Application: kdevelop (5.0.3)

Qt Version: 5.7.1
Frameworks Version: 5.30.0
Operating System: Linux 4.9.0-040900-generic x86_64
Distribution: KDE neon User Edition 5.9

-- Information about the crash:
On my new installation of KDE neon, KDevelop crashes everytime I open a project.
In the settings, it does not even show support for C++.

The crash can be reproduced every time.

-- 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 0x7fb2a2c56900 (LWP 5212))]

Thread 11 (Thread 0x7fb2539a0700 (LWP 5345)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007fb2c00da936 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fb2c00d61ea in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fb2c00d9b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb2b99b66ba in start_thread (arg=0x7fb2539a0700) at pthread_create.c:333
#5  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fb27eb93700 (LWP 5343)):
#0  0x00007fb2b763aa79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb2b75f6372 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb2b75f649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb2c02fa75b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb2c02a50ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb2c00d4f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb2c00d9b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb2b99b66ba in start_thread (arg=0x7fb27eb93700) at pthread_create.c:333
#8  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fb27e392700 (LWP 5242)):
#0  0x00007fb2b763aa79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb2b75f5929 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb2b75f62bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb2b75f649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb2c02fa75b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb2c02a50ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb2c00d4f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb2b5ef2bf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fb2c00d9b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb2b99b66ba in start_thread (arg=0x7fb27e392700) at pthread_create.c:333
#10 0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fb28a1d3700 (LWP 5220)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007fb2c00da936 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fb2bdb23d68 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#3  0x00007fb2c00d9b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb2b99b66ba in start_thread (arg=0x7fb28a1d3700) at pthread_create.c:333
#5  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fb28add2700 (LWP 5219)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb295372cfb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fb295372b68 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fb2b99b66ba in start_thread (arg=0x7fb28add2700) at pthread_create.c:333
#4  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fb28b5d3700 (LWP 5218)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb295372cfb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fb295372b68 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fb2b99b66ba in start_thread (arg=0x7fb28b5d3700) at pthread_create.c:333
#4  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fb28bdd4700 (LWP 5217)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb295372cfb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fb295372b68 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fb2b99b66ba in start_thread (arg=0x7fb28bdd4700) at pthread_create.c:333
#4  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fb28c5d5700 (LWP 5216)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb295372cfb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fb295372b68 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fb2b99b66ba in start_thread (arg=0x7fb28c5d5700) at pthread_create.c:333
#4  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fb28d00e700 (LWP 5215)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb295372cfb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fb295372b68 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fb2b99b66ba in start_thread (arg=0x7fb28d00e700) at pthread_create.c:333
#4  0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fb29eb7d700 (LWP 5214)):
#0  0x00007fb2b763aa94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb2b75f59a0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb2b75f62bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb2b75f649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb2c02fa75b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb2c02a50ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb2c00d4f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb2c2397735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fb2c00d9b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb2b99b66ba in start_thread (arg=0x7fb29eb7d700) at pthread_create.c:333
#10 0x00007fb2bf9e682d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fb2a2c56900 (LWP 5212)):
[KCrash Handler]
#6  0x00007fb28da5e3b4 in llvm::cl::AddLiteralOption(llvm::cl::Option&, char const*) () from /usr/lib/x86_64-linux-gnu/libLLVM-3.9.so.1
#7  0x00007fb24f79eb0a in ?? () from /usr/lib/x86_64-linux-gnu/libLLVM-3.8.so.1
#8  0x00007fb2c222d4ea in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7fff47fe4bb8, env=env@entry=0x2054220) at dl-init.c:72
#9  0x00007fb2c222d5fb in call_init (env=0x2054220, argv=0x7fff47fe4bb8, argc=1, l=<optimized out>) at dl-init.c:30
#10 _dl_init (main_map=main_map@entry=0x3c4fd70, argc=1, argv=0x7fff47fe4bb8, env=0x2054220) at dl-init.c:120
#11 0x00007fb2c2232712 in dl_open_worker (a=a@entry=0x7fff47fe33e0) at dl-open.c:575
#12 0x00007fb2c222d394 in _dl_catch_error (objname=objname@entry=0x7fff47fe33d0, errstring=errstring@entry=0x7fff47fe33d8, mallocedp=mallocedp@entry=0x7fff47fe33cf, operate=operate@entry=0x7fb2c2232300 <dl_open_worker>, args=args@entry=0x7fff47fe33e0) at dl-error.c:187
#13 0x00007fb2c2231bd9 in _dl_open (file=0x2405188 "/usr/lib/x86_64-linux-gnu/qt5/plugins/kdevplatform/25/kdevclangsupport.so", mode=-2147483647, caller_dlopen=0x7fb2c02a3260, nsid=-2, argc=<optimized out>, argv=<optimized out>, env=0x2054220) at dl-open.c:660
#14 0x00007fb2b78bdf09 in dlopen_doit (a=a@entry=0x7fff47fe3610) at dlopen.c:66
#15 0x00007fb2c222d394 in _dl_catch_error (objname=0x2059b90, errstring=0x2059b98, mallocedp=0x2059b88, operate=0x7fb2b78bdeb0 <dlopen_doit>, args=0x7fff47fe3610) at dl-error.c:187
#16 0x00007fb2b78be571 in _dlerror_run (operate=operate@entry=0x7fb2b78bdeb0 <dlopen_doit>, args=args@entry=0x7fff47fe3610) at dlerror.c:163
#17 0x00007fb2b78bdfa1 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#18 0x00007fb2c02a3260 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fb2c029c695 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fb2c10d260a in KPluginLoader::load() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#21 0x00007fb2c10d273a in KPluginLoader::instance() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#22 0x00007fb2c10d278c in KPluginLoader::factory() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#23 0x00007fb2c1efa997 in KDevelop::PluginController::loadPluginInternal(QString const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#24 0x00007fb2c1efc765 in KDevelop::PluginController::allPluginsForExtension(QString const&, QMap<QString, QVariant> const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#25 0x00007fb2c1f3bd5f in KDevelop::LanguageController::languagesForMimetype(QString const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#26 0x00007fb2c1f3c9e2 in KDevelop::LanguageController::languagesForUrl(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#27 0x00007fb2bdaf5153 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#28 0x00007fb2bdaf824e in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#29 0x00007fb2bdaf1c64 in KDevelop::BackgroundParser::parseDocuments() () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#30 0x00007fb2c02d21f6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fb2c02de7a8 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fb2c02d2d53 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fb2c0b85ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fb2c0b8d8c6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fb2c02a70c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fb2c02f968e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fb2c02f9bc1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fb2b75f6197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fb2b75f63f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fb2b75f649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fb2c02fa73f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007fb2c02a50ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007fb2c02ad6cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x000000000040ba9f in main (argc=1, argv=<optimized out>) at /workspace/build/app/main.cpp:763

Reported using DrKonqi