https://bugs.kde.org/show_bug.cgi?id=372227

            Bug ID: 372227
           Summary: kf5-kded: QObject::disconnect(): kded5
           Product: frameworks-kded
           Version: 5.27.0
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: fa...@kde.org
          Reporter: ogldel...@mail.ru
                CC: kdelibs-b...@kde.org
  Target Milestone: ---

[New LWP 7174]
[New LWP 7289]
[New LWP 7358]
[New LWP 7150]
[New LWP 7273]
[New LWP 7357]
[New LWP 7269]
[New LWP 7272]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/kded5'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007ff16363b87d in QObject::disconnect (sender=0x7ff11c040890,
signal=signal@entry=0x0, receiver=receiver@entry=0x7ff13c0122b0,
method=method@entry=0x0) at kernel/qobject.cpp:2956
2956        const QMetaObject *smeta = sender->metaObject();
[Current thread is 1 (Thread 0x7ff14204b700 (LWP 7174))]

Thread 1 (Thread 0x7ff14204b700 (LWP 7174)):
#0  0x00007ff16363b87d in QObject::disconnect (sender=0x7ff11c040890,
signal=signal@entry=0x0, receiver=receiver@entry=0x7ff13c0122b0,
method=method@entry=0x0) at kernel/qobject.cpp:2956
        signal_arg = 0x0
        signal_name = {d = 0x7ff1636cab60 <QArrayData::shared_null>}
        signal_found = false
        method_name = {d = 0x7ff1636cab60 <QArrayData::shared_null>}
        method_arg = 0x0
        membcode = <optimized out>
        method_found = false
        res = false
        smeta = 0x7ff147cac8a0
<Solid::Backends::UDisks2::DeviceBackend::staticMetaObject>
        signalName = {d = 0x7ff1636cab60 <QArrayData::shared_null>}
        signalTypes = {a = 10, s = 0, ptr = 0x7ff14204aac0, {array =
"+\312w\257\000\000\000\000\230\345'\332!V\000\000\200a\005<\361\177\000\000t/~b\361\177\000\000\260\223\004<\361\177\000\000
\000\000<\361\177\000\000 \000\000<\361\177\000\000
\004\000\000\000\000\000\000C\000\000\000\000\000\000\000\a\000\000\000\000\000\000\000\320\005\006<\361\177\000\000\017\017~b\361\177\000\000\340\001\000\000\000\000\000\000\b\b\000\000\000\000\000\000\240\253\004B\361\177\000\000\237\253\004B\361\177\000\000
\000\000\000\000\000\000\000\030\000\000\000\000\000\000\000\300\253\004B\361\177\000\000\277\253\004B\361\177\000",
q_for_alignment_1 = 2943863339, q_for_alignment_2 = 1.4544617418514035e-314}}
        methodName = {d = 0x7ff1636cab60 <QArrayData::shared_null>}
        methodTypes = {a = 10, s = 0, ptr = 0x7ff14204ab70, {array =
"\004\000\000\000\000\000\000\000AT\373\275\016\200\377\377\000\000\000\000\000\000\000\000\002\000\000\000\060",
'\000' <repeats 19 times>, "[\000\000\000n", '\000' <repeats 19 times>,
"w\000\000\000|\000\000\000\260\"\001<\361\177\000\000
\000\000<\361\177\000\000\b\b\000\000\000\000\000\000+#t\257\000\000\000\000\260\"\001<\361\177\000\000
\000\000<\361\177\000\000\030\000\000\000\000\000\000\000`U\001<\361\177\000\000\260\223\004<\361\177\000\000P\330\005<\361\177\000",
q_for_alignment_1 = 4, q_for_alignment_2 = 1.9762625833649862e-323}}
#1  0x00007ff1652bffd0 in QObject::disconnect (member=0x0,
receiver=0x7ff13c0122b0, this=<optimized out>) at
../../src/corelib/kernel/qobject.h:359
No locals.
