Application: plasma-discover (5.14.5)

Qt Version: 5.11.2
Frameworks Version: 5.54.0
Operating System: Linux 4.15.0-43-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
Open the software, and anytime it go to crash

The crash can be reproduced every time.

-- Backtrace:
Application: Scopri (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f76f0e6b200 (LWP 5444))]

Thread 15 (Thread 0x7f768dafc700 (LWP 6197)):
#0  0x00007f76e8ae5ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f768dafbc30, expected=0, futex_word=0x564fd742cd50) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f768dafbd00, mutex=0x564fd742cd00, cond=0x564fd742cd28) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x564fd742cd28, mutex=0x564fd742cd00, abstime=0x7f768dafbd00) at pthread_cond_wait.c:667
#3  0x00007f76ecaef880 in QWaitConditionPrivate::wait_relative (time=30000, this=0x564fd742cd00) at thread/qwaitcondition_unix.cpp:133
#4  QWaitConditionPrivate::wait (time=30000, this=0x564fd742cd00) at thread/qwaitcondition_unix.cpp:141
#5  QWaitCondition::wait (this=this@entry=0x564fd7939e80, mutex=mutex@entry=0x564fd8c686e0, time=30000) at thread/qwaitcondition_unix.cpp:215
#6  0x00007f76ecae628d in QThreadPoolThread::run (this=0x564fd7939e70) at thread/qthreadpool.cpp:146
#7  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd7939e70) at thread/qthread_unix.cpp:367
#8  0x00007f76e8adf6db in start_thread (arg=0x7f768dafc700) at pthread_create.c:463
#9  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f768e2fd700 (LWP 6196)):
#0  0x00007f76e8ae5ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f768e2fcc30, expected=0, futex_word=0x564fd9a05500) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f768e2fcd00, mutex=0x564fd9a054b0, cond=0x564fd9a054d8) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x564fd9a054d8, mutex=0x564fd9a054b0, abstime=0x7f768e2fcd00) at pthread_cond_wait.c:667
#3  0x00007f76ecaef880 in QWaitConditionPrivate::wait_relative (time=30000, this=0x564fd9a054b0) at thread/qwaitcondition_unix.cpp:133
#4  QWaitConditionPrivate::wait (time=30000, this=0x564fd9a054b0) at thread/qwaitcondition_unix.cpp:141
#5  QWaitCondition::wait (this=this@entry=0x564fd78cede0, mutex=mutex@entry=0x564fd8c686e0, time=30000) at thread/qwaitcondition_unix.cpp:215
#6  0x00007f76ecae628d in QThreadPoolThread::run (this=0x564fd78cedd0) at thread/qthreadpool.cpp:146
#7  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd78cedd0) at thread/qthread_unix.cpp:367
#8  0x00007f76e8adf6db in start_thread (arg=0x7f768e2fd700) at pthread_create.c:463
#9  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f768ffff700 (LWP 6195)):
#0  0x00007f76e8ae5ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f768fffec30, expected=0, futex_word=0x564fd9cc2290) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f768fffed00, mutex=0x564fd9cc2240, cond=0x564fd9cc2268) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x564fd9cc2268, mutex=0x564fd9cc2240, abstime=0x7f768fffed00) at pthread_cond_wait.c:667
#3  0x00007f76ecaef880 in QWaitConditionPrivate::wait_relative (time=30000, this=0x564fd9cc2240) at thread/qwaitcondition_unix.cpp:133
#4  QWaitConditionPrivate::wait (time=30000, this=0x564fd9cc2240) at thread/qwaitcondition_unix.cpp:141
#5  QWaitCondition::wait (this=this@entry=0x564fd9a7fd50, mutex=mutex@entry=0x564fd7bdef60, time=30000) at thread/qwaitcondition_unix.cpp:215
#6  0x00007f76ecae628d in QThreadPoolThread::run (this=0x564fd9a7fd40) at thread/qthreadpool.cpp:146
#7  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd9a7fd40) at thread/qthread_unix.cpp:367
#8  0x00007f76e8adf6db in start_thread (arg=0x7f768ffff700) at pthread_create.c:463
#9  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f76a48a5700 (LWP 5467)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f76e698a17f in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e69437e5 in g_main_context_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76e6944873 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f76ac77ccf1 in fwupd_client_update_metadata () from /usr/lib/x86_64-linux-gnu/libfwupd.so.2
#5  0x00007f76ac9a035b in FwupdBackend::refreshRemote (backend=0x564fd7bc7520, remote=remote@entry=0x7f76880022c0, cacheAge=cacheAge@entry=86400, cancellable=0x564fd7051ae0) at ./libdiscover/backends/FwupdBackend/FwupdBackend.cpp:340
#6  0x00007f76ac9a15a8 in FwupdBackend::<lambda()>::operator() (__closure=0x564fd7995488) at ./libdiscover/backends/FwupdBackend/FwupdBackend.cpp:440
#7  QtConcurrent::StoredFunctorCall0<_GPtrArray*, FwupdBackend::checkForUpdates()::<lambda()> >::runFunctor (this=0x564fd7995460) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentstoredfunctioncall.h:60
#8  QtConcurrent::RunFunctionTask<_GPtrArray*>::run (this=0x564fd7995460) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentrunbase.h:108
#9  0x00007f76ecae6002 in QThreadPoolThread::run (this=0x564fd79d6310) at thread/qthreadpool.cpp:101
#10 0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd79d6310) at thread/qthread_unix.cpp:367
#11 0x00007f76e8adf6db in start_thread (arg=0x7f76a48a5700) at pthread_create.c:463
#12 0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f76a50a6700 (LWP 5466)):
