Crash qt app on Mac Mojave

[Rakesh Singhal]

My qt app is crashing on Mac Mojave. Need help to resolve this issue.

Thank you in advance.

Process:               MyApp [691]
Path:                  /Applications/MyCompany MyApp/MyApp.app/Contents/MacOS/MyApp
Identifier:            com.MyCompany.MyApp
Version:               5.9.9 (???)
Code Type:             X86-64 (Native)
Parent Process:        ??? [689]
Responsible:           MyApp [691]
User ID:               501

Date/Time:             2018-09-03 12:01:33.478 +0530
OS Version:            Mac OS X 10.14 (18A377a)
Report Version:        12
Anonymous UUID:        429363B9-2780-3BEC-82E9-5C53B409FF5D

Sleep/Wake UUID:       4083873A-D6DB-42FB-8F10-3CD7C94F9803

Time Awake Since Boot: 11000 seconds
Time Since Wake:       860 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000119851530
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Segmentation fault: 11
Termination Reason:    Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [691]

VM Regions Near 0x119851530:
    MALLOC_LARGE           0000000119810000-0000000119851000 [  260K] rw-/rwx SM=PRV 
-->
    WebAssembly memory     0000000119860000-0000000119870000 [   64K] rw-/rw- SM=PRV 

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_platform.dylib          0x00007fff5ede9975 _platform_bzero$VARIANT$Haswell + 53
1   com.apple.CoreGraphics            0x00007fff32068128 CGBlt_fillBytes + 324
2   com.apple.CoreGraphics            0x00007fff3207b05a argb32_mark + 20210
3   com.apple.CoreGraphics            0x00007fff32062490 RIPLayerBltShape + 1316
4   com.apple.CoreGraphics            0x00007fff32060586 ripc_Render + 322
5   com.apple.CoreGraphics            0x00007fff3205d608 ripc_DrawRects + 354
6   com.apple.CoreGraphics            0x00007fff3205d41a CGContextFillRects + 96
7   com.apple.CoreGraphics            0x00007fff3205d3b3 CGContextFillRect + 105
8   com.apple.AppKit                  0x00007fff2f2b44d6 NSRectFill + 238
9   com.apple.AppKit                  0x00007fff2f4b9875 -[NSNextStepFrame drawRect:] + 119
10  com.apple.AppKit                  0x00007fff2f2b4189 _NSViewDrawRect + 66
11  com.apple.AppKit                  0x00007fff2f29ef86 -[NSView _drawRect:clip:] + 1745
12  com.apple.AppKit                  0x00007fff2f29de27 -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1400
13  com.apple.AppKit                  0x00007fff2f29bf2c -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 938
14  com.apple.AppKit                  0x00007fff2f29948e -[NSView _oldDisplayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 1887
15  com.apple.AppKit                  0x00007fff2f298acd -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 253
16  com.apple.AppKit                  0x00007fff2f2956ba -[NSView displayIfNeeded] + 1300
17  com.apple.AppKit                  0x00007fff2f269466 -[NSWindow _setFrameCommon:display:stashSize:] + 4015
18  com.apple.AppKit                  0x00007fff2f2684a1 -[NSWindow _setFrame:display:allowImplicitAnimation:stashSize:] + 192
19  com.apple.AppKit                  0x00007fff2f2683da -[NSWindow setFrame:display:] + 51
20  com.apple.AppKit                  0x00007fff2f30ceea -[NSWindow setValue:forKey:] + 166
21  objc._objc.so                     0x00000001083079bd object_method_setValue_forKey_ + 77
22  objc._objc.so                     0x0000000108302712 ffi_closure_unix64_inner + 642
23  objc._objc.so                     0x0000000108301d06 ffi_closure_unix64 + 70
24  com.apple.QuartzCore              0x00007fff3cbfaa05 -[CABasicAnimation applyForTime:presentationObject:modelObject:] + 870
25  com.apple.AppKit                  0x00007fff2f1b9e5e +[NSAppearance _performWithCurrentAppearance:usingBlock:] + 84
26  com.apple.AppKit                  0x00007fff2f38cb5d __40+[NSAnimationManager performAnimations:]_block_invoke_3 + 915
