Bug 400237

Summary: KDeveloped crash on startup
Product: [Applications] kdevelop Reporter: Gianni <nasus.maximos>
Component: generalAssignee: kdevelop-bugs-null
Status: RESOLVED DUPLICATE    
Severity: crash CC: mail
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.2.3   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Gianni 2018-10-24 13:21:21 UTC 
Application: kdevelop (5.2.3)

Qt Version: 5.11.1
Frameworks Version: 5.48.0
Operating System: Linux 4.18.14-200.fc28.x86_64 x86_64
Distribution: "Fedora release 28 (Twenty Eight)"

-- Information about the crash:
- What I was doing when the application crashed:
 Just started KDevelop session and it automatically tried to open my last project, and it crashed.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f76ad4b8980 (LWP 29917))]

Thread 15 (Thread 0x7f76527fc700 (LWP 29963)):
#0  0x00007f76c73163e9 in poll () at /lib64/libc.so.6
#1  0x00007f76bd0ccbc6 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f7661933d29 in QQuickXmlQueryEngine::run() () at /usr/lib64/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f7652ffd700 (LWP 29954)):
#0  0x00007f76c182651c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76c7feb183 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f76c4533730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f76c453786c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f76c45327c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f76c4535751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f76537fe700 (LWP 29953)):
#0  0x00007f76c182651c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76c7feb183 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f76c4533730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f76c453786c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f76c45327c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f76c4535751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f7653fff700 (LWP 29952)):
#0  0x00007f76c182651c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76c7feb183 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f76c4533730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f76c453786c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f76c45327c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f76c4535751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f7660d09700 (LWP 29951)):
[KCrash Handler]
#6  0x00007f767302a594 in clang::Decl::setInvalidDecl(bool) () at /lib64/../lib64/libclangAST.so.6
#7  0x00007f767302a5e0 in clang::Decl::setInvalidDecl(bool) () at /lib64/../lib64/libclangAST.so.6
#8  0x00007f766839bd83 in clang::ASTDeclReader::VisitDecl(clang::Decl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#9  0x00007f766839c4e5 in clang::ASTDeclReader::VisitNamedDecl(clang::NamedDecl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#10 0x00007f766839c9b5 in clang::ASTDeclReader::VisitValueDecl(clang::ValueDecl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#11 0x00007f766839ca29 in clang::ASTDeclReader::VisitDeclaratorDecl(clang::DeclaratorDecl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#12 0x00007f76683aa500 in clang::ASTDeclReader::VisitVarDeclImpl(clang::VarDecl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#13 0x00007f76683ab3b7 in clang::ASTDeclReader::VisitDecompositionDecl(clang::DecompositionDecl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#14 0x00007f76683b0f35 in clang::ASTDeclReader::Visit(clang::Decl*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#15 0x00007f76683b15a0 in clang::ASTReader::ReadDeclRecord(unsigned int) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#16 0x00007f7668364e25 in clang::ASTReader::GetDecl(unsigned int) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#17 0x00007f76683b2c71 in clang::ASTStmtReader::VisitDeclStmt(clang::DeclStmt*) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#18 0x00007f76683c676d in clang::ASTReader::ReadStmtFromStream(clang::serialization::ModuleFile&) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#19 0x00007f766833212e in clang::ASTReader::GetExternalDeclStmt(unsigned long) () at /lib64/../lib64/../lib64/libclangSerialization.so.6
#20 0x00007f76730224a3 in clang::FunctionDecl::getBody(clang::FunctionDecl const*&) const () at /lib64/../lib64/libclangAST.so.6
#21 0x00007f767344ef9b in clang_getCursorDefinition () at /lib64/libclang.so.6
#22 0x00007f767344f2ed in clang_isCursorDefinition () at /lib64/libclang.so.6
#23 0x00007f7673733d46 in  () at /lib64/libKDevClangPrivate.so.30
#24 0x00007f7673450214 in clang::cxcursor::CursorVisitor::Visit(CXCursor, bool) () at /lib64/libclang.so.6
#25 0x00007f7673453dbd in clang::cxcursor::CursorVisitor::handleDeclForVisitation(clang::Decl const*) () at /lib64/libclang.so.6
#26 0x00007f7673453f6b in clang::cxcursor::CursorVisitor::VisitDeclContext(clang::DeclContext*) () at /lib64/libclang.so.6
#27 0x00007f7673450013 in clang::cxcursor::CursorVisitor::VisitChildren(CXCursor) () at /lib64/libclang.so.6
#28 0x00007f7673458fd0 in clang_visitChildren () at /lib64/libclang.so.6
#29 0x00007f7673719e2c in Builder::visit(CXTranslationUnitImpl*, void*, QHash<void*, KDevelop::ReferencedTopDUContext> const&, bool) () at /lib64/libKDevClangPrivate.so.30
#30 0x00007f7673740cad in ClangHelpers::buildDUChain(void*, QMultiHash<void*, Import> const&, ParseSession const&, KDevelop::TopDUContext::Features, QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*, std::function<bool ()> const&) () at /lib64/libKDevClangPrivate.so.30
#31 0x00007f7673740510 in ClangHelpers::buildDUChain(void*, QMultiHash<void*, Import> const&, ParseSession const&, KDevelop::TopDUContext::Features, QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*, std::function<bool ()> const&) () at /lib64/libKDevClangPrivate.so.30
#32 0x00007f7673740510 in ClangHelpers::buildDUChain(void*, QMultiHash<void*, Import> const&, ParseSession const&, KDevelop::TopDUContext::Features, QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*, std::function<bool ()> const&) () at /lib64/libKDevClangPrivate.so.30
#33 0x00007f76739a94f1 in  () at /usr/lib64/qt5/plugins/kdevplatform/30/kdevclangsupport.so
#34 0x00007f76c453696e in ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#35 0x00007f76c4536f3c in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#36 0x00007f76c4535d64 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#37 0x00007f76c4535803 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#38 0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#39 0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#40 0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f766150a700 (LWP 29950)):
