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    Bug 
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    Resolution: Unresolved
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    P3: Somewhat important 
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    None
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    Qt Creator 10.0.0
I had been using Creator without any problems, when suddenly I switched sessions and it crashes. Now whenever I open that session, it crashes. The session contains qtdeclarative and various Qt Quick apps.
1  LanguageClient::LanguageClientManager::clientFinished                                                                                                                                                                                languageclientmanager.cpp 168  0x7fff7c3afe1f 
2  operator()                                                                                                                                                                                                                           languageclientmanager.cpp 90   0x7fff7c3aefd1 
3  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, LanguageClient::LanguageClientManager::addClient(LanguageClient::Client *)::<lambda()>>::call(struct {...} &, void * *)                                    qobjectdefs_impl.h        127  0x7fff7c3b5ccf 
4  QtPrivate::Functor<LanguageClient::LanguageClientManager::addClient(LanguageClient::Client *)::<lambda()>, 0>::call<QtPrivate::List<>, void>(struct {...} &, void *, void * *)                                                       qobjectdefs_impl.h        241  0x7fff7c3b5721 
5  QtPrivate::QFunctorSlotObject<LanguageClient::LanguageClientManager::addClient(LanguageClient::Client *)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void * *, bool *)              qobjectdefs_impl.h        408  0x7fff7c3b4ffc 
6  ??                                                                                                                                                                                                                                                                  0x7ffff5b97a32 
7  LanguageClient::Client::finished                                                                                                                                                                                                     moc_client.cpp            301  0x7fff7c2739cf 
8  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (LanguageClient::Client:: *)()>::call(void (LanguageClient::Client:: *)(), LanguageClient::Client *, void * *)                                        qobjectdefs_impl.h        135  0x7fff7c31198b 
9  QtPrivate::FunctionPointer<void (LanguageClient::Client:: *)()>::call<QtPrivate::List<>, void>(void (LanguageClient::Client:: *)(), LanguageClient::Client *, void * *)                                                              qobjectdefs_impl.h        172  0x7fff7c30550c 
10 QtPrivate::QSlotObject<void (LanguageClient::Client:: *)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void * *, bool *)                                                                           qobjectdefs_impl.h        383  0x7fff7c2f9557 
11 ??                                                                                                                                                                                                                                                                  0x7ffff5b97a32 
12 LanguageClient::InterfaceController::finished                                                                                                                                                                                        client.moc                212  0x7fff7c2c280b 
13 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (LanguageClient::InterfaceController:: *)()>::call(void (LanguageClient::InterfaceController:: *)(), LanguageClient::InterfaceController *, void * *) qobjectdefs_impl.h        135  0x7fff7c3106cd 
14 QtPrivate::FunctionPointer<void (LanguageClient::InterfaceController:: *)()>::call<QtPrivate::List<>, void>(void (LanguageClient::InterfaceController:: *)(), LanguageClient::InterfaceController *, void * *)                       qobjectdefs_impl.h        172  0x7fff7c3045ec 
15 QtPrivate::QSlotObject<void (LanguageClient::InterfaceController:: *)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void * *, bool *)                                                              qobjectdefs_impl.h        383  0x7fff7c2f8a1b 
16 QObject::event(QEvent *)                                                                                                                                                                                                                                            0x7ffff5b8937c 
17 QApplicationPrivate::notify_helper(QObject *, QEvent *)                                                                                                                                                                                                             0x7ffff6f770f2 
18 QCoreApplication::notifyInternal2(QObject *, QEvent *)                                                                                                                                                                                                              0x7ffff5b3929a 
19 QCoreApplicationPrivate::sendPostedEvents(QObject *, int, QThreadData *)                                                                                                                                                                                            0x7ffff5b3fdfd 
20 ??                                                                                                                                                                                                                                                                  0x7ffff5de11b3 
21 g_main_context_dispatch                                                                                                                                                                                                                                             0x7ffff551bd3b 
22 ??                                                                                                                                                                                                                                                                  0x7ffff5571258 
23 g_main_context_iteration                                                                                                                                                                                                                                            0x7ffff55193e3 
24 QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)                                                                                                                                                                                          0x7ffff5de0bbf 
25 TextEditor::TextDocument::openImpl                                                                                                                                                                                                   textdocument.cpp          796  0x7fffbc400b02 
26 TextEditor::TextDocument::open                                                                                                                                                                                                       textdocument.cpp          749  0x7fffbc40074b 
27 Core::Internal::EditorManagerPrivate::openEditor                                                                                                                                                                                     editormanager.cpp         846  0x7fff5228b81b 
28 Core::Internal::SplitterOrView::restoreState                                                                                                                                                                                         editorview.cpp            940  0x7fff522d4159 
29 Core::EditorManager::restoreState                                                                                                                                                                                                    editormanager.cpp         3639 0x7fff5229a9db 
