Bug 394220

Summary: falha aplcativo
Product: [Applications] Discover Reporter: pretomisturado
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED DUPLICATE    
Severity: crash CC: geospyr2001
Priority: NOR Keywords: drkonqi
Version: 5.12.5   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description pretomisturado 2018-05-13 20:55:24 UTC 
Application: plasma-discover (5.12.5)
 (Compiled from sources)
Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.16.7-300.fc28.x86_64 x86_64
Distribution: "Fedora release 28 (Twenty Eight)"

-- Information about the crash:
- Unusual behavior I noticed:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f286ec08e00 (LWP 8718))]

Thread 10 (Thread 0x7f281aeb9700 (LWP 8732)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f281c6e0700 (LWP 8730)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f282e988700 (LWP 8727)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f282f189700 (LWP 8726)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4ec2 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007f2830ad160a in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007f28631fccea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f282f9a7700 (LWP 8725)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f28631d4c81 in glib_worker_main () at /lib64/libglib-2.0.so.0
#4  0x00007f28631fccea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f283d676700 (LWP 8724)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286dfe3a1a in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f2846eb1700 (LWP 8722)):
#0  0x00007f28631d4432 in g_main_context_check () at /lib64/libglib-2.0.so.0
#1  0x00007f28631d4ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286afa6339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f28480c2700 (LWP 8721)):
#0  0x00007f286a62e44b in qt_gettime() () at /lib64/libQt5Core.so.5
#1  0x00007f286a62cf2d in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#2  0x00007f286a62d339 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#3  0x00007f286a62e8fc in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib64/libQt5Core.so.5
#4  0x00007f286a62e9a2 in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#5  0x00007f28631d4049 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#6  0x00007f28631d4a3b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#7  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#8  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#9  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#11 0x00007f286ed10299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#12 0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f2850ab6700 (LWP 8720)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f2862b5a04f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f2862b5bcaa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f28534644d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f286ec08e00 (LWP 8718)):
[KCrash Handler]
#6  0x00007f283125936d in AppStream::Component::name() const () at /lib64/libAppStreamQt.so.2
#7  0x00007f28316e4b42 in  () at /usr/lib64/qt5/plugins/discover/packagekit-backend.so
#8  0x00007f286dc79d8d in AbstractResource::nameSortKey() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007f286dc6ccc5 in ResourcesProxyModel::lessThan(AbstractResource*, AbstractResource*) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f286dc6cf35 in  () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#11 0x00007f286dc70829 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f286a606de3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f286dc89376 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f286dc6899c in AggregatedResultsStream::emitResults() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#15 0x00007f286dc689d9 in AggregatedResultsStream::clear() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#16 0x00007f286dc69d87 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#17 0x00007f286a606de3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#18 0x00007f286a607413 in QObject::destroyed(QObject*) () at /lib64/libQt5Core.so.5
#19 0x00007f286a60e44f in QObject::~QObject() () at /lib64/libQt5Core.so.5
#20 0x00007f286dc78c8d in ResultsStream::~ResultsStream() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#21 0x00007f286a607a48 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007f286c448e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#23 0x00007f286c45083a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007f286a5de376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#25 0x00007f286a5e109b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#26 0x00007f286a62eec7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#27 0x00007f28631d47cd in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#28 0x00007f28631d4b98 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#29 0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#30 0x00007f286a62ec13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f28534f2065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#32 0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#33 0x00007f286a5e55b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#34 0x000055b139677e87 in  ()
#35 0x00007f28696961bb in __libc_start_main () at /lib64/libc.so.6
#36 0x000055b13967842a in _start ()

The crash can be reproduced sometimes.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f286ec08e00 (LWP 8718))]

