after loading a quite large project created with 1183:
PixInsight 01.08.04.1189 - Critical Signal Backtrace
Signal : 11
Module : 0 PixInsight 0x000000010dd9b716 curl_slist_free_all + 1709683
========================================================================================================================
28: 1 libsystem_platform.dylib 0x00007fff908dff1a _sigtramp + 26
27: 2 ??? 0x00007fff52f2b1d0 0x0 + 140734585024976
26: 3 QtWidgets 0x0000000110ce3329 _ZN7QWidgetD2Ev + 73
25: 4 PixInsight 0x000000010db20ad6 start + 14959542
24: 5 PixInsight 0x000000010db2203c start + 14965020
23: 6 QtCore 0x0000000111cbb3e9 _ZN11QMetaObject8activateEP7QObjectiiPPv + 2953
22: 7 QtCore 0x0000000111cb3e10 _ZN7QObject5eventEP6QEvent + 48
21: 8 QtWidgets 0x0000000110cb4953 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent + 307
20: 9 QtWidgets 0x0000000110cb7c46 _ZN12QApplication6notifyEP7QObjectP6QEvent + 8022
19: 10 PixInsight 0x000000010ce0df76 start + 1251414
18: 11 QtCore 0x0000000111c8ac23 _ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent + 115
17: 12 QtCore 0x0000000111cdc8f6 _ZN14QTimerInfoList14activateTimersEv + 1286
16: 13 libqcocoa.dylib 0x00000001154a4b42 qt_plugin_instance + 103074
15: 14 CoreFoundation 0x00007fff88566a01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
14: 15 CoreFoundation 0x00007fff88558b8d __CFRunLoopDoSources0 + 269
13: 16 CoreFoundation 0x00007fff885581bf __CFRunLoopRun + 927
12: 17 CoreFoundation 0x00007fff88557bd8 CFRunLoopRunSpecific + 296
11: 18 HIToolbox 0x00007fff88ac056f RunCurrentEventLoopInMode + 235
10: 19 HIToolbox 0x00007fff88ac02ea ReceiveNextEventCommon + 431
9: 20 HIToolbox 0x00007fff88ac012b _BlockUntilNextEventMatchingListInModeWithFilter + 71
8: 21 AppKit 0x00007fff85e078ab _DPSNextEvent + 978
7: 22 AppKit 0x00007fff85e06e58 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
6: 23 AppKit 0x00007fff85dfcaf3 -[NSApplication run] + 594
5: 24 libqcocoa.dylib 0x00000001154a57ba qt_plugin_instance + 106266
4: 25 QtCore 0x0000000111c8837c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE + 412
3: 26 QtCore 0x0000000111c8b1ca _ZN16QCoreApplication4execEv + 346
2: 27 PixInsight 0x000000010ce21cbb start + 1332635
1: 28 PixInsight 0x000000010ccdc754 start + 52
========================================================================================================================
then when trying to switch from workspace 6 to workspace 5, PI crashed:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGABRT)
Exception Codes: EXC_I386_GPFLT
Application Specific Information:
abort() called
*** error for object 0x600002ae8a80: Invalid pointer dequeued from free list
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff8a669286 __pthread_kill + 10
1 libsystem_c.dylib 0x00007fff8bc2f9b3 abort + 129
2 libsystem_malloc.dylib 0x00007fff8e866f4f nanozone_error + 524
3 libsystem_malloc.dylib 0x00007fff8e85cce3 _nano_malloc_check_clear + 370
4 libsystem_malloc.dylib 0x00007fff8e85d21a nano_calloc + 73
5 libsystem_malloc.dylib 0x00007fff8e857b90 malloc_zone_calloc + 78
6 com.apple.AppKit 0x00007fff85fcf1e1 -[NSApplication _commonBeginModalSessionForWindow:relativeToWindow:modalDelegate:didEndSelector:contextInfo:] + 647
7 com.apple.AppKit 0x00007fff85fcef47 -[NSApplication beginModalSessionForWindow:] + 37
8 libqcocoa.dylib 0x00000001154a5b2f 0x115484000 + 138031
9 libqcocoa.dylib 0x00000001154a56a8 0x115484000 + 136872
10 org.qt-project.QtCore 0x0000000111c8837c QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 412
11 org.qt-project.QtWidgets 0x0000000110ea484a QDialog::exec() + 522
12 software.pleiades.PixInsight 0x000000010cd5333a start + 486426
13 software.pleiades.PixInsight 0x000000010dd4b4e8 curl_slist_free_all + 1381445
14 software.pleiades.PixInsight 0x000000010dc3b147 curl_slist_free_all + 266404
15 software.pleiades.PixInsight 0x000000010ce0e16d start + 1251917
16 org.qt-project.QtCore 0x0000000111c8ac23 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
17 org.qt-project.QtWidgets 0x0000000110ceda7f QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 3119
18 org.qt-project.QtWidgets 0x0000000110cee36b QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 1227
19 org.qt-project.QtWidgets 0x0000000110cede17 QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 4039
20 org.qt-project.QtWidgets 0x0000000110cee36b QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 1227
21 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
22 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
23 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
24 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
25 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
26 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
27 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
28 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
29 org.qt-project.QtWidgets 0x0000000110cede17 QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 4039
30 org.qt-project.QtWidgets 0x0000000110cee36b QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 1227
31 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
32 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
33 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
34 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
35 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
36 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
37 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
