Bug 393235

Summary: Discover crashed while searching for updates
Product: [Applications] Discover Reporter: bburgess
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED DUPLICATE    
Severity: normal Keywords: drkonqi
Priority: NOR    
Version: 5.12.4   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description bburgess 2018-04-17 21:16:33 UTC 
Application: plasma-discover (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.16.2-300.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

I added the rpmfusion-free-updates repo, then when I checked for updates the program crashed.

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 0x7f90212e2940 (LWP 19226))]

Thread 13 (Thread 0x7f8fbdce7700 (LWP 19250)):
#0  0x00007f901c1a6929 in poll () at /lib64/libc.so.6
#1  0x00007f9015237b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f8fbe5f6700 (LWP 19246)):
#0  0x00007f901c1a6929 in poll () at /lib64/libc.so.6
#1  0x00007f9015237b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f8fcc8bc700 (LWP 19242)):
#0  0x00007f901c1a6929 in poll () at /lib64/libc.so.6
#1  0x00007f9015237b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f8fce064700 (LWP 19240)):
#0  0x00007f901c1a6929 in poll () at /lib64/libc.so.6
#1  0x00007f9015237b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9015237ec2 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007f8fd4f7960a in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007f901525fcea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f8fce865700 (LWP 19239)):
#0  0x00007f901c1a2337 in read () at /lib64/libc.so.6
#1  0x00007f901527cdd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f90152375fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9015237ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f9015237c81 in glib_worker_main () at /lib64/libglib-2.0.so.0
#6  0x00007f901525fcea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#7  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f8fcf6dd700 (LWP 19238)):
#0  0x00007f901c1a2365 in read () at /lib64/libc.so.6
#1  0x00007f901527cdd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f90152375fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9015237ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f8fe6050700 (LWP 19237)):
#0  0x00007f901c1a6929 in poll () at /lib64/libc.so.6
#1  0x00007f9015237b06 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f90207f5a1a in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f8fe7c4c700 (LWP 19235)):
#0  0x00007f901a18b4fc in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ff1326663 in util_queue_thread_func () at /usr/lib64/dri/r600_dri.so
#2  0x00007f8ff132637b in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f8fe865f700 (LWP 19234)):
#0  0x00007f901a18b4fc in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ff1326663 in util_queue_thread_func () at /usr/lib64/dri/r600_dri.so
#2  0x00007f8ff132637b in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f8ff90f0700 (LWP 19233)):
#0  0x00007f901c0da457 in __errno_location () at /lib64/libc.so.6
#1  0x00007f9015237b0e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f901d9ea339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f8ffa301700 (LWP 19232)):
#0  0x00007f901c1a2374 in read () at /lib64/libc.so.6
#1  0x00007f901527cdd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f90152375fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9015237ab0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f901d072c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f901ce6f9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f90213ef299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#9  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f9002d53700 (LWP 19231)):
#0  0x00007f901c1a6929 in poll () at /lib64/libc.so.6
#1  0x00007f9014bbd04f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f9014bbecaa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f90057014d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f901ce7411d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f901a185564 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f901c1b131f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f90212e2940 (LWP 19226)):
[KCrash Handler]
#6  0x00007f902047154f in QList<QString>::dealloc(QListData::Data*) [clone .isra.14] () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#7  0x00007f902048ac0d in AbstractResourcesBackend::Filters::shouldFilter(AbstractResource*) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#8  0x00007f902048af6b in AbstractResourcesBackend::Filters::filterJustInCase(QVector<AbstractResource*>&) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007f9020482446 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f901d04ade3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#11 0x00007f902049b636 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f902047a6dc in AggregatedResultsStream::emitResults() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#13 0x00007f902047a719 in AggregatedResultsStream::clear() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f902047bab7 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#15 0x00007f901d04ade3 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#16 0x00007f901d04b413 in QObject::destroyed(QObject*) () at /lib64/libQt5Core.so.5
#17 0x00007f901d05244f in QObject::~QObject() () at /lib64/libQt5Core.so.5
#18 0x00007f902048a79d in ResultsStream::~ResultsStream() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#19 0x00007f901d04ba48 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#20 0x00007f901e17ae95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#21 0x00007f901e18283a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#22 0x00007f901d022376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#23 0x00007f901d02509b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#24 0x00007f901d072ec7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#25 0x00007f90152377cd in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#26 0x00007f9015237b98 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#27 0x00007f9015237c30 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#28 0x00007f901d072c13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#29 0x00007f900578f065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#30 0x00007f901d02112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f901d0295b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#32 0x0000563e3bebae47 in main ()

The reporter indicates this bug may be a duplicate of or related to bug 392971.

Possible duplicates by query: bug 392971, bug 390611, bug 390480, bug 390129, bug 386474.

Reported using DrKonqi
Comment 1 Aleix Pol 2018-04-23 10:46:56 UTC 

*** This bug has been marked as a duplicate of bug 392971 ***