30 ProjectExplorer::SessionManagerPrivate::restoreEditors                                                                                                                                                                               session.cpp               259  0x7fff51a83a54 
31 ProjectExplorer::ProjectManager::loadSession                                                                                                                                                                                         projectmanager.cpp        828  0x7fff519a5282 
32 ProjectExplorer::ProjectExplorerPluginPrivate::setSession                                                                                                                                                                            projectexplorer.cpp       4141 0x7fff51941857 
33 QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<QAction *>, void, void (ProjectExplorer::ProjectExplorerPluginPrivate:: *)(QAction *)>::call                                                                       qobjectdefs_impl.h        135  0x7fff5197323f 
34 QtPrivate::FunctionPointer<void (ProjectExplorer::ProjectExplorerPluginPrivate:: *)(QAction *)>::call<QtPrivate::List<QAction *>, void>                                                                                              qobjectdefs_impl.h        172  0x7fff5196e031 
35 QtPrivate::QSlotObject<void (ProjectExplorer::ProjectExplorerPluginPrivate:: *)(QAction *), QtPrivate::List<QAction *>, void>::impl                                                                                                  qobjectdefs_impl.h        383  0x7fff51968beb 
36 ??                                                                                                                                                                                                                                                                  0x7ffff5b97a32 
37 QActionGroup::triggered(QAction *)                                                                                                                                                                                                                                  0x7ffff698dcff 
38 ??                                                                                                                                                                                                                                                                  0x7ffff5b97a32 
39 QAction::triggered(bool)                                                                                                                                                                                                                                            0x7ffff6989a12 
40 QAction::activate(QAction::ActionEvent)                                                                                                                                                                                                                             0x7ffff698c7c9 
41 ??                                                                                                                                                                                                                                                                  0x7ffff7135192 
42 ??                                                                                                                                                                                                                                                                  0x7ffff713cb39 
43 QMenu::keyPressEvent(QKeyEvent *)                                                                                                                                                                                                                                   0x7ffff713ef01 
44 QWidget::event(QEvent *)                                                                                                                                                                                                                                            0x7ffff6fcda97 
45 QApplicationPrivate::notify_helper(QObject *, QEvent *)                                                                                                                                                                                                             0x7ffff6f770f2 
46 QApplication::notify(QObject *, QEvent *)                                                                                                                                                                                                                           0x7ffff6f7fca2 
47 QCoreApplication::notifyInternal2(QObject *, QEvent *)                                                                                                                                                                                                              0x7ffff5b3929a 
48 ??                                                                                                                                                                                                                                                                  0x7ffff6fe11e3 
49 QApplicationPrivate::notify_helper(QObject *, QEvent *)                                                                                                                                                                                                             0x7ffff6f770f2 
50 QCoreApplication::notifyInternal2(QObject *, QEvent *)                                                                                                                                                                                                              0x7ffff5b3929a 
51 QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent *)                                                                                                                                                                                  0x7ffff65b9fcb 
52 QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)                                                                                                                                                                               0x7ffff660e22c 
53 ??                                                                                                                                                                                                                                                                  0x7ffff6aa3020 
54 g_main_context_dispatch                                                                                                                                                                                                                                             0x7ffff551bd3b 
55 ??                                                                                                                                                                                                                                                                  0x7ffff5571258 
56 g_main_context_iteration                                                                                                                                                                                                                                            0x7ffff55193e3 
57 QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)                                                                                                                                                                                          0x7ffff5de0b3a 
58 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)                                                                                                                                                                                                             0x7ffff5b44d5b 
59 QCoreApplication::exec()                                                                                                                                                                                                                                            0x7ffff5b4113e 
60 main                                                                                                                                                                                                                                 main.cpp                  810  0x555555564cc4 
Qt Creator 10.0.0 Based on Qt 6.4.2 (GCC 10.3.1 20210422 (Red Hat 10.3.1-1), x86_64) Built on Mar 28 2023 10:27:49 From revision 9af26dd086