#0  0x00007f76ec3d9bf9 in __GI___poll (fds=0x7f7694053d20, nfds=1, timeout=103369) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f76e6944539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76ecd1404b in QEventDispatcherGlib::processEvents (this=0x7f7694000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7f76a50a5da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f76ecae3bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd7981960) at thread/qthread_unix.cpp:367
#7  0x00007f76e8adf6db in start_thread (arg=0x7f76a50a6700) at pthread_create.c:463
#8  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f76a75bd700 (LWP 5454)):
#0  0x00007f76ec3d50b4 in __GI___libc_read (fd=26, buf=0x7f76a75bccd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f76e6988cd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e6944027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76e69444e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f76e69448d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f76b2315026 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f76e696c105 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f76e8adf6db in start_thread (arg=0x7f76a75bd700) at pthread_create.c:463
#8  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f76a7dbe700 (LWP 5453)):
#0  0x00007f76e698a049 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f76e694451f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76e6944691 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f76e696c105 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f76e8adf6db in start_thread (arg=0x7f76a7dbe700) at pthread_create.c:463
#6  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f76adfb5700 (LWP 5451)):
#0  0x00007f76ec3d9bf9 in __GI___poll (fds=0x7f76a0128910, nfds=1, timeout=103369) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f76e6944539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76ecd1404b in QEventDispatcherGlib::processEvents (this=0x7f76a0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7f76adfb4da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f76ecae3bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd7b5d340) at thread/qthread_unix.cpp:367
#7  0x00007f76e8adf6db in start_thread (arg=0x7f76adfb5700) at pthread_create.c:463
#8  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f76af2f5700 (LWP 5450)):
#0  0x00007f76ec3d50b4 in __GI___libc_read (fd=19, buf=0x7f76af2f4b90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f76e6988cd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e6944027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76e69444e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f76ecd1404b in QEventDispatcherGlib::processEvents (this=0x7f76a8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7f76af2f4da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#7  0x00007f76ecae3bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#8  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd70ca1f0) at thread/qthread_unix.cpp:367
#9  0x00007f76e8adf6db in start_thread (arg=0x7f76af2f5700) at pthread_create.c:463
#10 0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f76bb5ef700 (LWP 5449)):
#0  0x00007f76ec3d9bf9 in __GI___poll (fds=0x7f76b4004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f76e6944539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76ecd1404b in QEventDispatcherGlib::processEvents (this=0x7f76b4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7f76bb5eed30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f76ecae3bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f76f00f3826 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd7756ea0) at thread/qthread_unix.cpp:367
#8  0x00007f76e8adf6db in start_thread (arg=0x7f76bb5ef700) at pthread_create.c:463
#9  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f76c0f4d700 (LWP 5448)):
#0  0x00007f76e8ae59f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564fd70908d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x564fd7090888, cond=0x564fd70908b0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x564fd70908b0, mutex=0x564fd7090888) at pthread_cond_wait.c:655
#3  0x00007f76c641446b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f76c6414197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f76e8adf6db in start_thread (arg=0x7f76c0f4d700) at pthread_create.c:463
#6  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f76d497c700 (LWP 5447)):
#0  0x00007f76e69414a2 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f76e69439d3 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e694446b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f76ecd1404b in QEventDispatcherGlib::processEvents (this=0x7f76c8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7f76d497bd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007f76ecae3bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#7  0x00007f76ed68b4f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd70a3720) at thread/qthread_unix.cpp:367
#9  0x00007f76e8adf6db in start_thread (arg=0x7f76d497c700) at pthread_create.c:463
#10 0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f76d5b8d700 (LWP 5446)):