27  com.apple.AppKit                  0x00007fff2f21f6b5 +[NSAnimationContext runAnimationGroup:] + 55
28  com.apple.AppKit                  0x00007fff2f38c7c1 __40+[NSAnimationManager performAnimations:]_block_invoke_2 + 128
29  com.apple.AppKit                  0x00007fff2f1c20f6 NSPerformVisuallyAtomicChange + 132
30  com.apple.AppKit                  0x00007fff2f38c33a +[NSAnimationManager performAnimations:] + 1258
31  com.apple.AppKit                  0x00007fff2f38bd97 -[NSScreenDisplayLink _fire] + 298
32  com.apple.CoreFoundation          0x00007fff31c51e6d __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
33  com.apple.CoreFoundation          0x00007fff31c51a20 __CFRunLoopDoTimer + 859
34  com.apple.CoreFoundation          0x00007fff31c51560 __CFRunLoopDoTimers + 333
35  com.apple.CoreFoundation          0x00007fff31c327b7 __CFRunLoopRun + 2176
36  com.apple.CoreFoundation          0x00007fff31c31ce4 CFRunLoopRunSpecific + 463
37  com.apple.HIToolbox               0x00007fff30ecb895 RunCurrentEventLoopInMode + 293
38  com.apple.HIToolbox               0x00007fff30ecb4d4 ReceiveNextEventCommon + 371
39  com.apple.HIToolbox               0x00007fff30ecb348 _BlockUntilNextEventMatchingListInModeWithFilter + 64
40  com.apple.AppKit                  0x00007fff2f1888df _DPSNextEvent + 997
41  com.apple.AppKit                  0x00007fff2f18767e -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1362
42  com.apple.AppKit                  0x00007fff2f1816e1 -[NSApplication run] + 699
43  libqcocoa.dylib                   0x0000000114a75ac5 QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 2165
44  QtCore                            0x00000001054b9f0d QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 381
45  QtCore                            0x00000001054bce0c QCoreApplication::exec() + 364
46  PyQt4.QtGui.so                    0x0000000109b87140 meth_QApplication_exec_(_object*, _object*) + 80
47  Python                            0x00000001003adb5c PyEval_EvalFrameEx + 20492
48  Python                            0x00000001003a88dd PyEval_EvalCodeEx + 1725
49  Python                            0x00000001003346bc function_call + 364
50  Python                            0x000000010030eb83 PyObject_Call + 99
51  Python                            0x000000010031beb6 instancemethod_call + 182
52  Python                            0x000000010030eb83 PyObject_Call + 99
53  Python                            0x00000001003ac98c PyEval_EvalFrameEx + 15932
54  Python                            0x00000001003b04a2 fast_function + 194
55  Python                            0x00000001003abd81 PyEval_EvalFrameEx + 12849
56  Python                            0x00000001003b04a2 fast_function + 194
57  Python                            0x00000001003abd81 PyEval_EvalFrameEx + 12849
58  Python                            0x00000001003b04a2 fast_function + 194
59  Python                            0x00000001003abd81 PyEval_EvalFrameEx + 12849
60  Python                            0x00000001003b04a2 fast_function + 194
61  Python                            0x00000001003abd81 PyEval_EvalFrameEx + 12849
62  Python                            0x00000001003a88dd PyEval_EvalCodeEx + 1725
63  Python                            0x00000001003a8216 PyEval_EvalCode + 54
64  Python                            0x00000001003d20c5 PyRun_SimpleStringFlags + 149
65  com.MyCompany.MyApp                  0x000000010000187d pyi_pylib_run_scripts + 237
66  com.MyCompany.MyApp                  0x0000000100015bdc main + 380
67  com.MyCompany.MyApp                  0x0000000100000d34 start + 52

[Jens Alfke]

File a bug report with Apple, as this looks more like a system bug.
And for future Cocoa-level questions, use the cocoa-dev mailing list instead of darwin-dev.

—Jens
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[Rakesh Singhal]

Thank you very much Jens. I will file it.