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Thread: hdiutil: flatten: "test.dmg" failed: Resource temporarily unavailable

  1. #1
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    Default hdiutil: flatten: "test.dmg" failed: Resource temporarily unavailable

    I'm having this issue intermittently on Catalina using 3.5.6 and 3.5.7b1. It usually occurs the first time, and then if I re-run DropDMG (using the command-line tool) it often succeeds:

    Code:
         [exec] Error: hdiutil: flatten: flattening "test.dmg"...
         [exec] hdiutil: flatten: "test.dmg" failed: Resource temporarily unavailable (-54)
         [exec] hdiutil: flatten failed - Invalid argument
    I'm using the latest Catalina beta at this time. Is there anything more I can provide to help diagnose this issue?

  2. #2

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    Quote Originally Posted by karlvr View Post
    I'm having this issue intermittently on Catalina using 3.5.6 and 3.5.7b1. It usually occurs the first time, and then if I re-run DropDMG (using the command-line tool) it often succeeds:

    Code:
         [exec] Error: hdiutil: flatten: flattening "test.dmg"...
         [exec] hdiutil: flatten: "test.dmg" failed: Resource temporarily unavailable (-54)
         [exec] hdiutil: flatten failed - Invalid argument
    I'm using the latest Catalina beta at this time.
    This is probably a Catalina bug, so I would recommend reporting to Apple that the “hdiutil: flatten” command is failing intermittently.

    Is this occurring when creating a disk image with a license agreement? If so, it may help to create the image without the license first, and then add it later (by converting).

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