Thread 10 (Thread 0x7f281aeb9700 (LWP 8732)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f281c6e0700 (LWP 8730)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f282e988700 (LWP 8727)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f282f189700 (LWP 8726)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4ec2 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007f2830ad160a in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007f28631fccea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f282f9a7700 (LWP 8725)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f28631d4c81 in glib_worker_main () at /lib64/libglib-2.0.so.0
#4  0x00007f28631fccea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f283d676700 (LWP 8724)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f28631d4b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286dfe3a1a in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f2846eb1700 (LWP 8722)):
#0  0x00007f28631d4432 in g_main_context_check () at /lib64/libglib-2.0.so.0
#1  0x00007f28631d4ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f286afa6339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f28480c2700 (LWP 8721)):
#0  0x00007f286a62e44b in qt_gettime() () at /lib64/libQt5Core.so.5
#1  0x00007f286a62cf2d in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#2  0x00007f286a62d339 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#3  0x00007f286a62e8fc in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib64/libQt5Core.so.5
#4  0x00007f286a62e9a2 in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#5  0x00007f28631d4049 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#6  0x00007f28631d4a3b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#7  0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#8  0x00007f286a62ec2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#9  0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007f286a42b9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#11 0x00007f286ed10299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#12 0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f2850ab6700 (LWP 8720)):
#0  0x00007f2869762929 in poll () at /lib64/libc.so.6
#1  0x00007f2862b5a04f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f2862b5bcaa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f28534644d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f286a43011d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f2867adb564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f286976d31f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f286ec08e00 (LWP 8718)):
[KCrash Handler]
#6  0x00007f283125936d in AppStream::Component::name() const () at /lib64/libAppStreamQt.so.2
#7  0x00007f28316e4b42 in  () at /usr/lib64/qt5/plugins/discover/packagekit-backend.so
#8  0x00007f286dc79d8d in AbstractResource::nameSortKey() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007f286dc6ccc5 in ResourcesProxyModel::lessThan(AbstractResource*, AbstractResource*) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f286dc6cf35 in  () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#11 0x00007f286dc70829 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f286a606de3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f286dc89376 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f286dc6899c in AggregatedResultsStream::emitResults() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#15 0x00007f286dc689d9 in AggregatedResultsStream::clear() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#16 0x00007f286dc69d87 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#17 0x00007f286a606de3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#18 0x00007f286a607413 in QObject::destroyed(QObject*) () at /lib64/libQt5Core.so.5
#19 0x00007f286a60e44f in QObject::~QObject() () at /lib64/libQt5Core.so.5
#20 0x00007f286dc78c8d in ResultsStream::~ResultsStream() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#21 0x00007f286a607a48 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007f286c448e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#23 0x00007f286c45083a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007f286a5de376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#25 0x00007f286a5e109b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#26 0x00007f286a62eec7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#27 0x00007f28631d47cd in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#28 0x00007f28631d4b98 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#29 0x00007f28631d4c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#30 0x00007f286a62ec13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f28534f2065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#32 0x00007f286a5dd12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#33 0x00007f286a5e55b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#34 0x000055b139677e87 in  ()
#35 0x00007f28696961bb in __libc_start_main () at /lib64/libc.so.6
#36 0x000055b13967842a in _start ()

Reported using DrKonqi
Comment 1 Aleix Pol 2018-05-14 12:40:26 UTC 
There's nothing I can do with this issue.

Please provide debug symbols and some way to reproduce the issue.
Comment 2 geospyr2001 2018-05-17 21:53:20 UTC 
Created attachment 112721 [details]
New crash information added by DrKonqi

plasma-discover (5.12.5) using Qt 5.10.1

Plasma discover is crashing every time I'm trying to see the installed applications, at the option "installed"

-- Backtrace (Reduced):
#6  0x00007f685dd4b36d in AppStream::Component::name() const () from /lib64/libAppStreamQt.so.2
[...]
#8  0x00007f689a55ed8d in AbstractResource::nameSortKey() () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007f689a551cd0 in ResourcesProxyModel::lessThan(AbstractResource*, AbstractResource*) const () from /usr/lib64/plasma-discover/libDiscoverCommon.so
[...]
#11 0x00007f689a555829 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f6896eebde3 in QtPrivate::QSlotObjectBase::call (a=0x7ffcf958a940, r=0x564aae67de20, this=0x564aae6ee5e0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
Comment 3 Aleix Pol 2018-05-18 22:56:27 UTC 

*** This bug has been marked as a duplicate of bug 394048 ***