Logic 9.1.5 / Lion / Mackie Control Gremlin

Hello,

mcrowley_uk has just posted in the Logic 9 forum of Logic Users Group under the title of Logic 9.1.5 / Lion / Mackie Control Gremlin.

This thread is located at http://www.logic-users-group.com/forums/showthread.php?t=5626

Here is the message that has just been posted:
***************
Been using logic for years - including last 3 years with a Mackie Control Universal Controller, linked to an RME Fireface 800 audio / midi interface.
I've never had a single problem with the MCU.

Since moving to OSX Lion / Logic 9.1.5 I have a constant problem with the master fader on the MCU jumping to 0 ( and the same on screen ).

There are temporary work around such as delete the fader .cs file, or remove the controller from Logic / Preferences / Controllers etc. and re-scanning it but these are all just work-arounds. 

The two things that get said to this question are generally a) do you have any automation - answer ( no ) not on the master fader and I have reproduced this problem with a blank empty project - just by pressing play.

b) do you lots of midi events going on - answer sometimes yes, sometimes no but it makes no difference.

c) are your midi cables ok - answer ( it works with my old mac ).

I have two youtube clips ( poor quality picture and terrible sound ) but it's an example at least of what's happening. You need to watch the entire clip to get the full picture.

Any help so very much appreciated - please be nice to me I'm having a really bad day.....


http://www.youtube.com/watch?v=2xzdFaQc8k8

http://www.youtube.com/watch?v=bPJ1QLqJFB8

Apple have logged this as a potential bug. They have one or two other similar cases but it's not definite. I'd prefer it if it was something I'm doing.:brkwl:

Thanks Martin.
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