Application: plasma-discover (5.13.1)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.9.0-3-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
I tried starting the application two ways: with left-click on "Print Settings" in launcher menu, which produced an icon in the system tray for one second, then nothing.  Then I tried right-click on the same launcher item and selected "Manage Print Settings", which tried longer to open but still crashed.
- Unusual behavior I noticed:
No output is produced with the left click: no error message.  The right click produces some notification popups that report errors.

The crash can be reproduced every time.

-- 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 0x7f281cb58300 (LWP 25960))]

Thread 12 (Thread 0x7f27d1338700 (LWP 25980)):
#0  0x00007f282135acf4 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2821314c39 in g_main_context_query () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f28213153b7 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2822cd4f2a in start_thread (arg=0x7f27d1338700) at pthread_create.c:463
#9  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f27d1b39700 (LWP 25974)):
#0  0x00007f282135acf4 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2821314988 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f282131536b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2822cd4f2a in start_thread (arg=0x7f27d1b39700) at pthread_create.c:463
#9  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f27d313d700 (LWP 25972)):
#0  0x00007f282135acd9 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2821314b81 in g_main_context_query () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f28213153b7 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f28213157d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f27e10cde26 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f282133ce05 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f2822cd4f2a in start_thread (arg=0x7f27d313d700) at pthread_create.c:463
#7  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f27d393e700 (LWP 25971)):
#0  0x00007f282135acd9 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f28213142e0 in g_main_context_acquire () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f28213152f5 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2821315591 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f282133ce05 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f2822cd4f2a in start_thread (arg=0x7f27d393e700) at pthread_create.c:463
#7  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f27e3903700 (LWP 25968)):
#0  0x00007f28261b7739 in __GI___poll (fds=0x7f27dc11d910, nfds=1, timeout=48347) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2821315439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2822cd4f2a in start_thread (arg=0x7f27e3903700) at pthread_create.c:463
#8  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f27e8f03700 (LWP 25967)):
#0  0x00007f282a6bd025 in update_get_addr (ti=0x7f2826b05690) at ../elf/dl-tls.c:802
#1  0x00007f282a6c2288 in __tls_get_addr () at ../sysdeps/x86_64/tls_get_addr.S:55
#2  0x00007f28264ba9b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f28266fd0ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2821314998 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f282131536b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2822cd4f2a in start_thread (arg=0x7f27e8f03700) at pthread_create.c:463
#12 0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f27fa698700 (LWP 25966)):
#0  0x00007f28213148e7 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f282131536b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28298d8586 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2822cd4f2a in start_thread (arg=0x7f27fa698700) at pthread_create.c:463
#9  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f27fbab4700 (LWP 25965)):
#0  0x00007f2822cdae6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557a35094e90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2822cdae6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x557a35094e40, cond=0x557a35094e68) at pthread_cond_wait.c:502
#2  0x00007f2822cdae6c in __pthread_cond_wait (cond=0x557a35094e68, mutex=0x557a35094e40) at pthread_cond_wait.c:655
#3  0x00007f28054f3a6b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f28054f3797 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f2822cd4f2a in start_thread (arg=0x7f27fbab4700) at pthread_create.c:463
#6  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f27fc3f6700 (LWP 25964)):
#0  0x00007f2822cdae6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557a35181424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2822cdae6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x557a351813d0, cond=0x557a351813f8) at pthread_cond_wait.c:502
#2  0x00007f2822cdae6c in __pthread_cond_wait (cond=0x557a351813f8, mutex=0x557a351813d0) at pthread_cond_wait.c:655
#3  0x00007f28054f3a6b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f28054f3797 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f2822cd4f2a in start_thread (arg=0x7f27fc3f6700) at pthread_create.c:463
#6  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f280f34e700 (LWP 25963)):
#0  0x00007f28261b7739 in __GI___poll (fds=0x7f2800004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2821315439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28270ac885 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2822cd4f2a in start_thread (arg=0x7f280f34e700) at pthread_create.c:463
#9  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f281055f700 (LWP 25962)):
#0  0x00007f282135acd9 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f28213153fe in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f28266fd1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f28264b67ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28283d3df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f28264bbb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2822cd4f2a in start_thread (arg=0x7f281055f700) at pthread_create.c:463
#9  0x00007f28261c1edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f281cb58300 (LWP 25960)):
[KCrash Handler]
#6  0x0000000000000000 in  ()
