Bug 394456

Summary: Discover crashed when I click on "Applications"
Product: [Applications] Discover Reporter: Romain FLEURETTE <romainfleurette>
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED DUPLICATE    
Severity: normal Keywords: drkonqi
Priority: NOR    
Version: 5.12.5   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Romain FLEURETTE 2018-05-19 21:45:54 UTC 
Application: plasma-discover (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.16.8-300.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
I've clicked on the button "Application" or "Installed", discover freeze few second and crashed
When the bug appear for the first time I have just a firefox window opened

- Custom settings of the application:
I've added the repository dl.flathub.org but even after disable it the application crash

The crash can be reproduced every time.

-- Backtrace:
Application: Découvrir (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f94ccb24e00 (LWP 3484))]

Thread 18 (Thread 0x7f94767fc700 (LWP 3505)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f9480ff9700 (LWP 3501)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f94817fa700 (LWP 3500)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f9481ffb700 (LWP 3499)):
#0  0x00007f94d64cb374 in read () at /lib64/libc.so.6
#1  0x00007f94cff86dd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff415fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f94cff41ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f94cff41c81 in glib_worker_main () at /lib64/libglib-2.0.so.0
#6  0x00007f94cff69cea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#7  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f94827fc700 (LWP 3498)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f9482ffd700 (LWP 3497)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f94837fe700 (LWP 3496)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f9483fff700 (LWP 3495)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f9488adb700 (LWP 3494)):
#0  0x00007f94cff881ed in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f94cff4152e in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff41ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f94d739bc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f94d71989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f9489974700 (LWP 3493)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f949ca94700 (LWP 3492)):
#0  0x00007f94d484e8e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f94d719d736 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f94d719a662 in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#4  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f949d295700 (LWP 3491)):
#0  0x00007f94d64cf929 in poll () at /lib64/libc.so.6
#1  0x00007f94cff41b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f94d739bc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f94d71989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f949da96700 (LWP 3490)):
#0  0x00007f94d64cf929 in poll () at /lib64/libc.so.6
#1  0x00007f94cff41b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f94d739bc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f94d71989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f94a64bb700 (LWP 3489)):
#0  0x00007f94cff88218 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f94cff41a2e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f94d739bc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f94d71989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f94dad50a1a in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f94af5ef700 (LWP 3488)):
#0  0x00007f94d64cf929 in poll () at /lib64/libc.so.6
#1  0x00007f94cff41b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f94d739bc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f94d71989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f94d7d13339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f94b4e77700 (LWP 3487)):
#0  0x00007f94d64cf929 in poll () at /lib64/libc.so.6
#1  0x00007f94cff41b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f94d739bc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f94d71989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f94dba91299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f94bd857700 (LWP 3486)):
#0  0x00007f94d64cf929 in poll () at /lib64/libc.so.6
#1  0x00007f94cf8c704f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f94cf8c8caa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f94c02064d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f94d719d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f94d4848564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f94d64da31f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f94ccb24e00 (LWP 3484)):
[KCrash Handler]
#6  0x00007f948f9a536d in AppStream::Component::name() const () at /lib64/libAppStreamQt.so.2
#7  0x00007f9488f4eb42 in  () at /usr/lib64/qt5/plugins/discover/packagekit-backend.so
#8  0x00007f94da9e6d8d in AbstractResource::nameSortKey() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007f94da9d9cd0 in ResourcesProxyModel::lessThan(AbstractResource*, AbstractResource*) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f94da9d9fd8 in  () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#11 0x00007f94da9dd829 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f94d7373de3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f94da9f6376 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f94da9d599c in AggregatedResultsStream::emitResults() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#15 0x00007f94da9d59d9 in AggregatedResultsStream::clear() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#16 0x00007f94da9d6d87 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#17 0x00007f94d7373de3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#18 0x00007f94d7374413 in QObject::destroyed(QObject*) () at /lib64/libQt5Core.so.5
#19 0x00007f94d737b44f in QObject::~QObject() () at /lib64/libQt5Core.so.5
#20 0x00007f94da9e5c8d in ResultsStream::~ResultsStream() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#21 0x00007f94d7374a48 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007f94d91b5e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#23 0x00007f94d91bd83a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007f94d734b376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#25 0x00007f94d734e09b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#26 0x00007f94d739bec7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#27 0x00007f94cff417cd in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#28 0x00007f94cff41b98 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#29 0x00007f94cff41c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#30 0x00007f94d739bc13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f94c0294065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#32 0x00007f94d734a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#33 0x00007f94d73525b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#34 0x000055f023de0e87 in  ()
#35 0x00007f94d64031bb in __libc_start_main () at /lib64/libc.so.6
#36 0x000055f023de142a in _start ()

Reported using DrKonqi
Comment 1 Aleix Pol 2018-05-21 23:00:30 UTC 

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