#0  0x00007f76c182651c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76c7feb183 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f76c4533730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f76c453786c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f76c45327c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f76c4535751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f767ad49700 (LWP 29944)):
#0  0x00007f76c7311e54 in read () at /lib64/libc.so.6
#1  0x00007f76bd1120f0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f76bd0cc6bb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f76bd0ccb70 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f76c553db00 in  () at /lib64/libKDevPlatformLanguage.so.52
#9  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f767a548700 (LWP 29940)):
#0  0x00007f76bd11350d in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f76bd0cc5ee in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f76bd0ccb70 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f76c9686d09 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f767b54a700 (LWP 29936)):
#0  0x00007f76c73163e9 in poll () at /lib64/libc.so.6
#1  0x00007f76bd0ccbc6 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f7683761700 (LWP 29934)):
#0  0x00007f76bd11350d in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f76bd0cccdc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#2  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#6  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#7  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f768bd67700 (LWP 29928)):
#0  0x00007f76c73163e9 in poll () at /lib64/libc.so.6
#1  0x00007f76bd0ccbc6 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f76c54343bf in  () at /lib64/libKDevPlatformLanguage.so.52
#7  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f7697fff700 (LWP 29921)):
#0  0x00007f76c73163e9 in poll () at /lib64/libc.so.6
#1  0x00007f76bd0ccbc6 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f76c81cb2ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f76c7fe16b6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f76ce3e37b9 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f769df83700 (LWP 29920)):
#0  0x00007f76c73163e9 in poll () at /lib64/libc.so.6
#1  0x00007f76b931c04f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f76b931dcaa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f76a00fd5a9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f76c7feab4b in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f76ad4b2700 (LWP 29919)):
#0  0x00007f76c182651c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76c7c4b290 in std::condition_variable::wait(std::unique_lock<std::mutex>&) () at /lib64/libstdc++.so.6
#2  0x00007f76bbbe717a in bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() () at /lib64/libQt5WebKit.so.5
#3  0x00007f76bbbe72af in  () at /lib64/libQt5WebKit.so.5
#4  0x00007f76c7c51543 in execute_native_thread_routine () at /lib64/libstdc++.so.6
#5  0x00007f76c1820594 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f76c7320e6f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f76ad4b8980 (LWP 29917)):
#0  0x00007f76c182651c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76b931c252 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f76b931d9bf in wait_for_reply () at /lib64/libxcb.so.1
#3  0x00007f76b931dad6 in xcb_wait_for_reply () at /lib64/libxcb.so.1
#4  0x00007f769ea13e65 in xcb_icccm_get_wm_hints_reply () at /lib64/libxcb-icccm.so.4
#5  0x00007f76a0114dc8 in QXcbWindow::updateDoesNotAcceptFocus(bool) () at /lib64/libQt5XcbQpa.so.5
#6  0x00007f76a0119b0a in QXcbWindow::setWindowFlags(QFlags<Qt::WindowType>) () at /lib64/libQt5XcbQpa.so.5
#7  0x00007f76a011a37b in QXcbWindow::create() () at /lib64/libQt5XcbQpa.so.5
#8  0x00007f76a01053f3 in QXcbIntegration::createPlatformWindow(QWindow*) const () at /lib64/libQt5XcbQpa.so.5
#9  0x00007f76c852b785 in QWindowPrivate::create(bool, unsigned long long) () at /lib64/libQt5Gui.so.5
#10 0x00007f76c8aa483d in QWidgetPrivate::create_sys(unsigned long long, bool, bool) () at /lib64/libQt5Widgets.so.5
#11 0x00007f76c8aa4e85 in QWidget::create(unsigned long long, bool, bool) () at /lib64/libQt5Widgets.so.5
#12 0x00007f76c8ab2027 in QWidget::setVisible(bool) () at /lib64/libQt5Widgets.so.5
#13 0x00007f76c8a97b54 in QToolTip::showText(QPoint const&, QString const&, QWidget*, QRect const&, int) () at /lib64/libQt5Widgets.so.5
#14 0x00007f76c8ab2d7e in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#15 0x00007f76c8c4b0a7 in QToolButton::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007f76c8a73475 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#17 0x00007f76c8a7b5aa in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#18 0x00007f76c817ac36 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#19 0x00007f76c8a7953d in QApplication::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#20 0x00007f76c8a73475 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#21 0x00007f76c8a7ab90 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#22 0x00007f76c817ac36 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#23 0x00007f76c81ca579 in QTimerInfoList::activateTimers() () at /lib64/libQt5Core.so.5
#24 0x00007f76c81cae1c in timerSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#25 0x00007f76bd0cc88d in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#26 0x00007f76bd0ccc58 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#27 0x00007f76bd0cccf0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#28 0x00007f76c81cb293 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#29 0x00007f76a01907c5 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#30 0x00007f76c8179b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f76c8181c46 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#32 0x000055dd00698701 in  ()
#33 0x00007f76c724a11b in __libc_start_main () at /lib64/libc.so.6
#34 0x000055dd00698f0a in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 397045.

Possible duplicates by query: bug 398030, bug 397045.

Reported using DrKonqi
Comment 1 Gianni 2018-10-24 13:24:46 UTC 
After clearing cache and reopening, KDevelop opned ok.
Comment 2 Francis Herne 2018-10-24 13:40:54 UTC 
Thanks for the report.

Do you happen to be using C++17? That was the case in the other two reports of what looks to be the same problem.

*** This bug has been marked as a duplicate of bug 397045 ***