I was compiling my CMake project and KDE was crashed, i was opened the documentation viewer. Reproducible: Didn't try Thread 1 (Thread 0x7f48dcf75940 (LWP 3930)): [KCrash Handler] #6 0x0000000000000131 in ?? () #7 0x00007f48f31a06ab in isChildItem (parent=0x436f5b0, child=0x30409b0) at /home/luis/Programas/KDevelop/kdev-platform/project/abstractfilemanagerplugin.cpp:411 #8 0x00007f48f31a07b4 in KDevelop::AbstractFileManagerPlugin::Private::removeFolder (this=0x5acc4c0, folder=0x436f5b0) at /home/luis/Programas/KDevelop/kdev-platform/project/abstractfilemanagerplugin.cpp:420 #9 0x00007f48f319fc33 in KDevelop::AbstractFileManagerPlugin::Private::deleted (this=0x5acc4c0, path_=...) at /home/luis/Programas/KDevelop/kdev-platform/project/abstractfilemanagerplugin.cpp:335 #10 0x00007f48f31a0fee in KDevelop::AbstractFileManagerPlugin::<lambda(const QString&)>::operator()(const QString &) const (__closure=0x7ffcf115d0a0, path_=...) at /home/luis/Programas/KDevelop/kdev-platform/project/abstractfilemanagerplugin.cpp:479 #11 0x00007f48f31a39d1 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<const QString&>, void, KDevelop::AbstractFileManagerPlugin::import(KDevelop::IProject*)::<lambda(const QString&)> >::call(KDevelop::AbstractFileManagerPlugin::<lambda(const QString&)>, void **) (f=..., arg=0x7ffcf115d250) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:494 #12 0x00007f48f31a3865 in QtPrivate::Functor<KDevelop::AbstractFileManagerPlugin::import(KDevelop::IProject*)::<lambda(const QString&)>, 1>::call<QtPrivate::List<QString const&>, void>(KDevelop::AbstractFileManagerPlugin::<lambda(const QString&)> &, void *, void **) (f=..., arg=0x7ffcf115d250) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:551 #13 0x00007f48f31a3782 in QtPrivate::QFunctorSlotObject<KDevelop::AbstractFileManagerPlugin::import(KDevelop::IProject*)::<lambda(const QString&)>, 1, QtPrivate::List<const QString&>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0x5af5620, r=0x5ac4960, a=0x7ffcf115d250, ret=0x0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject_impl.h:192 #14 0x00007f48f5e64187 in QtPrivate::QSlotObjectBase::call (a=0x7ffcf115d250, r=0x5ac4960, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124 #15 QMetaObject::activate (sender=0x5af53e0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3702 #16 0x00007f48f7793d25 in KDirWatch::deleted(QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5 #17 0x00007f48f7794e07 in KDirWatch::setDeleted(QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5 #18 0x00007f48f5e651c1 in QObject::event (this=0x5af53e0, e=<optimized out>) at kernel/qobject.cpp:1245 #19 0x00007f48f6854b8c in QApplicationPrivate::notify_helper (this=this@entry=0x20689a0, receiver=receiver@entry=0x5af53e0, e=e@entry=0x5ed2620) at kernel/qapplication.cpp:3720 #20 0x00007f48f685a230 in QApplication::notify (this=0x7ffcf115da50, receiver=0x5af53e0, e=0x5ed2620) at kernel/qapplication.cpp:3503 #21 0x00007f48f5e33a8b in QCoreApplication::notifyInternal (this=0x7ffcf115da50, receiver=0x5af53e0, event=event@entry=0x5ed2620) at kernel/qcoreapplication.cpp:935 #22 0x00007f48f5e35bc7 in QCoreApplication::sendEvent (event=0x5ed2620, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228 #23 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x205f3e0) at kernel/qcoreapplication.cpp:1552 #24 0x00007f48f5e360f8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410 #25 0x00007f48f5e8aa23 in postEventSourceDispatch (s=0x20a96b0) at kernel/qeventdispatcher_glib.cpp:271 #26 0x00007f48ecea1c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #27 0x00007f48ecea1f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #28 0x00007f48ecea1fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #29 0x00007f48f5e8ae2f in QEventDispatcherGlib::processEvents (this=0x20a5e20, flags=...) at kernel/qeventdispatcher_glib.cpp:418 #30 0x00007f48f5e312ca in QEventLoop::exec (this=this@entry=0x7ffcf115d820, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #31 0x00007f48f5e38e3c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188 #32 0x00000000004196b0 in main (argc=1, argv=0x7ffcf115f968) at /home/luis/Programas/KDevelop/kdevelop/app/main.cpp:636
*** This bug has been marked as a duplicate of bug 349719 ***