the cause of the problem and that might be why I am having difficulties as I use a simple m-audio 'Uno' interface which fits into that category. I was wondering if you have found a solution to your problem? Regards

Lalorjo,

Frankly, the 'fix' for this issue has typically found to be replacing the 'cheap' Midi interface with one that actually works reliably...

Most of the 'cheap' ones are actually all based on the same design which was found not to be fully compatible with the changes made in OS X... and as they are all USB 'class compliant' devices and require no drivers, there isn't a simple way to fix this problem. Some manufacturers have released updated versions of their hardware to resolve this issue, (Mackie for example) but many have not done so. It's worth noting that the design issue was caused by Devs not following Apple's guidelines 'to the letter' but instead took some design shortcuts which when Apple changed some routines to handle USB2/3 devices, led to this problem but only with devices that didn't follow Apple's guidelines in the first place.. Its also worth noting that this design issue appears in many of the cheap interfaces because many Devs copied the design from others (Clones in essence) which resulted in the problem being present in many of these clones. The interface you mentioned (The Uno) is basically a clone of one of these cheap USB midi interface designs.

One further note is the same problem is present with the same cheap interfaces and Windows 8 (Though they do work with Windows 7 and earlier).... for exactly the same reasons.. so it's not an 'Apple' issue.... (Sorry Pancenter.. I meant to mention that in my other post about the 'meeting' I attended..)

I have reproduced this issue using an UNO plus several other similarly designed Midi interfaces on a couple of my Mac testbed systems.. whereas with the same Macs, interfaces that were designed properly according to the guidelines, do not and have not exhibited this problem. The Motu range for example, has worked without issue throughout.

So, in my opinion, the solution is to buy a good quality Midi/Audio interface and then you won't have this issue...

As an aside, it always amazes me that people will spend a great deal of money on a Mac.. Logic Pro and various 3rd party plugins plus Midi controllers etc.. but then they go and spend just $30 or so... on a cheap midi/audio interface... instead of buying a good quality product to match the rest of their system... The quality of the Midi/Audio interface plus the all important quality of it's drivers is just as important as everything else.. and saving some bucks on an essential part of a Music system, by buying one of the cheapest interfaces out there... is kinda like shooting yourself in the foot and just asking for trouble further down the road.

Finally, this is not personally directed at anyone in particular..and certainly not just directed at the OP here.. It's just my opinion that i am sharing here.. based on what I have read/heard and experienced with many of my clients over the years....and others here on this forum...

Thanks Art of Sound for the prompt and comprehensive response. I will investigate the interface options. I agree with your point about the false economy involved in buying cheap equipment to fit in an otherwise expensive chain but in my defence I inherited most of my set-up including the Uno. My system worked fine on Logic 9 with the same set-up as outlined above until I bought Mainstage recently and the problem continued with Logic X which I bought two days ago and I have been trying to isolate that problem since then. This forum is the first that I came across that suggested that the interfqce might be the cause. Thanks again for your advice.

Lalorjo,

You are welcome....

....and it was more likely an upgrade to your OS X that actually brought out the problem.. rather than Logic Pro or Mainstage themselves

Did you update to Mountain Lion so you could install Logic Pro X?

I have 10.8.5 installed which is the latest software available in Ireland according to the app store

Right.. but did you install 10.8.x (Mountain Lion) just prior to installing Logic Pro X?

Or were you already running Mountain Lion when you were using Logic Pro 9?

No, I installed Mountain Lion a while ago on the Macbook but I cant remember exactly when. I only downloaded Logic X yesterday on the Macbook and never had Logic 9 running on it anyway. Logic 9 was onlyever running on the iMac and that too has had Mountain Lion installed for a while, well in advance of yesterdays purchase of Logic X. By the way, would you mind recommending a good audi/midi or midi only interface to replace the Uno? Thanks again

Personally I only use Motu gear..... The quality of the hardware and drivers are very high, extremely reliable and stable. My oldest Motu Ultralite MK1 for example, I bought almost 8 years ago and it still works fine with the latest version of Mavericks along with the latest Motu drivers for it..... which to me makes Motu gear great value for money too...

http://www.motu.com

Note: I am not connected to Motu in any way other than being a very satisfied customer..