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#Microsoft error reporting mac code#
#Microsoft error reporting mac windows#

Windows 1.0 BSOD (Incorrect DOS Version): Short version, showing a failed Windows startup If you want the gory details, you can read all about it in Apple’s technical note on crashes.The "Incorrect DOS Version" screen on Windows 1.01, featuring random characters

#Microsoft error reporting mac code#

You might get a useful error code to Google or be able to provide tech support with the right information. But if you have a persistent crash, the crash reports can help you troubleshoot the issue or work with the developer to fix the problem. If you’re a user, they’re not as helpful. It helps you understand what part of your application is crashing and why. If you’re a developer, reading crash reports is essential. But it’s equally as possible that you’ll need to have coded the application yourself to make sense of the backtrace. If you can make sense of the symbolication, you might be able to understand what’s happening. Other times, they’re cryptic titles or numerical code. Sometimes developers include useful notes about application tasks and events. Even with complete symbolication, it can be hard to read the backtrace. We see this in the crash report above: is not symbolicated. Sometimes this can’t be done completely, leaving unreadable memory addresses scattered through the report. It’s “symbolicated,” meaning some of the memory addresses have been replaced with function names or application tasks. This “backtrace” can be somewhat baffling. The fourth is the name of the program’s task. The third is the address of the process in memory. The first reports the event’s number in reverse chronological order, starting at 0. These are sorted by thread, starting with thread 0.

What lead to the crash?Īfter that we see a reverse chronological list of what lead up to the crash. This is due to a programming error in the application or an unusual user state causing the application to map memory incorrectly. A termination code will be appended to explain the exception.Īs we can see from our crash report, the application tried to access unmapped memory.

Killed ( SIGKILL) – the process was terminated at the request of the system.

Typically, a watchdog process terminates a misbehaving process.

Quit ( SIGQUIT) – the process was terminated by another process with sufficient privileges.

Illegal Instruction ( EXC_BAD_INSTRUCTION / SIGILL) – the processed issued an instruction that wasn’t understood or couldn’t be processed.

Trace Trap ( EXC_BREAKPOINT / SIGTRAP) – like SIGABRT, but this exit gives the attached debugger the chance to interrupt the process at a breakpoint and trace the error.

Abnormal Exit ( EXC_CRASH / SIGABRT) – abnormal exit, typically at the hand of an uncaught C++ exception and calls to abort().

Appended with a code explaining the memory issue.

Bad Memory Access ( EXC_BAD_ACCESS / SIGSEGV / SIGBUS) – the program attempts to access memory incorrectly or with an invalid address.

Termination Reason: Namespace SIGNAL, Code 0xbĪpple lists some common exception types in their technical documentation: Termination Signal: Segmentation fault: 11 Crashed Thread: 0 Dispatch queue: -threadĮxception Codes: KERN_INVALID_ADDRESS at 0x000040dedeadbec0