#2  QDBusConnectionPrivate::closeConnection (this=this@entry=0x7ff13c0122b0) at
qdbusintegrator.cpp:1133
        locker = {<QDBusLockerBase> = {<No data fields>}, self =
0x7ff13c0122b0, action = CloseConnectionAction}
        oldMode = <optimized out>
        allObjects = {q_hash = {{d = 0x7ff13c0493b0, e = 0x7ff13c0493b0}}}
        sit = <optimized out>
        oit = {i = {i = 0x7ff13c011060}}
#3  0x00007ff1652ac8c2 in QDBusConnectionManager::run (this=0x7ff165322060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:206
        d = 0x7ff13c0122b0
        it = {i = 0x7ff13c012c00}
        locker = {val = 140674761629809}
#4  0x00007ff163471a1a in QThreadPrivate::start (arg=0x7ff165322060 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:344
        __clframe = {__cancel_routine = 0x7ff163470b40
<QThreadPrivate::finish(void*)>, __cancel_arg = 0x7ff165322060 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>, __do_it = 1,
__cancel_type = <optimized out>}
        thr = 0x7ff165322060 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>
        data = <optimized out>
#5  0x00007ff1625466ca in start_thread (arg=0x7ff14204b700) at
pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff14204b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140674171451136,
8559708019580081564, 0, 140723477064655, 140674171451840, 140674171451136,
-8563395547042277988, -8563324488656611940}, 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  0x00007ff162864f6f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 2 (Thread 0x7ff10f8da700 (LWP 7289)):
#0  0x00007ff16285900d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff15e204156 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff108002a20, timeout=<optimized out>, context=0x7ff108000990)
at gmain.c:4228
        poll_func = 0x7ff15e214000 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7ff108000990,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7ff108002a20
#3  0x00007ff15e20426c in g_main_context_iteration (context=0x7ff108000990,
may_block=may_block@entry=1) at gmain.c:3990
        retval = <optimized out>
#4  0x00007ff16365ed6f in QEventDispatcherGlib::processEvents
(this=0x7ff1080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
        d = 0x7ff1080008e0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#5  0x00007ff1636100ba in QEventLoop::exec (this=this@entry=0x7ff10f8d9d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
        d = 0x7ff108002990
        locker = {val = 94703391001104}
        ref = {d = 0x7ff108002990, locker = @0x7ff10f8d9c80, exceptionCaught =
true}
#6  0x00007ff16346d643 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
        d = 0x5621d9fac9a0
        locker = {val = 94703391001104}
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ff16384c9f8 <vtable for
QEventLoop+16>, static staticMetaObject = {d = {superdata = 0x0, stringdata =
0x7ff16376fc80 <qt_meta_stringdata_QObject>, data = 0x7ff16376fb60
<qt_meta_data_QObject>, static_metacall = 0x7ff16363fed0
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x7ff108002990},
static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff1637b7a20
<qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60 <qt_meta_data_Qt>,
static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static
staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff1637cedc0
<qt_meta_stringdata_QEventLoop>, data = 0x7ff1637ced60
<qt_meta_data_QEventLoop>, static_metacall = 0x7ff1636a7710
<QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}}
        returnCode = <optimized out>
#7  0x00007ff163471a1a in QThreadPrivate::start (arg=0x5621d9f896b0) at
thread/qthread_unix.cpp:344
        __clframe = {__cancel_routine = 0x7ff163470b40
<QThreadPrivate::finish(void*)>, __cancel_arg = 0x5621d9f896b0, __do_it = 1,
__cancel_type = <optimized out>}
        thr = 0x5621d9f896b0
        data = <optimized out>
#8  0x00007ff1625466ca in start_thread (arg=0x7ff10f8da700) at
pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff10f8da700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140673324787456,
8559708019580081564, 0, 140723477064367, 140673324788160, 140673324787456,
-8563544060032051812, -8563324488656611940}, 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"
