.
Thread 3 (Thread 0x7f6de5cbc700 (LWP 7785)):
#0  0x00007f6df2850e8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f6ded889c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#2  0x00007f6ded88b8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#3  0x00007f6de800e629 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
No symbol table info available.
#4  0x00007f6df2f4b84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007f6df063e6fa in start_thread (arg=0x7f6de5cbc700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f6de5cbc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140109983500032, -2000963890561284051, 0, 140736701800495, 140109983500736, 21760576, 1936809961991833645, 1936764678236276781}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f6df285cb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7f6dd417e700 (LWP 7787)):
#0  0x00007f6df2850e8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f6deff0631c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6deff0642c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fffd11e2730 in ?? ()
No symbol table info available.
#4  0x00007f6dcc0008e0 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007f6df3182a7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007f6df3129dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007f6df2f468a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#9  0x00007f6df2f4b84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#10 0x00007f6df063e6fa in start_thread (arg=0x7f6dd417e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f6dd417e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140109686499072, -2000963890561284051, 0, 140736701798383, 140109686499776, 24356640, 1936703827981240365, 1936764678236276781}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#11 0x00007f6df285cb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7f6df51778c0 (LWP 7784)):
#0  __memmove_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:2816
No locals.
#1  0x00007f6df4eee895 in ?? () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
No symbol table info available.
#2  0x00007f6df4eed794 in TransactionModel::removeTransaction(Transaction*) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
No symbol table info available.
#3  0x00007f6df4efa104 in ResourcesUpdatesModel::slotProgressingChanged(bool) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
No symbol table info available.
#4  0x00007f6df315ae4f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007f6df4f04252 in AbstractBackendUpdater::progressingChanged(bool) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
No symbol table info available.
#6  0x00007f6dd36c9d81 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
No symbol table info available.
#7  0x00007f6df315ae4f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007f6dd36b7c6d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
No symbol table info available.
#9  0x00007f6dd36b8a02 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
No symbol table info available.
#10 0x00007f6dd36ca4ea in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
No symbol table info available.
#11 0x00007f6df315afca in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007f6dd2cfcf51 in QApt::Transaction::finished (this=this@entry=0x3c20bc0, _t1=QApt::ExitSuccess) at /build/libqapt-2Zewsb/libqapt-3.0.2/obj-x86_64-linux-gnu/src/moc_transaction.cpp:570
        _a = {0x0, 0x7fffd11e1c3c}
#13 0x00007f6dd2cf11df in QApt::Transaction::updateProperty (this=0x3c20bc0, type=<optimized out>, variant=...) at /build/libqapt-2Zewsb/libqapt-3.0.2/src/transaction.cpp:660
No locals.
#14 0x00007f6dd2cfdc4f in QApt::Transaction::qt_static_metacall (_o=0x3c20bc0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /build/libqapt-2Zewsb/libqapt-3.0.2/obj-x86_64-linux-gnu/src/moc_transaction.cpp:284
        _t = 0x3c20bc0
#15 0x00007f6df315afca in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#16 0x00007f6dd2cfa9bf in OrgKubuntuQaptworker3TransactionInterface::propertyChanged (_t2=..., _t1=11, this=0x19e6e40) at /build/libqapt-2Zewsb/libqapt-3.0.2/obj-x86_64-linux-gnu/src/transactioninterface_p.moc:365
        _a = {0x0, 0x7fffd11e1ed0, 0x19c8760}
#17 OrgKubuntuQaptworker3TransactionInterface::qt_static_metacall (_o=_o@entry=0x19e6e40, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=4, _a=_a@entry=0x7fffd11e2080) at /build/libqapt-2Zewsb/libqapt-3.0.2/obj-x86_64-linux-gnu/src/transactioninterface_p.moc:186
        _t = 0x19e6e40
#18 0x00007f6dd2cfbd80 in OrgKubuntuQaptworker3TransactionInterface::qt_metacall (this=0x19e6e40, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fffd11e2080) at /build/libqapt-2Zewsb/libqapt-3.0.2/obj-x86_64-linux-gnu/src/transactioninterface_p.moc:306
No locals.
#19 0x00007f6df520f913 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
No symbol table info available.
#20 0x00007f6df315bea1 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#21 0x00007f6df3a1f05c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#22 0x00007f6df3a24516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#23 0x00007f6df312c62b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#24 0x00007f6df312ea26 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#25 0x00007f6df3182673 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#26 0x00007f6deff06127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007f6deff06380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#28 0x00007f6deff0642c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#29 0x00007fffd11e2730 in ?? ()
No symbol table info available.
#30 0x0000000001503ff0 in ?? ()
No symbol table info available.
#31 0x0000000000000001 in ?? ()
No symbol table info available.
#32 0x00007f6df3182a7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#33 0x00007f6df3129dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#34 0x00007f6df3131e8c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#35 0x000000000040cbbd in ?? ()
No symbol table info available.
#36 0x00007f6df2776830 in __libc_start_main (main=0x40c6e0, argc=1, argv=0x7fffd11e2898, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd11e2888) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2000964429680342995, 4246576, 140736701802640, 0, 0, 2000873449554577453, 1936760181365278765}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x40c6e0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
        not_first_call = <optimized out>
#37 0x000000000040cc59 in _start ()
No symbol table info available.