Description

This is a long-standing Mac crash that occurs with low frequency, but has affected more than 500 users since it started (possibly in the 4.11 release)

It has recently been experienced internally by QA: [Link Removed]

User Descriptions

  • Mac client crash using command+w at the login screen
  • UEQA - Closing editor

Callstack from Log

Cmd: QUIT_EDITOR
LogExit: Preparing to exit.
LogCrashTracker: 


LogMac: === Critical error: ===
SIGABRT: abort() called

LogMac: __pthread_kill() Address = 0xb5f13d42 (filename not found) [in libsystem_kernel.dylib]
abort() Address = 0xb5e79420 (filename not found) [in libsystem_c.dylib]
__cxa_bad_cast() Address = 0xb49cd94a (filename not found) [in libc++abi.dylib]
default_terminate_handler() Address = 0xb49f2c17 (filename not found) [in libc++abi.dylib]
_objc_terminate() Address = 0xb5502713 (filename not found) [in libobjc.A.dylib]
std::__terminate(void (*)()) Address = 0xb49efd49 (filename not found) [in libc++abi.dylib]
__cxa_rethrow() Address = 0xb49ef9d2 (filename not found) [in libc++abi.dylib]
objc_exception_rethrow() Address = 0xb550094a (filename not found) [in libobjc.A.dylib]
CFRunLoopRunSpecific() Address = 0xa063819b (filename not found) [in CoreFoundation]
RunCurrentEventLoopInMode() Address = 0x9fb98ebc (filename not found) [in HIToolbox]
ReceiveNextEventCommon() Address = 0x9fb98bf9 (filename not found) [in HIToolbox]
_BlockUntilNextEventMatchingListInModeWithFilter() Address = 0x9fb98b26 (filename not found) [in HIToolbox]
_DPSNextEvent() Address = 0x9e131a54 (filename not found) [in AppKit]
-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] Address = 0x9e8ad7ee (filename not found) [in AppKit]
-[NSApplication run] Address = 0x9e1263db (filename not found) [in AppKit]
tchar_main(int, wchar_t**) Address = 0xc43eb23  (filename not found) [in UE4Editor]
main() Address = 0xc43e3b9  (filename not found) [in UE4Editor]
start() Address = 0xb5de5235 (filename not found) [in libdyld.dylib]
Steps to Reproduce

Repro steps currently unknown, but seems to be caused by closing the editor.

Callstack
#0 at 0x7fffbac4fd42

libsystem_kernel.dylib!<Unknown>
libsystem_c.dylib!<Unknown>
libc++abi.dylib!<Unknown>
libc++abi.dylib!default_terminate_handler()
libobjc.A.dylib!Unknown()
libc++abi.dylib!std::__terminate(void (*)()
libc++abi.dylib!<Unknown>
libobjc.A.dylib!Unknown()
CoreFoundation!Unknown()
HIToolbox!<Unknown>
HIToolbox!<Unknown>
HIToolbox!<Unknown>
AppKit!<Unknown>
AppKit!-[NSApplication()
AppKit!<Unknown>
UE4Editor!tchar_main()
UE4Editor!<Unknown>
libdyld.dylib!<Unknown>

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Fixed
ComponentPlatform - Mac
Affects Versions4.114.124.144.154.164.18
Target Fix4.18
Fix Commit3676002
Release Commit3676002
CreatedJun 6, 2017
ResolvedOct 2, 2017
UpdatedJan 31, 2018