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Editorial Team
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Asked: 2026-06-06T07:47:21+00:00

The crash report details: Exception Type: 00000020 Exception Codes: 0x8badf00d Highlighted Thread: 3 Application

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The crash report details:

Exception Type:  00000020
Exception Codes: 0x8badf00d
Highlighted Thread:  3

Application Specific Information:
MyApp[123] has active assertions beyond permitted time: 
{(
    <SBProcessAssertion: 0x4b52f0> identifier: CoreLocationBackgroundClient process: MyApp[579] permittedBackgroundDuration: 600.000000 reason: finishTask owner pid:123 preventSuspend  preventIdleSleep 
)}

Elapsed total CPU time (seconds): 13.980 (user 13.980, system 0.000), 1% CPU 
Elapsed application CPU time (seconds): 0.251, 0% CPU

and thread 3 is:

Thread 3 name:  com.apple.NSURLConnectionLoader
Thread 3:
0   libsystem_kernel.dylib          0x30e67004 mach_msg_trap + 20
1   libsystem_kernel.dylib          0x30e671fa mach_msg + 50
2   CoreFoundation                  0x381ea3ec __CFRunLoopServiceMachPort + 120
3   CoreFoundation                  0x381e9124 __CFRunLoopRun + 876
4   CoreFoundation                  0x3816c49e CFRunLoopRunSpecific + 294
5   CoreFoundation                  0x3816c366 CFRunLoopRunInMode + 98
6   Foundation                      0x373a7bb2 +[NSURLConnection(Loader) _resourceLoadLoop:] + 302
7   Foundation                      0x373a7a7a -[NSThread main] + 66
8   Foundation                      0x3743b58a __NSThread__main__ + 1042
9   libsystem_c.dylib               0x333c972e _pthread_start + 314
10  libsystem_c.dylib               0x333c95e8 thread_start + 0

The application uses GPS. Any idea why this crash is happening?

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1 Answer

  1. Editorial Team

    It looks as though you’re using the wrong kind of background processing. The 600 seconds is the give-away. That suggests that you’re using the task completion API, which gives applications a finite amount of time (currently ten minutes) to finish off certain activities before they are suspended.

    If you want to continue to monitor GPS location while in the background you need to use particular Core Location APIs (and set the appropriate flag in your Info.plist).

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