Bug 432373

Application: plasma-discover (5.12.8)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 5.4.0-51-generic x86_64
Distribution: Ubuntu 18.04.5 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Trying to opèn Discover, both from the launch menu and from the system tray notification (updates notified)

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0f46008800 (LWP 17874))]

Thread 13 (Thread 0x7f0efce71700 (LWP 17897)):
#0  0x00007ffd0d77099a in clock_gettime ()
#1  0x00007f0f415efd36 in __GI___clock_gettime (clock_id=1, tp=0x7f0efce70b20) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f0f41f1c1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0f41f1a9f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41f1afd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41f1cc3c in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3bdcab28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0f3bdcb4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f0f41f1c8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0f41ce023a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0f3def36db in start_thread (arg=0x7f0efce71700) at pthread_create.c:463
#14 0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f0efda88700 (LWP 17896)):
#0  0x00007f0f3def9fb9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0efda87c40, expected=0, futex_word=0x7f0ef8009a90) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0f3def9fb9 in __pthread_cond_wait_common (abstime=0x7f0efda87d00, mutex=0x7f0ef8009a40, cond=0x7f0ef8009a68) at pthread_cond_wait.c:533
#2  0x00007f0f3def9fb9 in __pthread_cond_timedwait (cond=0x7f0ef8009a68, mutex=0x7f0ef8009a40, abstime=0x7f0efda87d00) at pthread_cond_wait.c:667
#3  0x00007f0f41ce6468 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41ce253d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3def36db in start_thread (arg=0x7f0efda88700) at pthread_create.c:463
#7  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0efe289700 (LWP 17890)):
#0  0x00007f0f3def9fb9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0efe288c40, expected=0, futex_word=0x7f0ef8006fc0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0f3def9fb9 in __pthread_cond_wait_common (abstime=0x7f0efe288d00, mutex=0x7f0ef8006f70, cond=0x7f0ef8006f98) at pthread_cond_wait.c:533
#2  0x00007f0f3def9fb9 in __pthread_cond_timedwait (cond=0x7f0ef8006f98, mutex=0x7f0ef8006f70, abstime=0x7f0efe288d00) at pthread_cond_wait.c:667
#3  0x00007f0f41ce6468 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41ce253d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3def36db in start_thread (arg=0x7f0efe289700) at pthread_create.c:463
#7  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0eff0a6700 (LWP 17888)):
#0  0x00007f0f3def9fb9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0eff0a5c40, expected=0, futex_word=0x7f0ef80042f0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0f3def9fb9 in __pthread_cond_wait_common (abstime=0x7f0eff0a5d00, mutex=0x7f0ef80042a0, cond=0x7f0ef80042c8) at pthread_cond_wait.c:533
#2  0x00007f0f3def9fb9 in __pthread_cond_timedwait (cond=0x7f0ef80042c8, mutex=0x7f0ef80042a0, abstime=0x7f0eff0a5d00) at pthread_cond_wait.c:667
#3  0x00007f0f41ce6468 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41ce253d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3def36db in start_thread (arg=0x7f0eff0a6700) at pthread_create.c:463
#7  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f0eff8a7700 (LWP 17886)):
#0  0x00007ffd0d77099a in clock_gettime ()
#1  0x00007f0f415efd36 in __GI___clock_gettime (clock_id=1, tp=0x7f0eff8a6b20) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f0f41f1c1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0f41f1a9f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41f1afd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41f1cc3c in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3bdcab28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0f3bdcb4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f0f41f1c8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0f41ce023a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0f3def36db in start_thread (arg=0x7f0eff8a7700) at pthread_create.c:463
#14 0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0f0d936700 (LWP 17885)):
#0  0x00007ffd0d77099a in clock_gettime ()
#1  0x00007f0f415efd36 in __GI___clock_gettime (clock_id=1, tp=0x7f0f0d935b10) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f0f41f1c1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0f41f1a9f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41f1afd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41f1c61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3bdcab28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0f3bdcb4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f0f41f1c8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0f41ce023a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0f3def36db in start_thread (arg=0x7f0f0d936700) at pthread_create.c:463
#14 0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0f0e137700 (LWP 17884)):
#0  0x00007f0f415cf184 in __GI___libc_read (fd=15, buf=0x7f0f0e136cd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0f3be102b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0f3bdcb0b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0f3bdcb570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0f3bdcb962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0f0ff76276 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f0f3bdf3175 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0f3def36db in start_thread (arg=0x7f0f0e137700) at pthread_create.c:463
#8  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0f0e938700 (LWP 17883)):
#0  0x00007f0f3be11644 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0f3bdcadc9 in g_main_context_query () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0f3bdcb547 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0f3bdcb721 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0f3bdf3175 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0f3def36db in start_thread (arg=0x7f0f0e938700) at pthread_create.c:463
#7  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0f1a227700 (LWP 17882)):
#0  0x00007f0f415cf184 in __GI___libc_read (fd=12, buf=0x7f0f1a226b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0f3be102b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0f3bdcb0b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0f3bdcb570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0f41f1c8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0f41ce023a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0f450c02a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0f3def36db in start_thread (arg=0x7f0f1a227700) at pthread_create.c:463
#11 0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0f28eab700 (LWP 17879)):
#0  0x00007f0f415d3cb9 in __GI___poll (fds=0x7f0f1c004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0f3bdcb5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0f41f1c8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41ce023a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f428f66f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0f3def36db in start_thread (arg=0x7f0f28eab700) at pthread_create.c:463
#9  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0f2a0bc700 (LWP 17876)):
#0  0x00007ffd0d77099a in clock_gettime ()
#1  0x00007f0f415efd36 in __GI___clock_gettime (clock_id=1, tp=0x7f0f2a0bbae0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f0f41f1c1c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0f41f1a9f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0f41f1afd5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f41f1c61e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0f3bdcab28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0f3bdcb4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f0f41f1c8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0f41ce023a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0f430d1d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f0f3def36db in start_thread (arg=0x7f0f2a0bc700) at pthread_create.c:463
#15 0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0f3382a700 (LWP 17875)):
#0  0x00007f0f415d3cb9 in __GI___poll (fds=0x7f0f33829ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0f3bb62747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0f3bb6436a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0f365d75e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0f41ce517d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0f3def36db in start_thread (arg=0x7f0f3382a700) at pthread_create.c:463
#6  0x00007f0f415e071f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0f46008800 (LWP 17874)):
[KCrash Handler]
#6  0x00007f0f414fdfb7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f0f414ff921 in __GI_abort () at abort.c:79
#8  0x00007f0f41ccffb7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0f451232a7 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f0f45124275 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f0f45124e9a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f0f439e73d5 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f0f451996c5 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f0f4419783c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f0f4419f104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f0f41ec38d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f0f439dc49f in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f0f439dd0dd in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f0f439b42eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f0f3663c260 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f0f3bdcb417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f0f3bdcb650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f0f3bdcb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f0f41f1c88f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f0f41ec190a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f0f41eca9b4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x000055a15af6f148 in  ()
#28 0x00007f0f414e0bf7 in __libc_start_main (main=0x55a15af6e870, argc=1, argv=0x7ffd0d7513f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd0d7513e8) at ../csu/libc-start.c:310
#29 0x000055a15af6f3ca in _start ()

Reported using DrKonqi