#9  0x00007ff162864f6f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 3 (Thread 0x7ff10e8d8700 (LWP 7358)):
#0  0x00007ff16285900d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff15e204156 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff1040025d0, timeout=<optimized out>, context=0x7ff104000990)
at gmain.c:4228
        poll_func = 0x7ff15e214000 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7ff104000990,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7ff1040025d0
#3  0x00007ff15e20426c in g_main_context_iteration (context=0x7ff104000990,
may_block=may_block@entry=1) at gmain.c:3990
        retval = <optimized out>
#4  0x00007ff16365ed6f in QEventDispatcherGlib::processEvents
(this=0x7ff1040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
        d = 0x7ff1040008e0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#5  0x00007ff1636100ba in QEventLoop::exec (this=this@entry=0x7ff10e8d7d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
        d = 0x7ff104002e70
        locker = {val = 94703387330128}
        ref = {d = 0x7ff104002e70, locker = @0x7ff10e8d7c80, exceptionCaught =
true}
#6  0x00007ff16346d643 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
        d = 0x5621d9c2c5e0
        locker = {val = 94703387330128}
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ff16384c9f8 <vtable for
QEventLoop+16>, static staticMetaObject = {d = {superdata = 0x0, stringdata =
0x7ff16376fc80 <qt_meta_stringdata_QObject>, data = 0x7ff16376fb60
<qt_meta_data_QObject>, static_metacall = 0x7ff16363fed0
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x7ff104002e70},
static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff1637b7a20
<qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60 <qt_meta_data_Qt>,
static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static
staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff1637cedc0
<qt_meta_stringdata_QEventLoop>, data = 0x7ff1637ced60
<qt_meta_data_QEventLoop>, static_metacall = 0x7ff1636a7710
<QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}}
        returnCode = <optimized out>
#7  0x00007ff163471a1a in QThreadPrivate::start (arg=0x5621d9f08280) at
thread/qthread_unix.cpp:344
        __clframe = {__cancel_routine = 0x7ff163470b40
<QThreadPrivate::finish(void*)>, __cancel_arg = 0x5621d9f08280, __do_it = 1,
__cancel_type = <optimized out>}
        thr = 0x5621d9f08280
        data = <optimized out>
#8  0x00007ff1625466ca in start_thread (arg=0x7ff10e8d8700) at
pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff10e8d8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140673308002048,
8559708019580081564, 0, 140723477063839, 140673308002752, 140673308002048,
-8563546255834081892, -8563324488656611940}, 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"
#9  0x00007ff162864f6f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 4 (Thread 0x7ff1651af8c0 (LWP 7150)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007ff163469ddf in _q_futex (timeout=0x0, val=1, op=1, addr=<optimized
out>) at thread/qmutex_linux.cpp:123
        int_addr = <optimized out>
#2  QBasicMutex::unlockInternal (this=<optimized out>) at
thread/qmutex_linux.cpp:200
No locals.
#3  0x00007ff163469e37 in QMutex::unlock (this=<optimized out>) at
thread/qmutex.cpp:282
        current = <optimized out>
#4  0x00007ff16346cf74 in QMutexLocker::unlock (this=<synthetic pointer>) at
thread/qmutex.h:147
No locals.
#5  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized
out>) at thread/qmutex.h:141
No locals.
#6  QThread::exit (this=this@entry=0x7ff165322060 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>,
returnCode=returnCode@entry=0) at thread/qthread.cpp:539
        d = <optimized out>
        locker = <optimized out>
#7  0x00007ff16346cfc7 in QThread::quit (this=this@entry=0x7ff165322060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:559
No locals.
#8  0x00007ff1652ac607 in QDBusConnectionManager::~QDBusConnectionManager
(this=0x7ff165322060 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>, __in_chrg=<optimized
out>) at qdbusconnection.cpp:174
No locals.
#9  0x00007ff1652ac6a9 in (anonymous
namespace)::Q_QGS__q_manager::Holder::~Holder (this=<optimized out>,
__in_chrg=<optimized out>) at qdbusconnection.cpp:76
No locals.
