Bug 399769

Application: plasma-discover (5.14.0)

Qt Version: 5.11.1
Frameworks Version: 5.50.0
Operating System: Linux 4.15.0-36-generic x86_64
Distribution: KDE neon User Edition 5.14

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

When i click on one of the three categories for applications and extensions Discover crashes most of the time. It's the first time today i saw this happen.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Entdecken (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe313664c80 (LWP 4157))]

Thread 12 (Thread 0x7fe2be58d700 (LWP 4173)):
#0  0x00007fe30914dbb3 in g_main_context_query () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe30914e3b7 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe30f519a9b in QEventDispatcherGlib::processEvents (this=0x7fe2b4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7fe2be58cda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007fe30f2e8b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bfaa87110) at thread/qthread_unix.cpp:367
#7  0x00007fe30b2e96db in start_thread (arg=0x7fe2be58d700) at pthread_create.c:463
#8  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fe2bf7fe700 (LWP 4172)):
#0  0x00007fe30b2ef9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557bf7aaa214) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557bf7aaa1c0, cond=0x557bf7aaa1e8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557bf7aaa1e8, mutex=0x557bf7aaa1c0) at pthread_cond_wait.c:655
#3  0x00007fe30f2f491b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x557bf7aaa1c0) at thread/qwaitcondition_unix.cpp:143
#4  QWaitCondition::wait (this=this@entry=0x557bfaa8d2d8, mutex=mutex@entry=0x557bfaa8d2d0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#5  0x00007fe312763be8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x557bfaa8d2c8) at scenegraph/qsgthreadedrenderloop.cpp:245
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x557bfaa8d250) at scenegraph/qsgthreadedrenderloop.cpp:709
#7  0x00007fe31276401a in QSGRenderThread::run (this=0x557bfaa8d250) at scenegraph/qsgthreadedrenderloop.cpp:738
#8  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bfaa8d250) at thread/qthread_unix.cpp:367
#9  0x00007fe30b2e96db in start_thread (arg=0x7fe2bf7fe700) at pthread_create.c:463
#10 0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fe2d1561700 (LWP 4167)):
#0  0x00007fe30b2efed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fe2d1560c30, expected=0, futex_word=0x7fe2c00033b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe2d1560d00, mutex=0x7fe2c0003360, cond=0x7fe2c0003388) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe2c0003388, mutex=0x7fe2c0003360, abstime=0x7fe2d1560d00) at pthread_cond_wait.c:667
#3  0x00007fe30f2f4850 in QWaitConditionPrivate::wait_relative (time=30000, this=0x7fe2c0003360) at thread/qwaitcondition_unix.cpp:133
#4  QWaitConditionPrivate::wait (time=30000, this=0x7fe2c0003360) at thread/qwaitcondition_unix.cpp:141
#5  QWaitCondition::wait (this=this@entry=0x7fe2c0003070, mutex=mutex@entry=0x7fe2c0002d80, time=30000) at thread/qwaitcondition_unix.cpp:215
#6  0x00007fe30f2eb25d in QThreadPoolThread::run (this=0x7fe2c0003060) at thread/qthreadpool.cpp:146
#7  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x7fe2c0003060) at thread/qthread_unix.cpp:367
#8  0x00007fe30b2e96db in start_thread (arg=0x7fe2d1561700) at pthread_create.c:463
#9  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fe2d1d62700 (LWP 4166)):
#0  0x00007fe30ebda0b4 in __GI___libc_read (fd=42, buf=0x7fe2d1d61b90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fe309192a00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914df27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe30914e3e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe30f519a9b in QEventDispatcherGlib::processEvents (this=0x7fe2c0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7fe2d1d61da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#7  0x00007fe30f2e8b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#8  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bf96b5590) at thread/qthread_unix.cpp:367
#9  0x00007fe30b2e96db in start_thread (arg=0x7fe2d1d62700) at pthread_create.c:463
#10 0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fe2d3fff700 (LWP 4165)):
#0  0x00007fe30ebdebf9 in __GI___poll (fds=0x557bf827f9b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe30914e439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914e7d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2dde44f66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fe309175e85 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe30b2e96db in start_thread (arg=0x7fe2d3fff700) at pthread_create.c:463
#6  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fe2d8cde700 (LWP 4164)):
#0  0x00007fe30ebdebf9 in __GI___poll (fds=0x557bf81ff410, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe30914e439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe30914e591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe309175e85 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe30b2e96db in start_thread (arg=0x7fe2d8cde700) at pthread_create.c:463
#6  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fe2d9fee700 (LWP 4163)):
