Application: plasma-discover (5.19.4)

Qt Version: 5.14.2
Frameworks Version: 5.74.0
Operating System: Linux 5.4.0-42-generic x86_64
Windowing system: X11
Distribution: KDE neon Testing Edition

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

Discover did its thing from a cold boot.
Showed new files.
Minimized to taskbar.
Went on net with firefox
killed firefox
brought discover up from taskbar
discover goes TU

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fdb90684da4 in QSGNodeUpdater::isNodeBlocked(QSGNode*, QSGNode*) const () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fdb90686b3d in QSGRenderer::preprocess() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fdb906863bb in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fdb906868c3 in QSGRenderer::renderScene(unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fdb906f4ed7 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fdb9075f3e9 in QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fdb907026fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fdb90706bf7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fdb8e95c01c in QThreadPrivate::start (arg=0x555e26d80690) at thread/qthread_unix.cpp:342
#13 0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  0x00007fdb8e59d235 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fdb5e492a20) at ../sysdeps/unix/sysv/linux/clock_gettime.c:38
#2  0x00007fdb8eb91ac5 in qt_clock_gettime (ts=0x7fdb5e492a20, clock=1) at kernel/qelapsedtimer_unix.cpp:175
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007fdb8eb9035d in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fdb48003890) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007fdb8eb90939 in QTimerInfoList::timerWait (this=0x7fdb48003890, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007fdb8eb925bc in timerSourcePrepareHelper (timeout=0x7fdb5e492ad4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:138
#8  idleTimerSourcePrepare (source=<optimized out>, timeout=0x7fdb5e492ad4) at kernel/qeventdispatcher_glib.cpp:213
#9  0x00007fdb8cf3372f in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fdb8cf340db in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fdb8eb921fb in QEventDispatcherGlib::processEvents (this=0x7fdb48000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007fdb8eb3824b in QEventLoop::exec (this=this@entry=0x7fdb5e492ca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#14 0x00007fdb8e95aeb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#15 0x00007fdb8e95c01c in QThreadPrivate::start (arg=0x555e26a9a580) at thread/qthread_unix.cpp:342
#16 0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#17 0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  0x00007fdb8cf341ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdb8eb921fb in QEventDispatcherGlib::processEvents (this=0x7fdb54000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdb8eb3824b in QEventLoop::exec (this=this@entry=0x7fdb5effcca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007fdb8e95aeb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007fdb8e95c01c in QThreadPrivate::start (arg=0x555e26a8e210) at thread/qthread_unix.cpp:342
#7  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  0x00007fdb8cf341ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdb8cf34533 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdb8cc8feda in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fdb8cf5d931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  0x00007fdb8cf7c89f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdb8cf33cfe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdb8cf34152 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdb8cf34331 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fdb8cf5d931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  0x00007fdb8eb928e9 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#2  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:243
#3  QThreadData::canWaitLocked (this=0x555e27a1c340) at ../../include/QtCore/5.14.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:272
#4  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7fdb64004bb0) at kernel/qeventdispatcher_glib.cpp:260
#5  postEventSourceCheck (source=0x7fdb64004bb0) at kernel/qeventdispatcher_glib.cpp:270
#6  0x00007fdb8cf33be1 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fdb8cf34152 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fdb8eb921fb in QEventDispatcherGlib::processEvents (this=0x7fdb64000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#10 0x00007fdb8eb3824b in QEventLoop::exec (this=this@entry=0x7fdb795eac60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#11 0x00007fdb8e95aeb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#12 0x00007fdb906419fa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fdb8e95c01c in QThreadPrivate::start (arg=0x555e27a1bf40) at thread/qthread_unix.cpp:342
#14 0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#15 0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e262b45f8, cond=0x555e262b4620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555e262b4620, mutex=0x555e262b45f8) at pthread_cond_wait.c:638
#3  0x00007fdb8097d97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fdb8097d58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e262b45f8, cond=0x555e262b4620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555e262b4620, mutex=0x555e262b45f8) at pthread_cond_wait.c:638
