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Re: How to debug crash in NSOperation?
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Re: How to debug crash in NSOperation?


  • Subject: Re: How to debug crash in NSOperation?
  • From: Ken Thomases <email@hidden>
  • Date: Sun, 26 Mar 2017 22:39:01 -0500

On Mar 26, 2017, at 10:06 PM, Gerriet M. Denkmann <email@hidden> wrote:
>
> macOS 12.3
>
> This is a rather rare bug (never seen before):
>
> Thread 12 Crashed:: Dispatch queue: เสือ :: NSOperation 0x61800184fbd0 (QOS: UTILITY)
> 0   libsystem_kernel.dylib        	0x00007fffb3d65dd6 __pthread_kill + 10
> 1   libsystem_pthread.dylib       	0x00007fffb3e51787 pthread_kill + 90
> 2   libsystem_c.dylib             	0x00007fffb3ccb420 abort + 129
> 3   libc++abi.dylib               	0x00007fffb282885a abort_message + 266
> 4   libc++abi.dylib               	0x00007fffb284dc4f default_terminate_handler() + 267
> 5   libobjc.A.dylib               	0x00007fffb3357b8e _objc_terminate() + 103
> 6   libc++abi.dylib               	0x00007fffb284ad69 std::__terminate(void (*)()) + 8
> 7   libc++abi.dylib               	0x00007fffb284ade3 std::terminate() + 51
> 8   libdispatch.dylib             	0x00007fffb3c010cc _dispatch_client_callout + 28
> 9   libdispatch.dylib             	0x00007fffb3c17ae5 _dispatch_queue_serial_drain + 896
> 10  libdispatch.dylib             	0x00007fffb3c09cd9 _dispatch_queue_invoke + 1046
> 11  libdispatch.dylib             	0x00007fffb3c02e70 _dispatch_root_queue_drain + 476
> 12  libdispatch.dylib             	0x00007fffb3c02c47 _dispatch_worker_thread3 + 99
> 13  libsystem_pthread.dylib       	0x00007fffb3e4e712 _pthread_wqthread + 1299
> 14  libsystem_pthread.dylib       	0x00007fffb3e4e1ed start_wqthread + 13

I would expect that some message would be logged to the system log at the time of the crash and/or included in the crash report, just above the thread backtraces.  Was there such a message?  If so, what was it?

Regards,
Ken


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  • Follow-Ups:
    • Re: How to debug crash in NSOperation?
      • From: "Gerriet M. Denkmann" <email@hidden>
References: 
 >How to debug crash in NSOperation? (From: "Gerriet M. Denkmann" <email@hidden>)

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