https://bugs.kde.org/show_bug.cgi?id=406847

            Bug ID: 406847
           Summary: KDevelop SIGSEGV
           Product: kdevelop
           Version: 5.2.1
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdevelop-bugs-n...@kde.org
          Reporter: patrizio.bertoni...@gmail.com
  Target Milestone: ---

Application: kdevelop (5.2.1)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-47-generic x86_64
Distribution: Ubuntu 18.04.2 LTS

-- Information about the crash:
Moving a project inside filesystem (KDevelop closes awhile); then reopened,
build configuration had old build path cached, trying to adding a new build
config, SIGSEGV

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9bddd4f940 (LWP 12824))]

Thread 16 (Thread 0x7f9b0effd700 (LWP 12954)):
#0  0x00007f9bda3debf9 in __GI___poll (fds=0x7f9b04004fd0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bd12c1539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9b6cb3b3c5 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b0effd700) at
pthread_create.c:463
#9  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f9b327fc700 (LWP 12941)):
#0  0x00007f9bd3b759f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c7c9b493a4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bd3b759f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7c9b49350, cond=0x55c7c9b49378) at pthread_cond_wait.c:502
#2  0x00007f9bd3b759f3 in __pthread_cond_wait (cond=0x55c7c9b49378,
mutex=0x55c7c9b49350) at pthread_cond_wait.c:655
#3  0x00007f9bdaaf15ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bcf8f2ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f9bcf8f6ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f9bcf8f1c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f9bcf8f6c02 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f9bcf8f1c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f9bcf8f4a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9bd3b6f6db in start_thread (arg=0x7f9b327fc700) at
pthread_create.c:463
#12 0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9b32ffd700 (LWP 12940)):
#0  0x00007f9b7e45ca0a in clang_getCursorLocation () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#1  0x00007f9b7fd99c47 in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#2  0x00007f9b7e46cc00 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#3  0x00007f9b7e46da72 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#4  0x00007f9b7e46dfc9 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#5  0x00007f9b7e46c93e in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#6  0x00007f9b7e4751e7 in clang_visitChildren () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#7  0x00007f9b7fd82acc in Builder::visit(CXTranslationUnitImpl*, void*,
QHash<void*, KDevelop::ReferencedTopDUContext> const&, bool) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#8  0x00007f9b7fda9835 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#9  0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#10 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#11 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#12 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#13 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#14 0x00007f9b841b79f5 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kdevplatform/30/kdevclangsupport.so
#15 0x00007f9bcf8f5d8a in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f9bcf8f6368 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f9bcf8f4fd0 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f9bcf8f4b2d in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f9bd3b6f6db in start_thread (arg=0x7f9b32ffd700) at
pthread_create.c:463
#21 0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9b337fe700 (LWP 12939)):
#0  0x00007f9bd3b759f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c7c9b493a4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bd3b759f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7c9b49350, cond=0x55c7c9b49378) at pthread_cond_wait.c:502
#2  0x00007f9bd3b759f3 in __pthread_cond_wait (cond=0x55c7c9b49378,
mutex=0x55c7c9b49350) at pthread_cond_wait.c:655
#3  0x00007f9bdaaf15ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bcf8f2ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f9bcf8f6ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f9bcf8f1c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f9bcf8f4a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b337fe700) at
pthread_create.c:463
#10 0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f9b33fff700 (LWP 12938)):
#0  0x00007f9bd853235f in  () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#1  0x00007f9bd852a8ae in KDevelop::Identifier::makeConstant() const () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#2  0x00007f9bd852aad9 in KDevelop::Identifier::index() const () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#3  0x00007f9bd852ac1c in
KDevelop::IndexedIdentifier::IndexedIdentifier(KDevelop::Identifier const&) ()
at /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#4  0x00007f9bd8534169 in  () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#5  0x00007f9bd852d0cf in
KDevelop::QualifiedIdentifier::QualifiedIdentifier(QString const&, bool) () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#6  0x00007f9bd852d167 in
KDevelop::IndexedTypeIdentifier::IndexedTypeIdentifier(QString const&, bool) ()
at /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#7  0x00007f9b7fd8027b in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#8  0x00007f9b7fd7f74c in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#9  0x00007f9b7fd7d29c in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#10 0x00007f9b7fd8075e in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#11 0x00007f9b7fd9cc20 in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#12 0x00007f9b7e46cc00 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#13 0x00007f9b7e46c11d in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#14 0x00007f9b7e46c30b in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#15 0x00007f9b7e46c619 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#16 0x00007f9b7e4751e7 in clang_visitChildren () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#17 0x00007f9b7fd94155 in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#18 0x00007f9b7fd99fd0 in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#19 0x00007f9b7e46cc00 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#20 0x00007f9b7e46c11d in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#21 0x00007f9b7e46c30b in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#22 0x00007f9b7e46c619 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#23 0x00007f9b7e4751e7 in clang_visitChildren () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#24 0x00007f9b7fd85f97 in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#25 0x00007f9b7fd9a736 in  () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#26 0x00007f9b7e46cc00 in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#27 0x00007f9b7e46c11d in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#28 0x00007f9b7e46c30b in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#29 0x00007f9b7e46c90b in  () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#30 0x00007f9b7e4751e7 in clang_visitChildren () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#31 0x00007f9b7fd82acc in Builder::visit(CXTranslationUnitImpl*, void*,
QHash<void*, KDevelop::ReferencedTopDUContext> const&, bool) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#32 0x00007f9b7fda9835 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#33 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#34 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#35 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#36 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#37 0x00007f9b7fda9160 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at