38 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
39 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
40 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
41 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
42 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
43 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
44 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
45 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
46 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
47 org.qt-project.QtWidgets 0x0000000110cee1f9 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 857
48 org.qt-project.QtWidgets 0x0000000110cede17 QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) + 4039
49 org.qt-project.QtWidgets 0x0000000110cc1355 QWidgetBackingStore::doSync() + 4181
50 org.qt-project.QtWidgets 0x0000000110cc02e6 QWidgetBackingStore::sync(QWidget*, QRegion const&) + 294
51 org.qt-project.QtWidgets 0x0000000110d13b43 0x110c83000 + 592707
52 org.qt-project.QtWidgets 0x0000000110cb4953 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 307
53 org.qt-project.QtWidgets 0x0000000110cb7c46 QApplication::notify(QObject*, QEvent*) + 8022
54 software.pleiades.PixInsight 0x000000010ce0df76 start + 1251414
55 org.qt-project.QtCore 0x0000000111c8ac23 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
56 org.qt-project.QtGui 0x0000000111320301 QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) + 321
57 org.qt-project.QtGui 0x0000000111307da7 QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 215
58 libqcocoa.dylib 0x0000000115494640 0x115484000 + 67136
59 org.qt-project.QtGui 0x0000000111326393 QWindow::setVisible(bool) + 947
60 org.qt-project.QtWidgets 0x0000000110cf1d7b QWidgetPrivate::show_sys() + 827
61 org.qt-project.QtWidgets 0x0000000110cf2caf QWidgetPrivate::show_helper() + 447
62 org.qt-project.QtWidgets 0x0000000110cf3743 QWidget::setVisible(bool) + 947
63 software.pleiades.PixInsight 0x000000010db183b7 start + 14924951
64 org.qt-project.QtCore 0x0000000111cbb3e9 QMetaObject::activate(QObject*, int, int, void**) + 2953
65 software.pleiades.PixInsight 0x000000010db914ec start + 15420876
66 org.qt-project.QtCore 0x0000000111cbb3e9 QMetaObject::activate(QObject*, int, int, void**) + 2953
67 org.qt-project.QtWidgets 0x00000001110541d4 0x110c83000 + 4002260
68 org.qt-project.QtCore 0x0000000111cbb3e9 QMetaObject::activate(QObject*, int, int, void**) + 2953
69 org.qt-project.QtWidgets 0x000000011104d1bf QStackedLayout::currentChanged(int) + 63
70 org.qt-project.QtWidgets 0x0000000110cd9edd QStackedLayout::setCurrentIndex(int) + 733
71 software.pleiades.PixInsight 0x000000010d87adbe start + 12183198
72 software.pleiades.PixInsight 0x000000010db16c31 start + 14918929
73 software.pleiades.PixInsight 0x000000010db225c8 start + 14966440
74 org.qt-project.QtWidgets 0x0000000110cf406b QWidget::event(QEvent*) + 1675
75 org.qt-project.QtWidgets 0x0000000110de7d4d QFrame::event(QEvent*) + 45
76 org.qt-project.QtWidgets 0x0000000110ded26e QLabel::event(QEvent*) + 254
77 org.qt-project.QtWidgets 0x0000000110cb4953 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 307
78 org.qt-project.QtWidgets 0x0000000110cb7ff8 QApplication::notify(QObject*, QEvent*) + 8968
79 software.pleiades.PixInsight 0x000000010ce0df76 start + 1251414
80 org.qt-project.QtCore 0x0000000111c8ac23 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
81 org.qt-project.QtWidgets 0x0000000110cb5304 QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) + 1012
82 org.qt-project.QtWidgets 0x0000000110d147b5 0x110c83000 + 595893
83 org.qt-project.QtWidgets 0x0000000110d139df 0x110c83000 + 592351
84 org.qt-project.QtWidgets 0x0000000110cb4953 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 307
85 org.qt-project.QtWidgets 0x0000000110cb7c46 QApplication::notify(QObject*, QEvent*) + 8022
86 software.pleiades.PixInsight 0x000000010ce0df76 start + 1251414
87 org.qt-project.QtCore 0x0000000111c8ac23 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
88 org.qt-project.QtGui 0x000000011131c8fe QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) + 2078
89 org.qt-project.QtGui 0x0000000111307e2a QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 346
90 libqcocoa.dylib 0x00000001154a6861 0x115484000 + 141409
91 com.apple.CoreFoundation 0x00007fff88566a01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
92 com.apple.CoreFoundation 0x00007fff88558b8d __CFRunLoopDoSources0 + 269
93 com.apple.CoreFoundation 0x00007fff885581bf __CFRunLoopRun + 927
94 com.apple.CoreFoundation 0x00007fff88557bd8 CFRunLoopRunSpecific + 296
95 com.apple.HIToolbox 0x00007fff88ac056f RunCurrentEventLoopInMode + 235
96 com.apple.HIToolbox 0x00007fff88ac01ee ReceiveNextEventCommon + 179
97 com.apple.HIToolbox 0x00007fff88ac012b _BlockUntilNextEventMatchingListInModeWithFilter + 71
98 com.apple.AppKit 0x00007fff85e078ab _DPSNextEvent + 978
99 com.apple.AppKit 0x00007fff85e06e58 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
100 com.apple.AppKit 0x00007fff85dfcaf3 -[NSApplication run] + 594
101 libqcocoa.dylib 0x00000001154a57ba 0x115484000 + 137146
102 org.qt-project.QtCore 0x0000000111c8837c QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 412
103 org.qt-project.QtCore 0x0000000111c8b1ca QCoreApplication::exec() + 346
104 software.pleiades.PixInsight 0x000000010ce21cbb start + 1332635
105 software.pleiades.PixInsight 0x000000010ccdc754 start + 52