#0  0x00007ffcf51fdc4f in clock_gettime ()
#1  0x00007fe30ebfaea6 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fe2d9fedb10) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fe30f5193a1 in qt_clock_gettime (ts=0x7fe2d9fedb10, clock=<optimized out>) at kernel/qelapsedtimer_unix.cpp:111
#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  0x00007fe30f517bd9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fe2d4004cf0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007fe30f5181b5 in QTimerInfoList::timerWait (this=0x7fe2d4004cf0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007fe30f5197fe in timerSourcePrepareHelper (timeout=0x7fe2d9fedbd4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7fe2d9fedbd4) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007fe30914d998 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fe30914e36b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fe30f519a9b in QEventDispatcherGlib::processEvents (this=0x7fe2d4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7fe2d9fedda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#14 0x00007fe30f2e8b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#15 0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bf817b4c0) at thread/qthread_unix.cpp:367
#16 0x00007fe30b2e96db in start_thread (arg=0x7fe2d9fee700) at pthread_create.c:463
#17 0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe2e75ef700 (LWP 4162)):
#0  0x00007fe30914d8e7 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe30914e36b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe30f519a9b in QEventDispatcherGlib::processEvents (this=0x7fe2e0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7fe2e75eed30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007fe30f2e8b8a in QThread::exec (this=this@entry=0x557bf809ef00) at thread/qthread.cpp:525
#6  0x00007fe3126e4906 in QQuickPixmapReader::run (this=0x557bf809ef00) at util/qquickpixmapcache.cpp:934
#7  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bf809ef00) at thread/qthread_unix.cpp:367
#8  0x00007fe30b2e96db in start_thread (arg=0x7fe2e75ef700) at pthread_create.c:463
#9  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe2f7138700 (LWP 4161)):
#0  0x00007fe30914b393 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe30914dd62 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914e3e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe30f519a9b in QEventDispatcherGlib::processEvents (this=0x7fe2e8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7fe2f7137d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007fe30f2e8b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#7  0x00007fe30fe8d8b5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bf78cb520) at thread/qthread_unix.cpp:367
#9  0x00007fe30b2e96db in start_thread (arg=0x7fe2f7138700) at pthread_create.c:463
#10 0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe2f8349700 (LWP 4160)):
#0  0x00007fe30ebdebf9 in __GI___poll (fds=0x7fe2f0019520, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe30914e439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe30f519a9b in QEventDispatcherGlib::processEvents (this=0x7fe2f0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7fe2f8348d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007fe30f2e8b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007fe3111e6e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x7fe31145ed60) at thread/qthread_unix.cpp:367
#8  0x00007fe30b2e96db in start_thread (arg=0x7fe2f8349700) at pthread_create.c:463
#9  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe300bb5700 (LWP 4159)):
#0  0x00007fe30ebdebf9 in __GI___poll (fds=0x7fe300bb4ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe308ee5747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe308ee736a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe303b76129 in QXcbEventReader::run (this=0x557bf7818400) at qxcbconnection.cpp:1388
#4  0x00007fe30f2f3aab in QThreadPrivate::start (arg=0x557bf7818400) at thread/qthread_unix.cpp:367
#5  0x00007fe30b2e96db in start_thread (arg=0x7fe300bb5700) at pthread_create.c:463
#6  0x00007fe30ebeb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe313664c80 (LWP 4157)):
[KCrash Handler]
#6  std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x44) at /usr/include/c++/7/bits/atomic_base.h:396
#7  QAtomicOps<int>::load<int> (_q_value=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:227
#8  QBasicAtomicInteger<int>::load (this=0x44) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:103
#9  QWeakPointer<QObject>::data (this=0x557bfa20dde0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:569
#10 QPointer<QQuickMenu>::data (this=0x557bfa20dde0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:86
#11 QPointer<QQuickMenu>::operator-> (this=0x557bfa20dde0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:88
#12 operator==<QQuickMenu> (o=0x0, p=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:116
#13 QQuickMenuPrivate::setParentMenu (this=0x557bfa20dc60, parent=parent@entry=0x0) at qquickmenu.cpp:482
#14 0x00007fe2faa985cb in QQuickMenuPrivate::removeItem (this=0x557bf9f887d0, index=<optimized out>, item=<optimized out>) at qquickmenu.cpp:238
