Application: plasma-discover (5.14.2)

Qt Version: 5.11.1
Frameworks Version: 5.51.0
Operating System: Linux 4.18.0-10-generic x86_64
Distribution: Ubuntu 18.10

-- Information about the crash:
- What I was doing when the application crashed:

I had right clicked on the NVIDIA X SErver Settings and selected Manage Application.  Discover immediately opened and crashed.  On reopening, it reported that PackageKit had crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f01ec077c80 (LWP 4641))]

Thread 12 (Thread 0x7f01b5bcf700 (LWP 4696)):
#0  0x00007f01ef44ed90 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f01ef4512b3 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451d7b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f01b67fc700 (LWP 4686)):
#0  0x00007f01f16f5219 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f01e03354b5 in  () at /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#2  0x00007f01e0335143 in  () at /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#3  0x00007f01db2cb30b in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.410.73
#4  0x00007f01db277d3c in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.410.73
#5  0x00007f01db19178e in  () at /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.410.73
#6  0x00007f01e033411d in  () at /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#7  0x00007f01ebaf91d6 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#8  0x00007f01f249d17b in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007f01f34e58f0 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f01f34e9498 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#13 0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f01b6ffd700 (LWP 4685)):
#0  0x00007f01f16ef6d9 in __GI___poll (fds=0x7f01ac053650, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f01ef451e46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f01cd786700 (LWP 4677)):
#0  0x00007f01ef498524 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f01ef45136c in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451d7b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f01cedd5700 (LWP 4648)):
#0  0x00007f01f16ef6d9 in __GI___poll (fds=0x7f01c4003600, nfds=1, timeout=9391) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f01ef451e46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f01cf5d6700 (LWP 4647)):
#0  0x00007f01f16ef6d9 in __GI___poll (fds=0x55b9ab832750, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f01ef451e46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef4521d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01d887f7b6 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f01ef47a135 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f01cfdd7700 (LWP 4646)):
#0  0x00007f01f16ef6d9 in __GI___poll (fds=0x55b9ab81f9e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f01ef451e46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01ef451fb1 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01ef47a135 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f01d951d700 (LWP 4645)):
#0  0x00007f01ef498524 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f01ef45161e in g_main_context_query () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451dc7 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f346a396 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f01e1dff700 (LWP 4644)):
#0  0x00007f01ef498509 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f01ef4519b6 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451ed8 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f22021f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f01e3010700 (LWP 4643)):
#0  0x00007f01f16ef6d9 in __GI___poll (fds=0x7f01dc004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f01ef451e46 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01f1c1415b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f1a100b6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f01f2f2d545 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f01ea5e4700 (LWP 4642)):
#0  0x00007f01f16ef6d9 in __GI___poll (fds=0x7f01ea5e3cb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f01ef375917 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f01ef37753a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f01eb995159 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f01f1a19c87 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f01f07a4164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f01f16fbdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f01ec077c80 (LWP 4641)):
[KCrash Handler]
#6  0x00007f01f1bcb737 in QMetaObject::cast(QObject const*) const () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f01f223db3c in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f01f2244b42 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f01f2244be2 in QQmlDelegateModel::release(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f01f2239759 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f01f2239be6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f01f2239ef0 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f01f223b115 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f01f216a582 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f01f2167863 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f01f21e99c4 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f01f21eaaf0 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f01f21ec0bc in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f01f21e86b3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f01f21bf5e3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f01f215835a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f01f1beb00f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f01f21bf5e3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f01f215835a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f01f1beb00f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f01f21ee296 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f01f2137b55 in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int, QV4::Value*, int) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f01f212b082 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f01f21e282f in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f01f2174d57 in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f01f2175eeb in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f01f21bf5e3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f01f215835a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007f01f1beb00f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f01f2239a76 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007f01f223aeb6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#37 0x00007f01f1beb6db in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f01f223155d in QQmlInstanceModel::createdItem(int, QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#39 0x00007f01f224525d in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007f01f217070f in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#41 0x00007f01f2170baf in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007f01f2244269 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007f01f2244391 in QQmlDelegateModel::object(int, QQmlIncubator::IncubationMode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007f01f223a94a in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#45 0x00007f01f223aed4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#46 0x00007f01f1beb6db in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007f01f22314f6 in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#48 0x00007f01f223c158 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#49 0x00007f01f2241c25 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#50 0x00007f01f2241d98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#51 0x00007f01f2242d51 in QQmlDelegateModel::_q_itemsInserted(int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007f01f2248cf5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#53 0x00007f01f224905b in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#54 0x00007f01f1beb7ac in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007f01f1b7646e in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007f01f1b7df89 in QAbstractItemModel::endInsertRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f01f32f359d in ResourcesProxyModel::sortedInsertion(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#58 0x00007f01f32f4b32 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#59 0x00007f01f1beb830 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#60 0x00007f01f330f4a2 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#61 0x00007f01f32ed474 in AggregatedResultsStream::emitResults() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#62 0x00007f01f32ed4a9 in AggregatedResultsStream::clear() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#63 0x00007f01f32eeb83 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#64 0x00007f01f1beb830 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#65 0x00007f01f1bebd9f in QObject::destroyed(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x00007f01f1bf263f in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#67 0x00007f01f32fe1c9 in ResultsStream::~ResultsStream() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#68 0x00007f01f1bebfb0 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#69 0x00007f01f2a1c4a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#70 0x00007f01f2a23ae0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#71 0x00007f01f1bc2499 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#72 0x00007f01f1bc548b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007f01f1c14b23 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#74 0x00007f01ef451c3e in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007f01ef451ed8 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007f01ef451f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007f01f1c14143 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007f01eba26e51 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#79 0x00007f01f1bc116b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x00007f01f1bc92e2 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#81 0x000055b9a9563b23 in  ()
#82 0x00007f01f160509b in __libc_start_main (main=0x55b9a9563550, argc=2, argv=0x7fff389e1518, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff389e1508) at ../csu/libc-start.c:308
#83 0x000055b9a95640ca in _start ()
[Inferior 1 (process 4641) detached]

Reported using DrKonqi