Process: sample [3630] Code Type: X86-64 (Native) OS Version: Mac OS X 10.15 (19A501i) Report Version: 12 Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_INSTRUCTION (SIGILL) Exception Codes: 0x0000000000000001, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Illegal instruction: 4 Termination Reason: Namespace SIGNAL, Code 0x4 Terminating Process: exc handler [3630] Application Specific Information: Crashing on exception: The window has been marked as needing another Display Window pass, but it has already had more Display Window passes than there are views in the window. Application Specific Backtrace 1: 0 CoreFoundation 0x00007fff2f0b1f73 __exceptionPreprocess + 250 1 libobjc.A.dylib 0x00007fff652f1e84 objc_exception_throw + 48 2 CoreFoundation 0x00007fff2f0b1dc9 +[NSException raise:format:] + 189 3 AppKit 0x00007fff2c32cfff -[NSWindow(NSDisplayCycle) _postWindowNeedsDisplayUnlessPostingDisabled] + 1530 4 AppKit 0x00007fff2c2f0be4 -[NSView setNeedsDisplayInRect:] + 269 5 AppKit 0x00007fff2c2f0abb -[NSView setNeedsDisplay:] + 52 6 AppKit 0x00007fff2c3ac2f7 -[NSView lockFocusIfCanDraw] + 256 7 AppKit 0x00007fff2c3ac116 -[NSView lockFocus] + 36 8 AppKit 0x00007fff2c3aa444 -[NSView _oldDisplayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 593 9 AppKit 0x00007fff2c3a6b83 -[NSView displayIfNeeded] + 755 10 AppKit 0x00007fff2c3a3d25 -[NSWindow displayIfNeeded] + 261 11 AppKit 0x00007fff2c3a3b7a __NSWindowGetDisplayCycleObserverForDisplay_block_invoke + 646 12 AppKit 0x00007fff2c39f647 NSDisplayCycleObserverInvoke + 155 13 AppKit 0x00007fff2c39f20e NSDisplayCycleFlush + 977 14 AppKit 0x00007fff2cb6ac6a __37+[NSDisplayCycle currentDisplayCycle]_block_invoke.18 + 50 15 QuartzCore 0x00007fff3ab4127c _ZN2CA11Transaction19run_commit_handlersE18CATransactionPhase + 100 16 QuartzCore 0x00007fff3ac76029 _ZN2CA7Context18commit_transactionEPNS_11TransactionEd + 529 17 QuartzCore 0x00007fff3ab40d6c _ZN2CA11Transaction6commitEv + 638 18 AppKit 0x00007fff2cb6a3c4 __62+[CATransaction(NSCATransaction) NS_setFlushesWithDisplayLink]_block_invoke + 266 19 AppKit 0x00007fff2cb6a7ec ___NSRunLoopObserverCreateWithHandler_block_invoke + 41 20 CoreFoundation 0x00007fff2f05d1bc __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23 21 CoreFoundation 0x00007fff2f05d0e2 __CFRunLoopDoObservers + 457 22 CoreFoundation 0x00007fff2efffe59 __CFRunLoopRun + 1219 23 CoreFoundation 0x00007fff2efff711 CFRunLoopRunSpecific + 499 24 HIToolbox 0x00007fff2dbf029d RunCurrentEventLoopInMode + 292 25 HIToolbox 0x00007fff2dbefee9 ReceiveNextEventCommon + 356 26 HIToolbox 0x00007fff2dbefd67 _BlockUntilNextEventMatchingListInModeWithFilter + 64 27 AppKit 0x00007fff2c2b0dac _DPSNextEvent + 990 28 AppKit 0x00007fff2c2afb18 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352 29 libqcocoa.dylib 0x000000010bc66647 qt_plugin_instance + 176199 30 QtCore 0x0000000109ae5bd7 _ZN16QCoreApplication13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE + 39 31 QtWidgets 0x0000000108e4aac1 _ZN14QWidgetPrivate11show_helperEv + 577 32 QtWidgets 0x0000000108e4b623 _ZN14QWidgetPrivate10setVisibleEb + 819 33 QtWidgets 0x000000010900cefd _ZN7QDialog10setVisibleEb + 125 34 sample 0x0000000108df6dbc main + 188 35 libdyld.dylib 0x00007fff66630c49 start + 1 36 ??? 0x0000000000000001 0x0 + 1 Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.AppKit 0x00007fff2c663f0b -[NSApplication _crashOnException:] + 106 1 com.apple.AppKit 0x00007fff2cb6a5df __62+[CATransaction(NSCATransaction) NS_setFlushesWithDisplayLink]_block_invoke + 805 2 com.apple.AppKit 0x00007fff2cb6a7ec ___NSRunLoopObserverCreateWithHandler_block_invoke + 41 3 com.apple.CoreFoundation 0x00007fff2f05d1bc __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23 4 com.apple.CoreFoundation 0x00007fff2f05d0e2 __CFRunLoopDoObservers + 457 5 com.apple.CoreFoundation 0x00007fff2efffe59 __CFRunLoopRun + 1219 6 com.apple.CoreFoundation 0x00007fff2efff711 CFRunLoopRunSpecific + 499 7 com.apple.HIToolbox 0x00007fff2dbf029d RunCurrentEventLoopInMode + 292 8 com.apple.HIToolbox 0x00007fff2dbefee9 ReceiveNextEventCommon + 356 9 com.apple.HIToolbox 0x00007fff2dbefd67 _BlockUntilNextEventMatchingListInModeWithFilter + 64 10 com.apple.AppKit 0x00007fff2c2b0dac _DPSNextEvent + 990 11 com.apple.AppKit 0x00007fff2c2afb18 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352 12 libqcocoa.dylib 0x000000010bc66647 QCocoaEventDispatcher::processEvents(QFlags) + 1623 13 org.qt-project.QtCore 0x0000000109ae5bd7 QCoreApplication::processEvents(QFlags) + 39 14 org.qt-project.QtWidgets 0x0000000108e4aac1 QWidgetPrivate::show_helper() + 577 15 org.qt-project.QtWidgets 0x0000000108e4b623 QWidgetPrivate::setVisible(bool) + 819 16 org.qt-project.QtWidgets 0x000000010900cefd QDialog::setVisible(bool) + 125 17 organization.sample 0x0000000108df6dbc main + 188 18 libdyld.dylib 0x00007fff66630c49 start + 1 Thread 1: 0 libsystem_pthread.dylib 0x00007fff6683968c start_wqthread + 0 Thread 2: 0 libsystem_pthread.dylib 0x00007fff6683968c start_wqthread + 0 Thread 3: 0 libsystem_pthread.dylib 0x00007fff6683968c start_wqthread + 0 Thread 4: 0 libsystem_pthread.dylib 0x00007fff6683968c start_wqthread + 0 Thread 0 crashed with X86 Thread State (64-bit): rax: 0x00007f8da71b7400 rbx: 0x0000600002746fd0 rcx: 0x7f7cc4bbf06d006e rdx: 0x0000000000000000 rdi: 0x0000600002746bb0 rsi: 0x0000000000000ea6 rbp: 0x00007ffee6e0a220 rsp: 0x00007ffee6e0a210 r8: 0x00000000000000a6 r9: 0x00007f8da71b82a6 r10: 0x00000000000000a6 r11: 0x0000000000000000 r12: 0x00007f8da7004120 r13: 0x0000000000000002 r14: 0x00007fff652e5b00 r15: 0x000060000184c6e0 rip: 0x00007fff2c663f0b rfl: 0x0000000000010202 cr2: 0x0000600001e4a000 Logical CPU: 1 Error Code: 0x00000000 Trap Number: 6