360580 2016-03-15 20:54:19 +0000 KDE Taskbar crashes when choosing different task manager 2016-03-16 00:57:56 +0000 1 1 4 Plasma plasmashell general 5.4.2 Ubuntu Linux RESOLVED DUPLICATE 342763 drkonqi NOR crash 1.0 0 ema.merico36 kde bshah plasma-bugs-null 0 oldest_to_newest 1582749 0 ema.merico36 2016-03-15 20:54:19 +0000 Application: plasmashell (5.4.2) Qt Version: 5.4.2 Operating System: Linux 4.2.0-34-generic x86_64 Distribution: Ubuntu 15.10 -- Information about the crash: KDE has three defualt task managers for Plasma taskbar. When I try to choose a different task manager layout from "Alternatives..." menu, the taskbar crashes and then restarts, and the crash reporting prompt appears. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fd6fbfd7800 (LWP 1231))] Thread 18 (Thread 0x7fd6e5b54700 (LWP 1233)): #0 0x00007fd6f678288d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fd6fa7c9bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fd6fa7cb74f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fd6e86e9a39 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd6e5b54700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 17 (Thread 0x7fd6defca700 (LWP 1287)): #0 0x00007fd6f677e43d in read () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fd6ef580f75 in ?? () from /usr/lib/nvidia-352/tls/libnvidia-tls.so.352.63 #2 0x00007fd6f35724e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fd6f352ecd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fd6f352f190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fd6f352f2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007fd6f70ac29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fd6f6e703d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fd6f9698f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #10 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007fd6f5f646aa in start_thread (arg=0x7fd6defca700) at pthread_create.c:333 #12 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 16 (Thread 0x7fd6d4617700 (LWP 1290)): #0 0x00007fd6f678288d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fd6f352f1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fd6f352f2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fd6f70ac29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f6e703d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fd6f9698f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fd6f5f646aa in start_thread (arg=0x7fd6d4617700) at pthread_create.c:333 #9 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 15 (Thread 0x7fd6d1d2e700 (LWP 1297)): #0 0x00007fd6f352c2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fd6f352eba2 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fd6f352f190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fd6f352f2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fd6f70ac29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fd6f6e703d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fd6f9698f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fd6f5f646aa in start_thread (arg=0x7fd6d1d2e700) at pthread_create.c:333 #10 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7fd6c3fff700 (LWP 1298)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6fba24114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007fd6fba24159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007fd6f5f646aa in start_thread (arg=0x7fd6c3fff700) at pthread_create.c:333 #4 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7fd640f69700 (LWP 1322)): #0 0x00007fd6f35032f4 in g_ptr_array_set_size () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fd6f352e6d1 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fd6f352f11b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fd6f352f2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fd6f70ac29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fd6f6e703d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fd6fa014ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fd6f5f646aa in start_thread (arg=0x7fd640f69700) at pthread_create.c:333 #10 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7fd639f29700 (LWP 1349)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd639f29700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7fd633fff700 (LWP 1351)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd633fff700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7fd62a56d700 (LWP 1402)): #0 0x00007fd6f3573884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fd6f352f306 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fd6f70ac29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fd6f6e703d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6309628f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #6 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fd6f5f646aa in start_thread (arg=0x7fd62a56d700) at pthread_create.c:333 #8 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7fd61ee32700 (LWP 1585)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd61ee32700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7fd617fff700 (LWP 1605)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd617fff700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7fd6177fe700 (LWP 1606)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd6177fe700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fd61ccc4700 (LWP 1812)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd61ccc4700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fd614cf5700 (LWP 2491)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd614cf5700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fd601302700 (LWP 3465)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd601302700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fd6037ff700 (LWP 3466)): #0 0x00007fd6f677e44d in read () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fd6ef580f75 in ?? () from /usr/lib/nvidia-352/tls/libnvidia-tls.so.352.63 #2 0x00007fd6f35724e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fd6f352ecd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fd6f352f190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fd6f352f2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007fd6f70ac29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fd6f6e703d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fd6f9698f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #10 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007fd6f5f646aa in start_thread (arg=0x7fd6037ff700) at pthread_create.c:333 #12 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fd5fbfff700 (LWP 3467)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fd6f6e7655b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fd6fa087b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fd6fa0883c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fd6f6e752be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fd6f5f646aa in start_thread (arg=0x7fd5fbfff700) at pthread_create.c:333 #6 0x00007fd6f678de9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7fd6fbfd7800 (LWP 1231)): [KCrash Handler] #6 0x00007fd6f705c760 in QMetaObject::methodOffset() const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fd6f7085fbb in QMetaObject::activate(QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fd6f947ee72 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007fd6f96ddc2a in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #10 0x00007fd6f970422c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #11 0x00007fd6f9704605 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #12 0x00007fd6f7085940 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007fd6f70fc64c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007fd63b399fd4 in TaskManager::TasksModelPrivate::itemChanged (this=0x5c46e80, changes=...) at ../../libtaskmanager/tasksmodel.cpp:521 #15 0x00007fd63b39b247 in TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fffa727c3f0) at ./moc_tasksmodel.cpp:213 #16 0x00007fd6f708578a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007fd63b3a31a8 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at moc_abstractgroupableitem.cpp:222 #18 0x00007fd63b390620 in TaskManager::TaskItemPrivate::filterChange (change=..., this=<optimized out>) at ../../libtaskmanager/taskitem.cpp:73 #19 TaskManager::TaskItem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskitem.cpp:146 #20 0x00007fd6f708578a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007fd63b3a3398 in TaskManager::Task::changed (this=this@entry=0x28d7950, _t1=...) at moc_task.cpp:354 #22 0x00007fd63b382a6b in TaskManager::Task::setActive (this=0x28d7950, a=<optimized out>) at ../../libtaskmanager/task.cpp:178 #23 0x00007fd63b39642c in TaskManager::TaskManager::activeWindowChanged (this=0x7fd63b5c0f80 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=<optimized out>) at ../../libtaskmanager/taskmanager.cpp:412 #24 0x00007fd63b3986e7 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:175 #25 0x00007fd6f708578a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007fd6f91c4ec2 in KWindowSystem::activeWindowChanged (this=this@entry=0x7fd6f93d3c00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, _t1=100663509) at moc_kwindowsystem.cpp:302 #27 0x00007fd6df1de1e1 in NETEventFilter::nativeEventFilter (this=0x2cfdd90, ev=0x7fd6e0003b30) at ../../../../src/platforms/xcb/kwindowsystem.cpp:208 #28 0x00007fd6f70518ef in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #29 0x00007fd6e86eb35e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #30 0x00007fd6e86ec3b3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #31 0x00007fd6f7086651 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007fd6f7b32b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #33 0x00007fd6f7b38230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #34 0x00007fd6f7054f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #35 0x00007fd6f7057057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #36 0x00007fd6f70abe73 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007fd6f352eff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #38 0x00007fd6f352f250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #39 0x00007fd6f352f2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #40 0x00007fd6f70ac27f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #41 0x00007fd6f705275a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #42 0x00007fd6f705a2cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #43 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176 Possible duplicates by query: bug 360375, bug 360368, bug 360088, bug 359884, bug 359852. Reported using DrKonqi 1582797 1 kde 2016-03-16 00:57:56 +0000 *** This bug has been marked as a duplicate of bug 342763 ***