#10 0x00007ff162797420 in __run_exit_handlers (status=status@entry=1,
listp=0x3, run_list_atexit=run_list_atexit@entry=true,
run_dtors=run_dtors@entry=true) at exit.c:83
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#11 0x00007ff16279747a in __GI_exit (status=status@entry=1) at exit.c:105
No locals.
#12 0x00007ff1537a0183 in QXcbConnection::processXcbEvents
(this=0x5621d9b60660) at qxcbconnection.cpp:1699
        connection_error = 1
        eventqueue = <optimized out>
#13 0x00007ff1636390d9 in QObject::event (this=0x5621d9b60660, e=<optimized
out>) at kernel/qobject.cpp:1263
        mce = <optimized out>
        sw = {receiver = 0x5621d9b60660, previousSender = 0x0, currentSender =
{sender = 0x5621d9b6c4d0, signal = 4, ref = 1}, switched = true}
#14 0x00007ff164a0f96c in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x5621d9b60660, e=0x7ff148003de0) at
kernel/qapplication.cpp:3799
        consumed = <optimized out>
        this = <optimized out>
        e = 0x7ff148003de0
        receiver = 0x5621d9b60660
#15 0x00007ff164a17111 in QApplication::notify (this=0x7ffcbcdcb090,
receiver=0x5621d9b60660, e=0x7ff148003de0) at kernel/qapplication.cpp:3556
        w = 0x5621d9b60660
        extra = <optimized out>
        isProxyWidget = <optimized out>
        res = false
#16 0x00007ff16361112a in QCoreApplication::notifyInternal2
(receiver=0x5621d9b60660, event=event@entry=0x7ff148003de0) at
kernel/qcoreapplication.cpp:988
        selfRequired = true
        result = false
        cbdata = {0x5621d9b60660, 0x7ff148003de0, 0x7ffcbcdcac6f}
        d = <optimized out>
        threadData = 0x5621d9b46eb0
        scopeLevelCounter = {threadData = 0x5621d9b46eb0}
#17 0x00007ff163613800 in QCoreApplication::sendEvent (event=0x7ff148003de0,
receiver=<optimized out>) at kernel/qcoreapplication.h:231
No locals.
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x5621d9b46eb0) at
kernel/qcoreapplication.cpp:1649
        e = 0x7ff148003de0
        pe = <optimized out>
        r = <optimized out>
        unlocker = {m = <synthetic pointer><error reading variable>}
        event_deleter = {d = 0x7ff148003de0}
        locker = {val = 94703386390240}
        startOffset = 0
        i = @0x5621d9b46ed4: 1
        cleanup = {receiver = 0x0, event_type = 0, data = 0x5621d9b46eb0,
exceptionCaught = true}
#19 0x00007ff163613cd8 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1503
        data = <optimized out>
#20 0x00007ff16365ecf3 in postEventSourceDispatch (s=0x5621d9bb2370) at
kernel/qeventdispatcher_glib.cpp:276
        source = 0x5621d9bb2370
#21 0x00007ff15e203e42 in g_main_dispatch (context=0x7ff1480016f0) at
gmain.c:3203
        dispatch = 0x7ff16365ece0 <postEventSourceDispatch(GSource*,
GSourceFunc, gpointer)>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x5621d9bb2370
        current = 0x7ff11c002760
        i = 0
#22 g_main_context_dispatch (context=context@entry=0x7ff1480016f0) at
gmain.c:3856
No locals.
