https://bugs.kde.org/show_bug.cgi?id=394122
Bug ID: 394122
Summary: Discover crashes browsing the Installed applications
after Calligra remove
Product: Discover
Version: 5.12.5
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: normal
Priority: NOR
Component: discover
Assignee: aleix...@kde.org
Reporter: thecursed...@yahoo.it
Target Milestone: ---
Application: plasma-discover (5.12.5)
Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.16.7-300.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs
-- Information about the crash:
- What I was doing when the application crashed:
I only opened Discover and after a few seconds clicked on the "Installed"
category, then Discover crashed; no other applications were open, no other
tasks running
- Custom settings of the application:
The last previous task I did was to remove Calligra Works and Calligra Sheets
(they were preinstalled and I wanted to replace them with LibreOffice).
To do that, I clicked on the Launcher, searched for Calligra, then right click
menu "Manage Calligra..." which opens Discover, and there clicked Remove; I did
this for both Works and Sheets.
After that, searching for calligra in the Launcher there was still an option
"Run Calligra", which I clicked to see if it would still open anything; that
made Discover crash, and after that it crashed every time I want to browse the
Installed category (haven't tried other categories/options yet).
The crash can be reproduced every time.
-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6f67ffae00 (LWP 2884))]
Thread 10 (Thread 0x7f6f1e965700 (LWP 2899)):
#0 0x00007f6f6b4641e0 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1 0x00007f6f6b41d52e in g_main_context_check () at /lib64/libglib-2.0.so.0
#2 0x00007f6f6b41dab0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4 0x00007f6f72877c2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6 0x00007f6f726749c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#7 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#9 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 9 (Thread 0x7f6f1ffff700 (LWP 2895)):
#0 0x00007f6f6b4641ed in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1 0x00007f6f6b41cebb in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2 0x00007f6f6b41da3b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3 0x00007f6f6b41dec2 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#4 0x00007f6f329f660a in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#5 0x00007f6f6b445cea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#6 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#7 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 8 (Thread 0x7f6f2495c700 (LWP 2894)):
#0 0x00007f6f719a7374 in read () at /lib64/libc.so.6
#1 0x00007f6f6b462dd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2 0x00007f6f6b41d5fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3 0x00007f6f6b41dab0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5 0x00007f6f6b41dc81 in glib_worker_main () at /lib64/libglib-2.0.so.0
#6 0x00007f6f6b445cea in g_thread_proxy () at /lib64/libglib-2.0.so.0
#7 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#8 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 7 (Thread 0x7f6f38866700 (LWP 2892)):
#0 0x00007f6f6b463dbd in g_private_get () at /lib64/libglib-2.0.so.0
#1 0x00007f6f6b446214 in g_thread_self () at /lib64/libglib-2.0.so.0
#2 0x00007f6f6b41dc21 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f6f72877c2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f6f726749c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#8 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7f6f39067700 (LWP 2891)):
#0 0x00007f6f719ab929 in poll () at /lib64/libc.so.6
#1 0x00007f6f6b41db06 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f6f72877c2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f6f726749c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#8 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f6f4599f700 (LWP 2890)):
#0 0x00007ffed56e59c9 in ()
#1 0x00007ffed56e5bcc in clock_gettime ()
#2 0x00007f6f719c3f06 in clock_gettime () at /lib64/libc.so.6
#3 0x00007f6f72877455 in qt_gettime() () at /lib64/libQt5Core.so.5
#4 0x00007f6f72875f2d in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#5 0x00007f6f72876339 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#6 0x00007f6f728778fc in timerSourcePrepareHelper(GTimerSource*, int*) () at
/lib64/libQt5Core.so.5
#7 0x00007f6f728779a2 in timerSourcePrepare(_GSource*, int*) () at
/lib64/libQt5Core.so.5
#8 0x00007f6f6b41d049 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#9 0x00007f6f6b41da3b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#10 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#11 0x00007f6f72877c2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#12 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#13 0x00007f6f726749c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#14 0x00007f6f7622ca1a in QQuickPixmapReader::run() () at
/lib64/libQt5Quick.so.5
#15 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#16 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#17 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f6f4f0cc700 (LWP 2888)):
#0 0x00007f6f719a7374 in read () at /lib64/libc.so.6
#1 0x00007f6f6b462dd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2 0x00007f6f6b41d5fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3 0x00007f6f6b41dab0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5 0x00007f6f72877c2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7 0x00007f6f726749c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8 0x00007f6f731ef339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f6f502dd700 (LWP 2887)):
#0 0x00007f6f719a7374 in read () at /lib64/libc.so.6
#1 0x00007f6f6b462dd0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2 0x00007f6f6b41d5fb in g_main_context_check () at /lib64/libglib-2.0.so.0
#3 0x00007f6f6b41dab0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5 0x00007f6f72877c2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7 0x00007f6f726749c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8 0x00007f6f76f67299 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#9 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f6f58d28700 (LWP 2886)):
#0 0x00007f6f719ab929 in poll () at /lib64/libc.so.6
#1 0x00007f6f6ada304f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2 0x00007f6f6ada4caa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3 0x00007f6f5b6d64d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4 0x00007f6f7267911d in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5 0x00007f6f6fd24564 in start_thread () at /lib64/libpthread.so.0
#6 0x00007f6f719b631f in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f6f67ffae00 (LWP 2884)):
[KCrash Handler]
#6 0x00007f6f32f9236d in AppStream::Component::name() const () at
/lib64/libAppStreamQt.so.2
#7 0x00007f6f1edd8b42 in () at
/usr/lib64/qt5/plugins/discover/packagekit-backend.so
#8 0x00007f6f75ec2d8d in AbstractResource::nameSortKey() () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#9 0x00007f6f75eb5cd0 in ResourcesProxyModel::lessThan(AbstractResource*,
AbstractResource*) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f6f75eb5fd8 in () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#11 0x00007f6f75eb9829 in
ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f6f7284fde3 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#13 0x00007f6f75ed2376 in
ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f6f75eb199c in AggregatedResultsStream::emitResults() () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#15 0x00007f6f75eb19d9 in AggregatedResultsStream::clear() () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#16 0x00007f6f75eb2d87 in AggregatedResultsStream::destruction(QObject*) () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#17 0x00007f6f7284fde3 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#18 0x00007f6f72850413 in QObject::destroyed(QObject*) () at
/lib64/libQt5Core.so.5
#19 0x00007f6f7285744f in QObject::~QObject() () at /lib64/libQt5Core.so.5
#20 0x00007f6f75ec1c8d in ResultsStream::~ResultsStream() () at
/usr/lib64/plasma-discover/libDiscoverCommon.so
#21 0x00007f6f72850a48 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007f6f74691e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#23 0x00007f6f7469983a in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#24 0x00007f6f72827376 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#25 0x00007f6f7282a09b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#26 0x00007f6f72877ec7 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#27 0x00007f6f6b41d7cd in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#28 0x00007f6f6b41db98 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#29 0x00007f6f6b41dc30 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#30 0x00007f6f72877c13 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#31 0x00007f6f5b764065 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5XcbQpa.so.5
#32 0x00007f6f7282612b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#33 0x00007f6f7282e5b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#34 0x000055ca0eb39e87 in ()
#35 0x00007f6f718df1bb in __libc_start_main () at /lib64/libc.so.6
#36 0x000055ca0eb3a42a in _start ()
Reported using DrKonqi
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