#0  0x00007f76e698a064 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f76e6943427 in g_main_context_acquire () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f76e69443f5 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f76ecd1404b in QEventDispatcherGlib::processEvents (this=0x7f76d0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7f76d5b8cd70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007f76ecae3bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#7  0x00007f76ee9e5e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x7f76eec5dd60) at thread/qthread_unix.cpp:367
#9  0x00007f76e8adf6db in start_thread (arg=0x7f76d5b8d700) at pthread_create.c:463
#10 0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f76de401700 (LWP 5445)):
#0  0x00007f76ec3d9bf9 in __GI___poll (fds=0x7f76de400ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f76e6079747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f76e607b36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f76e13c1ed9 in QXcbEventReader::run (this=0x564fd6fe3400) at qxcbconnection.cpp:1391
#4  0x00007f76ecaeeadb in QThreadPrivate::start (arg=0x564fd6fe3400) at thread/qthread_unix.cpp:367
#5  0x00007f76e8adf6db in start_thread (arg=0x7f76de401700) at pthread_create.c:463
#6  0x00007f76ec3e688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f76f0e6b200 (LWP 5444)):
[KCrash Handler]
#6  0x00007f76efd8cd62 in AbstractResource::reportNewState (this=0x564fd93a73f0) at ./libdiscover/resources/AbstractResource.cpp:143
#7  0x00007f76ecce918f in QtPrivate::QSlotObjectBase::call (a=0x7ffd4f12a150, r=0x564fd93a73f0, this=0x7f7690013b90) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#8  QMetaObject::activate (sender=sender@entry=0x564fd93a73f0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3754
#9  0x00007f76ecce9747 in QMetaObject::activate (sender=sender@entry=0x564fd93a73f0, m=m@entry=0x7f76effbf400 <AbstractResource::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3633
#10 0x00007f76efd9dcf3 in AbstractResource::stateChanged (this=this@entry=0x564fd93a73f0) at ./obj-x86_64-linux-gnu/libdiscover/DiscoverCommon_autogen/3YJK5W5UP7/moc_AbstractResource.cpp:430
#11 0x00007f76ac998a2d in FwupdResource::setState (this=this@entry=0x564fd93a73f0, state=state@entry=AbstractResource::Upgradeable) at ./libdiscover/backends/FwupdBackend/FwupdResource.cpp:141
#12 0x00007f76ac99dcb5 in FwupdBackend::createApp (this=this@entry=0x564fd7bc7520, device=device@entry=0x7f7688008290) at ./libdiscover/backends/FwupdBackend/FwupdBackend.cpp:235
#13 0x00007f76ac99e4e7 in FwupdBackend::addUpdates (this=0x564fd7bc7520) at ./libdiscover/backends/FwupdBackend/FwupdBackend.cpp:146
#14 0x00007f76ac99edc1 in FwupdBackend::<lambda()>::operator() (__closure=0x564fd76eead0) at ./libdiscover/backends/FwupdBackend/FwupdBackend.cpp:414
#15 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, FwupdBackend::checkForUpdates()::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:128
#16 QtPrivate::Functor<FwupdBackend::checkForUpdates()::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:238
#17 QtPrivate::QFunctorSlotObject<FwupdBackend::checkForUpdates()::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x564fd76eeac0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:421
#18 0x00007f76ecce918f in QtPrivate::QSlotObjectBase::call (a=0x7ffd4f12a440, r=0x564fd7bc7520, this=0x564fd76eeac0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#19 QMetaObject::activate (sender=0x7f76d8008590, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3754
#20 0x00007f76ecaec223 in QFutureWatcherBase::event (this=<optimized out>, event=0x7f76900098c0) at thread/qfuturewatcher.cpp:332
#21 0x00007f76ee2d5e1c in QApplicationPrivate::notify_helper (this=this@entry=0x564fd6fe9520, receiver=receiver@entry=0x7f76d8008590, e=e@entry=0x7f76900098c0) at kernel/qapplication.cpp:3727
#22 0x00007f76ee2dd3ef in QApplication::notify (this=0x7ffd4f12aa50, receiver=0x7f76d8008590, e=0x7f76900098c0) at kernel/qapplication.cpp:3486
#23 0x00007f76eccb9fe8 in QCoreApplication::notifyInternal2 (receiver=0x7f76d8008590, event=event@entry=0x7f76900098c0) at kernel/qcoreapplication.cpp:1048
#24 0x00007f76eccbcb2d in QCoreApplication::sendEvent (event=0x7f76900098c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x564fd6fe8f30) at kernel/qcoreapplication.cpp:1745
#26 0x00007f76eccbd0e8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1599
#27 0x00007f76ecd149f3 in postEventSourceDispatch (s=0x564fd7050f90) at kernel/qeventdispatcher_glib.cpp:276
#28 0x00007f76e6944387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f76e69445c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f76e694464c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f76ecd1402f in QEventDispatcherGlib::processEvents (this=0x564fd704a440, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#32 0x00007f76e144d761 in QPAEventDispatcherGlib::processEvents (this=0x564fd704a440, flags=...) at qeventdispatcher_glib.cpp:69
#33 0x00007f76eccb830a in QEventLoop::exec (this=this@entry=0x7ffd4f12a990, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#34 0x00007f76eccc14d0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#35 0x0000564fd6b5e868 in main (argc=<optimized out>, argv=<optimized out>) at ./discover/main.cpp:156

Possible duplicates by query: bug 402523, bug 402328.

Reported using DrKonqi