#23 0x00007ff15e2041c0 in g_main_context_iterate
(context=context@entry=0x7ff1480016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3929
        max_priority = 2147483647
        timeout = 22748
        some_ready = 1
        nfds = 7
        allocated_nfds = 8
        fds = <optimized out>
#24 0x00007ff15e20426c in g_main_context_iteration (context=0x7ff1480016f0,
may_block=may_block@entry=1) at gmain.c:3990
        retval = <optimized out>
#25 0x00007ff16365ed6f in QEventDispatcherGlib::processEvents
(this=0x5621d9bc1780, flags=...) at kernel/qeventdispatcher_glib.cpp:423
        d = 0x5621d9baa370
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#26 0x00007ff1636100ba in QEventLoop::exec (this=this@entry=0x7ffcbcdcaf60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
        d = 0x5621d9c65830
        locker = {val = 94703386390464}
        ref = {d = 0x5621d9c65830, locker = @0x7ffcbcdcaee0, exceptionCaught =
true}
#27 0x00007ff163617bac in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1261
        threadData = 0x5621d9b46eb0
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ff16384c9f8 <vtable for
QEventLoop+16>, static staticMetaObject = {d = {superdata = 0x0, stringdata =
0x7ff16376fc80 <qt_meta_stringdata_QObject>, data = 0x7ff16376fb60
<qt_meta_data_QObject>, static_metacall = 0x7ff16363fed0
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x5621d9c65830},
static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff1637b7a20
<qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60 <qt_meta_data_Qt>,
static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static
staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff1637cedc0
<qt_meta_stringdata_QEventLoop>, data = 0x7ff1637ced60
<qt_meta_data_QEventLoop>, static_metacall = 0x7ff1636a7710
<QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}}
        returnCode = <optimized out>
#28 0x00007ff1644fd72c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1639
No locals.
#29 0x00007ff164a0f8c5 in QApplication::exec () at kernel/qapplication.cpp:2975
No locals.
#30 0x00007ff164f24230 in kdemain (argc=<optimized out>, argv=<optimized out>)
at /usr/src/debug/kded-5.27.0/src/kded.cpp:792
        app = {<QGuiApplication> = {<QCoreApplication> = {<QObject> =
{_vptr.QObject = 0x7ff164ee8768 <vtable for QApplication+16>, static
staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff16376fc80
<qt_meta_stringdata_QObject>, data = 0x7ff16376fb60 <qt_meta_data_QObject>,
static_metacall = 0x7ff16363fed0 <QObject::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, extradata = 0x0}},
d_ptr = {d = 0x5621d9b46d40}, static staticQtMetaObject = {d = {superdata =
0x0, stringdata = 0x7ff1637b7a20 <qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60
<qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0, extradata =
0x0}}}, static staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff1637cef80
<qt_meta_stringdata_QCoreApplication>, data = 0x7ff1637cee60
<qt_meta_data_QCoreApplication>, static_metacall = 0x7ff1636a7890
<QCoreApplication::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}, static self =
0x7ffcbcdcb090}, static staticMetaObject = {d = {superdata = 0x7ff16384cb40
<QCoreApplication::staticMetaObject>, stringdata = 0x7ff1647eee60
<qt_meta_stringdata_QGuiApplication>, data = 0x7ff1647eec20
<qt_meta_data_QGuiApplication>, static_metacall = 0x7ff164507b10
<QGuiApplication::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}}, static staticMetaObject
= {d = {superdata = 0x7ff16489f5e0 <QGuiApplication::staticMetaObject>,
stringdata = 0x7ff164d9f220 <qt_meta_stringdata_QApplication>, data =
0x7ff164d9f0a0 <qt_meta_data_QApplication>, static_metacall = 0x7ff164a14790
<QApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}}
        parser = {d = 0x5621d9ba1c20}
        service = {<QObject> = {_vptr.QObject = 0x7ff163f02630 <vtable for
KDBusService+16>, static staticMetaObject = {d = {superdata = 0x0, stringdata =
0x7ff16376fc80 <qt_meta_stringdata_QObject>, data = 0x7ff16376fb60
<qt_meta_data_QObject>, static_metacall = 0x7ff16363fed0
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x5621d9bc4370},
static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff1637b7a20
<qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60 <qt_meta_data_Qt>,
static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static
staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff163d00200
<qt_meta_stringdata_KDBusService>, data = 0x7ff163d000e0
<qt_meta_data_KDBusService>, static_metacall = 0x7ff163cfd890
<KDBusService::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d = 0x5621d9bc25b0}
        bus = <optimized out>
        plugins = {d = 0x5621d9bce2f0}
        config = {d = 0x5621d9ba2620}
        cg = {<KConfigBase> = {_vptr.KConfigBase = 0x7ff16415e3d8 <vtable for
KConfigGroup+16>}, d = {d = 0x5621d9bd06f0}}
        kded = 0x5621d9bca1c0
        ksplashProgressMessage = {d_ptr = 0x5621d9c0bb10}
        result = <optimized out>
#31 0x00007ff16277d401 in __libc_start_main (main=0x5621d9008850 <main>,
argc=1, argv=0x7ffcbcdcb248, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcbcdcb238) at ../csu/libc-start.c:289
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2699482368378268260,
94703374600288, 140723477066304, 0, 0, -8560418551003736676,
-8563324245553179236}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0,
0x7ffcbcdcb258, 0x7ff165353128}, data = {prev = 0x0, cleanup = 0x0, canceltype
= -1126387112}}}
        not_first_call = <optimized out>
#32 0x00005621d900888a in _start ()
No symbol table info available.

