Application: plasma-discover (5.12.3)
 (Compiled from sources)
Qt Version: 5.10.0
Frameworks Version: 5.44.0
Operating System: Linux 4.13.0-37-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed:
i was using discover and try cancel the upgrade, after try open discover but this crash

The crash can be reproduced sometimes.

-- 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 0x7f2ef5e33900 (LWP 22030))]

Thread 7 (Thread 0x7f2eb0882700 (LWP 22043)):
#0  0x00007f2ef122227d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2eea39d073 in ?? () from /usr/lib/nvidia-390/tls/libnvidia-tls.so.390.48
#2  0x00007f2ef1c31097 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f2ef1c31a09 in QRandomGenerator::_fillRange(void*, void*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2eef103a55 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#5  0x00007f2eef103b9e in QAuthenticator::detach() () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#6  0x00007f2eef089280 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007f2ef1e4b489 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2ef1e57d47 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2ef1e58048 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f2ef1e4c483 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2ef3434acc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f2ef343c417 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f2ef1e1e3c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f2ef1e7497e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f2ef1e75201 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f2eebb8d197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f2eebb8d3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f2eebb8d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f2ef1e755cb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f2ef1c3c554 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f2ef1c416eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f2eedd826ba in start_thread (arg=0x7f2eb0882700) at pthread_create.c:333
#24 0x00007f2ef123241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f2ebb2b2700 (LWP 22038)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ef1c4267b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f2ef1c3afbb in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f2ef1e4b6c6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2eef0c0ec8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#5  0x00007f2eef18009d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#6  0x00007f2ef1e4b489 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2eef0886ab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#8  0x00007f2eef088f0d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#9  0x00007f2ef1e4b489 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f2eef17a477 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#11 0x00007f2eef1775db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#12 0x00007f2eef177ff6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#13 0x00007f2eef15b9e1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#14 0x00007f2ef1e4b489 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f2eef129773 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#16 0x00007f2eef12982c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#17 0x00007f2eef13a0e1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#18 0x00007f2ef3434acc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f2ef343c417 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f2ef1e1e3c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f2ef1e7622d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f2eebb8d197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f2eebb8d3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f2eebb8d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f2ef1e755af in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f2ef1c3c554 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f2ef1c416eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f2eedd826ba in start_thread (arg=0x7f2ebb2b2700) at pthread_create.c:333
#30 0x00007f2ef123241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f2ec0992700 (LWP 22037)):
#0  0x00007f2ef122227d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2eea39d073 in ?? () from /usr/lib/nvidia-390/tls/libnvidia-tls.so.390.48
#2  0x00007f2eebbd06f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2eebb8ce74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2eebb8d330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2eebb8d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f2ef1e755cb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2ef1c3c554 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2ef1c416eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f2eedd826ba in start_thread (arg=0x7f2ec0992700) at pthread_create.c:333
#11 0x00007f2ef123241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f2ecdd22700 (LWP 22036)):
#0  __lll_unlock_wake () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:371
#1  0x00007f2eedd864ff in __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7f2eedb22950) at pthread_mutex_unlock.c:55
#2  __GI___pthread_mutex_unlock (mutex=0x7f2eedb22950) at pthread_mutex_unlock.c:314
#3  0x00007f2eed89da05 in ?? () from /usr/lib/nvidia-390/libGL.so.1
#4  0x00007f2eed8a3138 in ?? () from /usr/lib/nvidia-390/libGL.so.1
#5  0x00007f2eea39d102 in ?? () from /usr/lib/nvidia-390/tls/libnvidia-tls.so.390.48
#6  0x00007f2eebbd06f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f2eebb8ce74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f2eebb8d330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f2eebb8d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f2ef1e755cb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f2ef1c3c554 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f2ef50601c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f2ef1c416eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f2eedd826ba in start_thread (arg=0x7f2ecdd22700) at pthread_create.c:333
#16 0x00007f2ef123241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f2ed735a700 (LWP 22035)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f2eedd84e42 in __GI___pthread_mutex_lock (mutex=0x7f2eedb22950) at ../nptl/pthread_mutex_lock.c:115
#2  0x00007f2eed89dcec in ?? () from /usr/lib/nvidia-390/libGL.so.1
#3  0x00007f2eed8a2c21 in ?? () from /usr/lib/nvidia-390/libGL.so.1
#4  0x00007f2eed8a3138 in ?? () from /usr/lib/nvidia-390/libGL.so.1
#5  0x00007f2eea39d102 in ?? () from /usr/lib/nvidia-390/tls/libnvidia-tls.so.390.48
#6  0x00007f2eebbd06f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f2eebb8ce74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f2eebb8d330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f2eebb8d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f2ef1e755cb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f2ef1c3c554 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f2ef281da35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f2ef1c416eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f2eedd826ba in start_thread (arg=0x7f2ed735a700) at pthread_create.c:333
#16 0x00007f2ef123241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2ed8572700 (LWP 22034)):
#0  0x00007f2eebb8a3e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2eebb8c8bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2eebb8d2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2eebb8d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2ef1e755cb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2ef1c3c554 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2ef3b512c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f2ef1c416eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2eedd826ba in start_thread (arg=0x7f2ed8572700) at pthread_create.c:333
#10 0x00007f2ef123241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2ef5e33900 (LWP 22030)):
[KCrash Handler]
#6  0x00007f2ef1160428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f2ef116202a in __GI_abort () at abort.c:89
#8  0x00007f2ef1c2b311 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2ef50c4068 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f2ef50c52a7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f2ef50c5aa5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f2ef2c94625 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f2ef513d8c5 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f2ef3434acc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f2ef343c417 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f2ef1e1e3c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f2ef2c8928d in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f2ef2c89ebd in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f2ef2c638fb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f2ee46171ab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f2ef1e1c64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f2ef1e25854 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x0000000000411f5f in ?? ()
#24 0x00007f2ef114b830 in __libc_start_main (main=0x411520, argc=1, argv=0x7ffedcba2578, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffedcba2568) at ../csu/libc-start.c:291
#25 0x0000000000412059 in _start ()

Possible duplicates by query: bug 391941, bug 389875, bug 389801, bug 388864, bug 388504.

Reported using DrKonqi