https://bugs.kde.org/show_bug.cgi?id=382871
Bug ID: 382871
Summary: Discover crashes on startup
Product: Discover
Version: 5.10.1
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: discover
Assignee: aleix...@kde.org
Reporter: kde...@gmail.com
Target Milestone: ---
Discover crashes on startup
Fedora 26 KDE running from usb
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f38be6c28c0 (LWP 1917))]
Thread 10 (Thread 0x7f387c96b700 (LWP 1928)):
#0 0x00007f38b83fed1a in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f38ba4ae823 in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007f38ba4ab2bf in QThreadPoolThread::run() () from
/lib64/libQt5Core.so.5
#3 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#4 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#5 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 9 (Thread 0x7f387d787700 (LWP 1927)):
#0 0x00007f38b83fed1a in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f38ba4ae823 in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007f38ba4ab2bf in QThreadPoolThread::run() () from
/lib64/libQt5Core.so.5
#3 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#4 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#5 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x7f387df88700 (LWP 1926)):
#0 0x00007f38b2be64a9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1 0x00007f38b2ba0ad6 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007f38b2ba149b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007f38b2ba167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007f38ba6a4d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007f38ba654b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007f38ba4a9efa in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#9 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7f387e7d1700 (LWP 1925)):
#0 0x00007f38b9889aad in poll () from /lib64/libc.so.6
#1 0x00007f38b2ba1569 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007f38b2ba167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007f38ba6a4d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007f38ba654b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007f38ba4a9efa in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#8 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7f38853c0700 (LWP 1923)):
#0 0x00007f38b2be64a9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1 0x00007f38b2ba1470 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007f38b2ba167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007f38ba6a4d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007f38ba654b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007f38ba4a9efa in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007f38bdd4dff6 in QQuickPixmapReader::run() () from
/lib64/libQt5Quick.so.5
#7 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#9 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7f3899c2f700 (LWP 1922)):
#0 0x00007f38b83fe81b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f3889ea675b in util_queue_thread_func () from
/usr/lib64/dri/nouveau_dri.so
#2 0x00007f3889ea6497 in impl_thrd_routine () from
/usr/lib64/dri/nouveau_dri.so
#3 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#4 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f389b234700 (LWP 1920)):
#0 0x00007f38b98851ad in read () from /lib64/libc.so.6
#1 0x00007f38b2be5170 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2 0x00007f38b2ba1078 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3 0x00007f38b2ba1510 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4 0x00007f38b2ba167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5 0x00007f38ba6a4d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#6 0x00007f38ba654b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#7 0x00007f38ba4a9efa in QThread::exec() () from /lib64/libQt5Core.so.5
#8 0x00007f38baf5e9b5 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#9 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#10 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#11 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f389c445700 (LWP 1919)):
#0 0x00007f38b2be64a9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1 0x00007f38b2ba0ad6 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007f38b2ba149b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007f38b2ba167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007f38ba6a4d0b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007f38ba654b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007f38ba4a9efa in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007f38be810709 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#8 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#10 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f38a4b22700 (LWP 1918)):
#0 0x00007f38b9889aad in poll () from /lib64/libc.so.6
#1 0x00007f38b249fc97 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2 0x00007f38b24a1a8a in xcb_wait_for_event () from /lib64/libxcb.so.1
#3 0x00007f38a91e9b99 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4 0x00007f38ba4ae1ee in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007f38b83f836d in start_thread () from /lib64/libpthread.so.0
#6 0x00007f38b9895b9f in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f38be6c28c0 (LWP 1917)):
[KCrash Handler]
#6 0x00007f386fde65fd in FlatpakBackend::setupFlatpakInstallations(_GError**)
() from /usr/lib64/qt5/plugins/discover/flatpak-backend.so
#7 0x00007f386fdeca38 in FlatpakBackend::FlatpakBackend(QObject*) () from
/usr/lib64/qt5/plugins/discover/flatpak-backend.so
#8 0x00007f386fdef6bb in FlatpakBackendFactory::newInstance(QObject*, QString
const&) const () from /usr/lib64/qt5/plugins/discover/flatpak-backend.so
#9 0x00007f38bda16427 in DiscoverBackendsFactory::backendForFile(QString
const&, QString const&) const () from
/usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f38bda16abb in DiscoverBackendsFactory::backend(QString const&)
const () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#11 0x00007f38bda16f27 in DiscoverBackendsFactory::allBackends() const () from
/usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f38bda05a0a in ResourcesModel::registerAllBackends() () from
/usr/lib64/plasma-discover/libDiscoverCommon.so
#13 0x00007f38bda26a15 in ResourcesModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from
/usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f38ba67e199 in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#15 0x00007f38bb694d9c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#16 0x00007f38bb69c3d4 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#17 0x00007f38ba655b8b in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#18 0x00007f38ba657d6b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#19 0x00007f38ba6a4c73 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5Core.so.5
#20 0x00007f38b2ba1247 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#21 0x00007f38b2ba15e8 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#22 0x00007f38b2ba167c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#23 0x00007f38ba6a4cef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#24 0x00007f38ba654b8a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#25 0x00007f38ba65c7dc in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#26 0x0000555c768866c0 in main ()
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