#3  0x00007fdb8097d97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fdb8097d58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e262b45f8, cond=0x555e262b4620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555e262b4620, mutex=0x555e262b45f8) at pthread_cond_wait.c:638
#3  0x00007fdb8097d97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fdb8097d58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e262b45f8, cond=0x555e262b4620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555e262b4620, mutex=0x555e262b45f8) at pthread_cond_wait.c:638
#3  0x00007fdb8097d97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fdb8097d58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  0x00007fdb8e59d235 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fdb82ded9f0) at ../sysdeps/unix/sysv/linux/clock_gettime.c:38
#2  0x00007fdb8eb91ac5 in qt_clock_gettime (ts=0x7fdb82ded9f0, clock=1) at kernel/qelapsedtimer_unix.cpp:175
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007fdb8eb9035d in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fdb74004950) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007fdb8eb90939 in QTimerInfoList::timerWait (this=0x7fdb74004950, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007fdb8eb91f56 in timerSourcePrepareHelper (timeout=0x7fdb82dedab4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:162
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7fdb82dedab4) at kernel/qeventdispatcher_glib.cpp:166
#9  0x00007fdb8cf3372f in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fdb8cf340db in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fdb8eb921fb in QEventDispatcherGlib::processEvents (this=0x7fdb74000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007fdb8eb3824b in QEventLoop::exec (this=this@entry=0x7fdb82dedc80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#14 0x00007fdb8e95aeb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#15 0x00007fdb8f815b99 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fdb8e95c01c in QThreadPrivate::start (arg=0x555e261b2820) at thread/qthread_unix.cpp:342
#17 0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#18 0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  postEventSourceCheck (source=0x7fdb7c004bb0) at kernel/qeventdispatcher_glib.cpp:270
#2  0x00007fdb8cf33be1 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdb8cf34152 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdb8eb921fb in QEventDispatcherGlib::processEvents (this=0x7fdb7c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fdb8eb3824b in QEventLoop::exec (this=this@entry=0x7fdb83ffec70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007fdb8e95aeb2 in QThread::exec (this=this@entry=0x7fdb9015cda0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007fdb900d8f5b in QDBusConnectionManager::run (this=0x7fdb9015cda0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#9  0x00007fdb8e95c01c in QThreadPrivate::start (arg=0x7fdb9015cda0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342
#10 0x00007fdb8d8a0609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fdb8e5df103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555e26d80750, cond=0x555e26d80778) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555e26d80778, mutex=0x555e26d80750) at pthread_cond_wait.c:638
#3  0x00007fdb8e961ceb in QWaitConditionPrivate::wait (deadline=..., this=0x555e26d80750) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x555e26d806e8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fdb8e961db1 in QWaitCondition::wait (this=0x555e26d806f0, mutex=0x555e26d806e8, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fdb90704dca in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fdb90705cc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fdb907066bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fdb8ef6596d in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fdb9076ce49 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fdb8fb82cc3 in QApplicationPrivate::notify_helper (this=this@entry=0x555e26150840, receiver=receiver@entry=0x555e262bf730, e=e@entry=0x7fff36b4e100) at kernel/qapplication.cpp:3685
#12 0x00007fdb8fb8bf40 in QApplication::notify (this=0x7fff36b4e4c0, receiver=0x555e262bf730, e=0x7fff36b4e100) at kernel/qapplication.cpp:3431
#13 0x00007fdb8eb3978a in QCoreApplication::notifyInternal2 (receiver=0x555e262bf730, event=0x7fff36b4e100) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#14 0x00007fdb8ef5b6b3 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007fdb8ef5b8eb in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007fdb8ef33d6b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007fdb89c3f51e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007fdb8cf33fbd in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fdb8cf34240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fdb8cf342e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fdb8eb921e2 in QEventDispatcherGlib::processEvents (this=0x555e261a5690, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007fdb8eb3824b in QEventLoop::exec (this=this@entry=0x7fff36b4e3e0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#23 0x00007fdb8eb40296 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#24 0x0000555e24867580 in ?? ()
#25 0x00007fdb8e4e40b3 in __libc_start_main (main=0x555e24866d80, argc=3, argv=0x7fff36b4e668, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff36b4e658) at ../csu/libc-start.c:308
#26 0x0000555e24867bae in _start ()
[Inferior 1 (process 1196) detached]

Possible duplicates by query: bug 422622, bug 420782, bug 419422, bug 416448, bug 416222.

Reported using DrKonqi