#7  0x00007f28266abd49 in QMetaObject::cast(QObject const*) const () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f28270cc7c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f28270d38e2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f28270d3982 in QQmlDelegateModel::release(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f28270f5464 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f28270f5925 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f28270f5c9b in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f28270f6e1d in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f2827015de2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f282701344c in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f2827093cf4 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f28270950f8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f28270961ae in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f2827092c93 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f2827068223 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f28270039e9 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f28266d19cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f2827068223 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f28270039e9 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f28266d19cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f2827098a4e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f2826ff423d in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f27d25a8285 in  ()
#30 0x0000557a38e797d8 in  ()
#31 0x251785dcb3025b00 in  ()
#32 0x0000557a38de2c00 in  ()
#33 0x0000557a3578aed0 in  ()
#34 0x0000557a3539c390 in  ()
#35 0x00007ffce897c900 in  ()
#36 0x0000557a3578af88 in  ()
#37 0x00007ffce897ca60 in  ()
#38 0x0000557a34f730d0 in  ()
#39 0x0000557a34f730d0 in  ()
#40 0x0000557a38220ea0 in  ()
#41 0x00007f2826f3ef46 in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007f282708b909 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*, QV4::Scope&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007f2827020c5e in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007f28270222cb in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#45 0x00007f2827068223 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#46 0x00007f28270039e9 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#47 0x00007f28266d19cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f28270f57d0 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#49 0x00007f28270f6c06 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#50 0x00007f28266d2195 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f28270ece7d in QQmlInstanceModel::createdItem(int, QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007f28270d3c4a in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#53 0x00007f282701c42f in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#54 0x00007f282701c87c in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#55 0x00007f28270d30c6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#56 0x00007f28270d31e1 in QQmlDelegateModel::object(int, QQmlIncubator::IncubationMode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#57 0x00007f28270f6659 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#58 0x00007f28270f6c24 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#59 0x00007f28266d2195 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#60 0x00007f28270ece16 in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#61 0x00007f28270caf08 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#62 0x00007f28270d099f in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#63 0x00007f28270d0b24 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#64 0x00007f28270d1b98 in QQmlDelegateModel::_q_itemsInserted(int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#65 0x00007f28270d7725 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#66 0x00007f28270d7ba5 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#67 0x00007f28266d2259 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#68 0x00007f282663cc2e in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#69 0x00007f28266442ab in QAbstractItemModel::endInsertRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007f2829568512 in ResourcesProxyModel::sortedInsertion(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#71 0x00007f282956aab2 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#72 0x00007f28266d22af in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007f2829583fa2 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#74 0x00007f2829562b40 in AggregatedResultsStream::emitResults() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#75 0x00007f2829562b99 in AggregatedResultsStream::clear() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#76 0x00007f2829563d13 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#77 0x00007f28266d22af in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007f28266d290f in QObject::destroyed(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007f28266d90ca in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x00007f28295733f9 in ResultsStream::~ResultsStream() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#81 0x00007f28266d2d20 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#82 0x00007f2827cc66cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#83 0x00007f2827ccde84 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#84 0x00007f28266a2938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#85 0x00007f28266a54cd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#86 0x00007f28266fdb73 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#87 0x00007f2821315287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#88 0x00007f28213154c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#89 0x00007f282131554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#90 0x00007f28266fd19f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#91 0x00007f281c4c92c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#92 0x00007f28266a0b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#93 0x00007f28266a9ed4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#94 0x0000557a33eab458 in  ()
#95 0x00007f28260ecb17 in __libc_start_main (main=0x557a33eaab80, argc=2, argv=0x7ffce897fdd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffce897fdc8) at ../csu/libc-start.c:310
#96 0x0000557a33eab6da in _start ()

Reported using DrKonqi