/usr/lib/x86_64-linux-gnu/libKDevClangPrivate.so.30
#38 0x00007f9b841b79f5 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kdevplatform/30/kdevclangsupport.so
#39 0x00007f9bcf8f5d8a in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#40 0x00007f9bcf8f6368 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#41 0x00007f9bcf8f4fd0 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#42 0x00007f9bcf8f4b2d in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#43 0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f9bd3b6f6db in start_thread (arg=0x7f9b33fff700) at
pthread_create.c:463
#45 0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9b54be3700 (LWP 12937)):
#0  0x00007f9bd3b759f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c7c9b493a4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bd3b759f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7c9b49350, cond=0x55c7c9b49378) at pthread_cond_wait.c:502
#2  0x00007f9bd3b759f3 in __pthread_cond_wait (cond=0x55c7c9b49378,
mutex=0x55c7c9b49350) at pthread_cond_wait.c:655
#3  0x00007f9bdaaf15ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bcf8f2ad5 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f9bcf8f6ba8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f9bcf8f1c8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f9bcf8f4a6b in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b54be3700) at
pthread_create.c:463
#10 0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9b852cd700 (LWP 12843)):
#0  0x00007f9bda3debf9 in __GI___poll (fds=0x7f9b780051c0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bd12c1539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9bd85e9a0f in  () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#7  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b852cd700) at
pthread_create.c:463
#9  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9b86b7d700 (LWP 12839)):
#0  0x00007f9bd1307049 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9bd12c03e0 in g_main_context_acquire () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bd12c13f5 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b86b7d700) at
pthread_create.c:463
#9  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9b8f539700 (LWP 12832)):
#0  0x00007f9bda3debf9 in __GI___poll (fds=0x7f9b88004e10, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bd12c1539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b8f539700) at
pthread_create.c:463
#8  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9b9b58f700 (LWP 12830)):
#0  0x00007f9bda3debf9 in __GI___poll (fds=0x7f9b90003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bd12c1539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9bd35fe6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bd3b6f6db in start_thread (arg=0x7f9b9b58f700) at
pthread_create.c:463
#9  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9ba12e5700 (LWP 12829)):
#0  0x00007f9bda3debf9 in __GI___poll (fds=0x7f9b94004b80, nfds=1,
timeout=198181) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bd12c1539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9bd84e191b in  () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#7  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bd3b6f6db in start_thread (arg=0x7f9ba12e5700) at
pthread_create.c:463
#9  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9ba20d5700 (LWP 12828)):
#0  0x00007f9bd3b759f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c7c99ba548) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bd3b759f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7c99ba4f8, cond=0x55c7c99ba520) at pthread_cond_wait.c:502
#2  0x00007f9bd3b759f3 in __pthread_cond_wait (cond=0x55c7c99ba520,
mutex=0x55c7c99ba4f8) at pthread_cond_wait.c:655
#3  0x00007f9ba325adcb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9ba325aaf7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f9bd3b6f6db in start_thread (arg=0x7f9ba20d5700) at
pthread_create.c:463
#6  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9baffff700 (LWP 12827)):
#0  0x00007f9bdaae7a1f in QMutex::unlock() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9bdad278ef in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9bd12c0a98 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9bd12c146b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9bdad279bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9bdaaeb23a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bdca2fd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9bd3b6f6db in start_thread (arg=0x7f9baffff700) at
pthread_create.c:463
#11 0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9bb6aaf700 (LWP 12826)):
#0  0x00007f9bda3debf9 in __GI___poll (fds=0x7f9bb6aaeb68, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9bca504747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9bca50636a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9bb96552a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f9bdaaf017d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9bd3b6f6db in start_thread (arg=0x7f9bb6aaf700) at
pthread_create.c:463
#6  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9bba8c5700 (LWP 12825)):
#0  0x00007f9bd3b759f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f9bcf422110) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9bd3b759f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55c7c9767a30, cond=0x7f9bcf4220e8) at pthread_cond_wait.c:502
#2  0x00007f9bd3b759f3 in __pthread_cond_wait (cond=0x7f9bcf4220e8,
mutex=0x55c7c9767a30) at pthread_cond_wait.c:655
#3  0x00007f9bda77279c in
std::condition_variable::wait(std::unique_lock<std::mutex>&) () at
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f9bce7630a7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f9bce7631e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f9bda77857f in  () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x00007f9bd3b6f6db in start_thread (arg=0x7f9bba8c5700) at
pthread_create.c:463
#8  0x00007f9bda3eb88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9bddd4f940 (LWP 12824)):
[KCrash Handler]
#6  0x00007f9bdd3c2103 in  () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformUtil.so.52
#7  0x00007f9bdd3c1976 in KDevelop::Path::Path(KDevelop::Path const&, QString
const&) () at /usr/lib/x86_64-linux-gnu/libKDevPlatformUtil.so.52
#8  0x00007f9bd7b10903 in KDevelop::ProjectBaseItem::path() const () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformProject.so.52
#9  0x00007f9bd7b2f4ec in  () at
/usr/lib/x86_64-linux-gnu/libKDevPlatformProject.so.52
#10 0x00007f9bdacfe1d2 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9bdba4c83c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f9bdba54104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f9bdacce9e8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f9bdacd115d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f9bdad28373 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f9bd12c1387 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f9bd12c15c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f9bd12c164c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f9bdad2799f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f9bdaccca1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f9bdacd5ac4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x000055c7c868e4f7 in  ()
#23 0x00007f9bda2ebb97 in __libc_start_main (main=0x55c7c8688400, argc=1,
argv=0x7ffc2a73f298, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc2a73f288) at ../csu/libc-start.c:310
#24 0x000055c7c868ea7a in _start ()

Reported using DrKonqi

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