#15 0x00007fe3127a4d26 in QQuickItemPrivate::itemChange (this=this@entry=0x557bf9a706b0, change=change@entry=QQuickItem::ItemParentHasChanged, data=...) at items/qquickitem.cpp:6206
#16 0x00007fe3127ab157 in QQuickItem::setParentItem (this=0x557bf98a6590, parentItem=parentItem@entry=0x0) at items/qquickitem.cpp:2791
#17 0x00007fe3127aca6c in QQuickItem::~QQuickItem (this=0x557bf9ea6c60, __in_chrg=<optimized out>) at items/qquickitem.cpp:2391
#18 0x00007fe3127acd59 in QQuickItem::~QQuickItem (this=0x557bf9ea6c60, __in_chrg=<optimized out>) at items/qquickitem.cpp:2439
#19 0x00007fe30f4ec6ab in QObjectPrivate::deleteChildren (this=this@entry=0x557bfb1ae420) at kernel/qobject.cpp:1997
#20 0x00007fe30f4f614b in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1025
#21 0x00007fe3127acb7b in QQuickItem::~QQuickItem (this=0x557bf9af9340, __in_chrg=<optimized out>) at items/qquickitem.cpp:2378
#22 0x00007fe3127c9e15 in QQmlPrivate::QQmlElement<QQuickListView>::~QQmlElement (this=0x557bf9af9340, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:103
#23 QQmlPrivate::QQmlElement<QQuickListView>::~QQmlElement (this=0x557bf9af9340, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:103
#24 0x00007fe30f4ec6ab in QObjectPrivate::deleteChildren (this=this@entry=0x557bf9f887d0) at kernel/qobject.cpp:1997
#25 0x00007fe30f4f614b in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1025
#26 0x00007fe2ef4c325d in QQuickMenu::~QQuickMenu (this=0x557bf9de6210, __in_chrg=<optimized out>) at ../../../include/QtQuickTemplates2/5.11.1/QtQuickTemplates2/private/../../../../../src/quicktemplates2/qquickmenu_p.h:63
#27 QQmlPrivate::QQmlElement<QQuickMenu>::~QQmlElement (this=0x557bf9de6210, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtQml/qqmlprivate.h:103
#28 QQmlPrivate::QQmlElement<QQuickMenu>::~QQmlElement (this=0x557bf9de6210, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtQml/qqmlprivate.h:103
#29 0x00007fe30f4ec6ab in QObjectPrivate::deleteChildren (this=this@entry=0x557bf7ca36a0) at kernel/qobject.cpp:1997
#30 0x00007fe30f4f614b in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1025
#31 0x00007fe3127acb7b in QQuickItem::~QQuickItem (this=0x557bf7ebbee0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2378
#32 0x00007fe3127ca065 in QQmlPrivate::QQmlElement<QQuickMouseArea>::~QQmlElement (this=0x557bf7ebbee0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:103
#33 QQmlPrivate::QQmlElement<QQuickMouseArea>::~QQmlElement (this=0x557bf7ebbee0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:103
#34 0x00007fe30f4ec6ab in QObjectPrivate::deleteChildren (this=this@entry=0x557bf803b110) at kernel/qobject.cpp:1997
#35 0x00007fe30f4f614b in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1025
#36 0x00007fe3127acb7b in QQuickItem::~QQuickItem (this=0x557bf9ca3fe0, __in_chrg=<optimized out>) at items/qquickitem.cpp:2378
#37 0x00007fe3127c96c5 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x557bf9ca3fe0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:103
#38 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x557bf9ca3fe0, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:103
#39 0x00007fe30f4ef660 in QObject::event (this=this@entry=0x557bf9ca3fe0, e=e@entry=0x557bf9bf82f0) at kernel/qobject.cpp:1242
#40 0x00007fe3127a9aeb in QQuickItem::event (this=0x557bf9ca3fe0, ev=0x557bf9bf82f0) at items/qquickitem.cpp:8003
#41 0x00007fe310ad6e8c in QApplicationPrivate::notify_helper (this=this@entry=0x557bf781e520, receiver=receiver@entry=0x557bf9ca3fe0, e=e@entry=0x557bf9bf82f0) at kernel/qapplication.cpp:3727
#42 0x00007fe310ade45f in QApplication::notify (this=0x7ffcf51e5930, receiver=0x557bf9ca3fe0, e=0x557bf9bf82f0) at kernel/qapplication.cpp:3486
#43 0x00007fe30f4bfab8 in QCoreApplication::notifyInternal2 (receiver=0x557bf9ca3fe0, event=event@entry=0x557bf9bf82f0) at kernel/qcoreapplication.cpp:1048
#44 0x00007fe30f4c25fd in QCoreApplication::sendEvent (event=0x557bf9bf82f0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x557bf781df30) at kernel/qcoreapplication.cpp:1745
#46 0x00007fe30f4c2bb8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1599
#47 0x00007fe30f51a453 in postEventSourceDispatch (s=0x557bf78748b0) at kernel/qeventdispatcher_glib.cpp:276
#48 0x00007fe30914e287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007fe30914e4c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fe30914e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fe30f519a7f in QEventDispatcherGlib::processEvents (this=0x557bf787bc80, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#52 0x00007fe303c00ed1 in QPAEventDispatcherGlib::processEvents (this=0x557bf787bc80, flags=...) at qeventdispatcher_glib.cpp:69
#53 0x00007fe30f4bddea in QEventLoop::exec (this=this@entry=0x7ffcf51e5870, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#54 0x00007fe30f4c6fa0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#55 0x0000557bf571e808 in ?? ()
#56 0x00007fe30eaebb97 in __libc_start_main (main=0x557bf571df30, argc=1, argv=0x7ffcf51e5af8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcf51e5ae8) at ../csu/libc-start.c:310
#57 0x0000557bf571ea8a in _start ()

Possible duplicates by query: bug 399733, bug 399555, bug 399005, bug 397907, bug 390480.

Reported using DrKonqi