https://bugs.kde.org/show_bug.cgi?id=397698

            Bug ID: 397698
           Summary: "Discover" crashes and misreports number of updates
                    available
           Product: Discover
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: discover
          Assignee: aleix...@kde.org
          Reporter: copypa...@kittens.ph
  Target Milestone: ---

Application: plasma-discover (5.13.4)

Qt Version: 5.11.1
Frameworks Version: 5.49.0
Operating System: Linux 4.17.11-arch1 x86_64
Distribution (Platform): Archlinux Packages

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

I updated manually through the command line (`pacman -Syu`) but "Discover" does
not register this, claims 327 updates are available, and crashes when I press
"Update"

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x15144ea98800 (LWP 2126))]

Thread 12 (Thread 0x15142ca59700 (LWP 2138)):
#0  0x0000151452ab6a1f in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#1  0x0000151452ab744e in  () at /usr/lib/libglib-2.0.so.0
#2  0x0000151452ab763e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00001514557974c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x000015145558bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#7  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x15142e623700 (LWP 2136)):
#0  0x000015145413def6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x000015145559669d in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x000015145558e0c4 in  () at /usr/lib/libQt5Core.so.5
#3  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#4  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x15142e824700 (LWP 2135)):
#0  0x000015145413def6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x000015145559669d in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x000015145558e0c4 in  () at /usr/lib/libQt5Core.so.5
#3  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#4  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x15142ea25700 (LWP 2134)):
#0  0x000015145413def6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x000015145559669d in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x000015145558e0c4 in  () at /usr/lib/libQt5Core.so.5
#3  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#4  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x15142f322700 (LWP 2133)):
#0  0x000015145413def6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x000015145559669d in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x000015145558e0c4 in  () at /usr/lib/libQt5Core.so.5
#3  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#4  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x15142f523700 (LWP 2132)):
#0  0x000015145526dbb1 in poll () at /usr/lib/libc.so.6
#1  0x0000151452ab7523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x0000151452ab763e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00001514557974c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x000015145558bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#7  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x15142f763700 (LWP 2131)):
#0  0x0000151452ab7612 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#1  0x00001514557974c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#2  0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#3  0x000015145558bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#4  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#5  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x15143831c700 (LWP 2130)):
#0  0x0000151452ab43da in  () at /usr/lib/libglib-2.0.so.0
#1  0x0000151452ab6983 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x0000151452ab744e in  () at /usr/lib/libglib-2.0.so.0
#3  0x0000151452ab763e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00001514557974c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x000015145558bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00001514571b05bb in  () at /usr/lib/libQt5Quick.so.5
#8  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#9  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x1514433ee700 (LWP 2129)):
#0  0x000015145526dbb1 in poll () at /usr/lib/libc.so.6
#1  0x0000151452ab7523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x0000151452ab763e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00001514557974c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x000015145558bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x0000151455d210d9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#8  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x151443fff700 (LWP 2128)):
#0  0x000015145526dbb1 in poll () at /usr/lib/libc.so.6
#1  0x0000151452ab7523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x0000151452ab763e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00001514557974c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x000015145558bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x0000151456a7cba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#8  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x15144b778700 (LWP 2127)):
#0  0x000015145526dbb1 in poll () at /usr/lib/libc.so.6
#1  0x000015145284e180 in  () at /usr/lib/libxcb.so.1
#2  0x000015145284fe4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x000015144e527e1a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x0000151455596005 in  () at /usr/lib/libQt5Core.so.5
#5  0x0000151454137a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x0000151455278a43 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x15144ea98800 (LWP 2126)):
[KCrash Handler]
#6  0x00001514551b4d7f in raise () at /usr/lib/libc.so.6
#7  0x000015145519f672 in abort () at /usr/lib/libc.so.6
#8  0x00001514555527fc in  () at /usr/lib/libQt5Core.so.5
#9  0x0000151457216c01 in
QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () at
/usr/lib/libQt5Quick.so.5
#10 0x0000151457217cfe in  () at /usr/lib/libQt5Quick.so.5
#11 0x0000151457218425 in  () at /usr/lib/libQt5Quick.so.5
#12 0x0000151455f97805 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#13 0x00001514572949dc in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#14 0x000015145655ae14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#15 0x00001514565626e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#16 0x0000151455744119 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#17 0x0000151455f8c016 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib/libQt5Gui.so.5
#18 0x0000151455f8cd4e in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#19 0x0000151455f66a4c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#20 0x000015144e5bd31d in  () at /usr/lib/libQt5XcbQpa.so.5
#21 0x0000151455742dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#22 0x000015145574b0a6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#23 0x000055624debcde6 in  ()
#24 0x00001514551a1223 in __libc_start_main () at /usr/lib/libc.so.6
#25 0x000055624debd3aa in _start ()

Reported using DrKonqi

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