Thread 5 (Thread 0x7ff120870700 (LWP 7273)):
#0  0x00007ff16285900d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff15e204156 in g_main_context_poll (priority=<optimized out>,
n_fds=2, fds=0x7ff1180010c0, timeout=<optimized out>, context=0x5621d9f22140)
at gmain.c:4228
        poll_func = 0x7ff15e214000 <g_poll>
#2  g_main_context_iterate (context=0x5621d9f22140, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7ff1180010c0
#3  0x00007ff15e2044e2 in g_main_loop_run (loop=0x5621d9f1fbe0) at gmain.c:4125
        __func__ = "g_main_loop_run"
#4  0x00007ff14f852946 in gdbus_shared_thread_func (user_data=0x5621d9f1d870)
at gdbusprivate.c:247
        data = 0x5621d9f1d870
#5  0x00007ff15e22bb03 in g_thread_proxy (data=0x5621d9f66ca0) at gthread.c:784
        thread = 0x5621d9f66ca0
        __func__ = "g_thread_proxy"
#6  0x00007ff1625466ca in start_thread (arg=0x7ff120870700) at
pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff120870700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140673609565952,
8559708019580081564, 0, 140723477063343, 140673609566656, 140673609565952,
-8563471433208818276, -8563324488656611940}, 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"
#7  0x00007ff162864f6f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 6 (Thread 0x7ff10f0d9700 (LWP 7357)):
#0  0x00007ff16285900d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff15e204156 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff1000048c0, timeout=<optimized out>, context=0x7ff100000990)
at gmain.c:4228
        poll_func = 0x7ff15e214000 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7ff100000990,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7ff1000048c0
#3  0x00007ff15e20426c in g_main_context_iteration (context=0x7ff100000990,
may_block=may_block@entry=1) at gmain.c:3990
        retval = <optimized out>
#4  0x00007ff16365ed6f in QEventDispatcherGlib::processEvents
(this=0x7ff1000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
        d = 0x7ff1000008e0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#5  0x00007ff1636100ba in QEventLoop::exec (this=this@entry=0x7ff10f0d8cc0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
        d = 0x7ff100004830
        locker = {val = 94703394674528}
        ref = {d = 0x7ff100004830, locker = @0x7ff10f0d8c40, exceptionCaught =
true}
#6  0x00007ff16346d643 in QThread::exec (this=this@entry=0x5621d9f7bf20) at
thread/qthread.cpp:507
        d = 0x5621da32d6f0
        locker = {val = 94703394674528}
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ff16384c9f8 <vtable for
QEventLoop+16>, static staticMetaObject = {d = {superdata = 0x0, stringdata =
0x7ff16376fc80 <qt_meta_stringdata_QObject>, data = 0x7ff16376fb60
<qt_meta_data_QObject>, static_metacall = 0x7ff16363fed0
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x7ff100004830},
static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff1637b7a20
<qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60 <qt_meta_data_Qt>,
static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static
staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff1637cedc0
<qt_meta_stringdata_QEventLoop>, data = 0x7ff1637ced60
<qt_meta_data_QEventLoop>, static_metacall = 0x7ff1636a7710
<QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}}
        returnCode = <optimized out>
#7  0x00007ff111feb2c7 in KCupsConnection::run (this=0x5621d9f7bf20) at
/usr/src/debug/print-manager-16.08.2/libkcups/KCupsConnection.cpp:304
No locals.
