IOServiceOpen returns when the executable is signed

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Latest reply on Feb 15, 2019 1:27 AM by eskimo

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murali1 Feb 12, 2019 8:29 PM

I am trying to use IOKIT library in an executable in my project. When the executable is signed, IOServiceOpen method returns error code : e00002c2 ((iokit/common) invalid argument).

But if the code signing is removed then it works fine. Could you please let me know if I am missing some entitlements to make this work.

Re: IOServiceOpen returns when the executable is signed

Apple Staff (11,625 points)
eskimo Feb 13, 2019 1:41 AM (in response to murali1)

What service are you trying to open?
Share and Enjoy
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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
let myEmail = "eskimo" + "1" + "@apple.com"
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- Re: IOServiceOpen returns when the executable is signed
  
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  murali1 Feb 13, 2019 3:27 AM (in response to eskimo)
  
  trying to communicate to a KEXT
  
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  - Re: IOServiceOpen returns when the executable is signed
    
    Apple Staff (11,625 points)
    eskimo Feb 14, 2019 12:50 AM (in response to murali1)
    
    Your KEXT?
    Share and Enjoy
    —
    Quinn “The Eskimo!”
    Apple Developer Relations, Developer Technical Support, Core OS/Hardware
    let myEmail = "eskimo" + "1" + "@apple.com"
    
    This helped me (0)
    
    Actions
    - Re: IOServiceOpen returns when the executable is signed
      
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      murali1 Feb 14, 2019 2:20 AM (in response to eskimo)
      
      yes, using IO KIT library calls to communicate to our KEXT
      
      This helped me (0)
      
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      - Re: IOServiceOpen returns when the executable is signed
        
        Apple Staff (11,625 points)
        eskimo Feb 15, 2019 1:27 AM (in response to murali1)
        
        Well that’s weird. I’ve no idea what’s going here. My recommendation is that you open a DTS tech support incident so that I, or one of my colleagues, can take an in-depth look.
        Share and Enjoy
        —
        Quinn “The Eskimo!”
        Apple Developer Relations, Developer Technical Support, Core OS/Hardware
        let myEmail = "eskimo" + "1" + "@apple.com"
        
        This helped me (0)
        
        Actions

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