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Re: Crash with El Capitan and MIDIClientCallbackListener_Notify
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Re: Crash with El Capitan and MIDIClientCallbackListener_Notify

  • Subject: Re: Crash with El Capitan and MIDIClientCallbackListener_Notify
  • From: Rick Cohen <email@hidden>
  • Date: Mon, 19 Oct 2015 14:10:02 -0400
Hi Tamas,

Thank you so much!  I will pass that information on to the developer of that module.  If we have any more issues with this I will post them as a future reply.

   - Rick

On Mon, Oct 19, 2015 at 2:03 PM, Tamas Nagy <email@hidden> wrote:
Hello,

yes, I was the topic starter.

The problem is related to having multiple MIDIClientRef’s in your app - that crash happening when you have multiple MIDIClientRef’s and you are trying to release them. While I investigated on the issue, it came out the having multiple MIDIClientRefs is a design issue anyway, so removing them and manage only one fixed the problem.

Best,
Tamas

On 19 Oct 2015, at 19:45, Rick Cohen <email@hidden> wrote:

There is a crash which was reported in the developers forum during El Capitan beta.

https://forums.developer.apple.com/thread/14477

The crash is still occurring in the release version of OS X 10.11.  For me, the method to reproduce the bug is to disconnect a USB keyboard while running a program which is using this type of callback (the program that I am using to test is in beta).

Has anybody else seen this, and knows of a workaround?

Thanks very much,

 - Rick



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  • Follow-Ups:
    • Re: Crash with El Capitan and MIDIClientCallbackListener_Notify
      • From: Tamas Nagy <email@hidden>
References: 
 >Crash with El Capitan and MIDIClientCallbackListener_Notify (From: Rick Cohen <email@hidden>)
 >Re: Crash with El Capitan and MIDIClientCallbackListener_Notify (From: Tamas Nagy <email@hidden>)

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