#8  0x00007ff163471a1a in QThreadPrivate::start (arg=0x5621d9f7bf20) at
thread/qthread_unix.cpp:344
        __clframe = {__cancel_routine = 0x7ff163470b40
<QThreadPrivate::finish(void*)>, __cancel_arg = 0x5621d9f7bf20, __do_it = 1,
__cancel_type = <optimized out>}
        thr = 0x5621d9f7bf20
        data = <optimized out>
#9  0x00007ff1625466ca in start_thread (arg=0x7ff10f0d9700) at
pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff10f0d9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140673316394752,
8559708019580081564, 0, 140723477063631, 140673316395456, 140673316394752,
-8563542959983553124, -8563324488656611940}, 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"
#10 0x00007ff162864f6f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.

Thread 7 (Thread 0x7ff1241f9700 (LWP 7269)):
#0  0x00007ff16285900d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff15e204156 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff11c003270, timeout=<optimized out>, context=0x7ff11c000990)
at gmain.c:4228
        poll_func = 0x7ff15e214000 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7ff11c000990,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
gmain.c:3924
        max_priority = 2147483647
        timeout = 5991
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7ff11c003270
#3  0x00007ff15e20426c in g_main_context_iteration (context=0x7ff11c000990,
may_block=may_block@entry=1) at gmain.c:3990
        retval = <optimized out>
#4  0x00007ff16365ed6f in QEventDispatcherGlib::processEvents
(this=0x7ff11c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
        d = 0x7ff11c0008e0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#5  0x00007ff1636100ba in QEventLoop::exec (this=this@entry=0x7ff1241f8d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
        d = 0x7ff11c003190
        locker = {val = 94703388909968}
        ref = {d = 0x7ff11c003190, locker = @0x7ff1241f8c80, exceptionCaught =
true}
#6  0x00007ff16346d643 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:507
        d = 0x5621d9dae120
        locker = {val = 94703388909968}
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ff16384c9f8 <vtable for
QEventLoop+16>, static staticMetaObject = {d = {superdata = 0x0, stringdata =
0x7ff16376fc80 <qt_meta_stringdata_QObject>, data = 0x7ff16376fb60
<qt_meta_data_QObject>, static_metacall = 0x7ff16363fed0
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x7ff11c003190},
static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7ff1637b7a20
<qt_meta_stringdata_Qt>, data = 0x7ff1637b4f60 <qt_meta_data_Qt>,
static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static
staticMetaObject = {d = {superdata = 0x7ff163843ec0
<QObject::staticMetaObject>, stringdata = 0x7ff1637cedc0
<qt_meta_stringdata_QEventLoop>, data = 0x7ff1637ced60
<qt_meta_data_QEventLoop>, static_metacall = 0x7ff1636a7710
<QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0, extradata = 0x0}}}
        returnCode = <optimized out>
#7  0x00007ff163471a1a in QThreadPrivate::start (arg=0x5621d9e23d40) at
thread/qthread_unix.cpp:344
        __clframe = {__cancel_routine = 0x7ff163470b40
<QThreadPrivate::finish(void*)>, __cancel_arg = 0x5621d9e23d40, __do_it = 1,
__cancel_type = <optimized out>}
Timeout exceeded: 240 seconds, killing gdb.
Looks like gdb hung while generating backtrace.
This may be a bug in gdb. Consider submitting a bug report to gdb developers.
Please attach coredump from this crash to the bug report if you do.

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