Application: plasma-discover (5.8.8)

Qt Version: 5.6.1
Frameworks Version: 5.36.0
Operating System: Linux 4.4.0-101-lowlatency x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed: I was updating system. This error occurs every time when discoverer upgrades packages.

-- Backtrace:
Application: Odkrywca (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd3750338c0 (LWP 24515))]

Thread 10 (Thread 0x7fd3449da700 (LWP 24533)):
#0  0x00007fd37da1e3e8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd37da20cea in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da21330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd38148737b in QEventDispatcherGlib::processEvents (this=0x7fd3300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7fd3449d9d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd3812589e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fd38125d808 in QThreadPrivate::start (arg=0x2395d40) at thread/qthread_unix.cpp:341
#8  0x00007fd37e18e6ba in start_thread (arg=0x7fd3449da700) at pthread_create.c:333
#9  0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fd3465e6700 (LWP 24529)):
#0  0x00007fd38085670d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd37da2138c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd38148737b in QEventDispatcherGlib::processEvents (this=0x7fd33c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7fd3465e5d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fd3812589e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fd38125d808 in QThreadPrivate::start (arg=0x22424b0) at thread/qthread_unix.cpp:341
#7  0x00007fd37e18e6ba in start_thread (arg=0x7fd3465e6700) at pthread_create.c:333
#8  0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fd34c95c700 (LWP 24525)):
#0  0x00007fd37da65a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd37da20bf9 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da21307 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd37da21712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd34e0e19d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007fd37da47bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd37e18e6ba in start_thread (arg=0x7fd34c95c700) at pthread_create.c:333
#7  0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fd34d15d700 (LWP 24524)):
#0  0x00007fd38085224d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd37da646f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da20e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd37da21330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd37da214d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd37da47bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd37e18e6ba in start_thread (arg=0x7fd34d15d700) at pthread_create.c:333
#8  0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fd361049700 (LWP 24520)):
#0  0x00007fd38085224d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd37da646f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da20e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd37da21330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd38148737b in QEventDispatcherGlib::processEvents (this=0x7fd3500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#6  0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7fd361048d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fd3812589e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#8  0x00007fd38125d808 in QThreadPrivate::start (arg=0x7fd358003650) at thread/qthread_unix.cpp:341
#9  0x00007fd37e18e6ba in start_thread (arg=0x7fd361049700) at pthread_create.c:333
#10 0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fd36184a700 (LWP 24519)):
#0  0x00007fd37da65a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd37da207f7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da212bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd38148737b in QEventDispatcherGlib::processEvents (this=0x7fd3580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7fd361849c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd3812589e4 in QThread::exec (this=this@entry=0x2038ce0) at thread/qthread.cpp:500
#7  0x00007fd38389e7d6 in QQuickPixmapReader::run (this=0x2038ce0) at util/qquickpixmapcache.cpp:817
#8  0x00007fd38125d808 in QThreadPrivate::start (arg=0x2038ce0) at thread/qthread_unix.cpp:341
#9  0x00007fd37e18e6ba in start_thread (arg=0x7fd36184a700) at pthread_create.c:333
#10 0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fd368ecd700 (LWP 24518)):
#0  QMutex::lock (this=this@entry=0x1b1e098) at thread/qmutex.cpp:217
#1  0x00007fd3814869ff in QMutexLocker::QMutexLocker (m=0x1b1e098, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#2  QThreadData::canWaitLocked (this=0x1b1e070) at ../../include/QtCore/5.6.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:246
#3  postEventSourcePrepare (s=0x7fd35c0012d0, timeout=0x7fd368eccb14) at kernel/qeventdispatcher_glib.cpp:253
#4  0x00007fd37da2091d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd37da212bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd38148737b in QEventDispatcherGlib::processEvents (this=0x7fd35c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#8  0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7fd368eccce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fd3812589e4 in QThread::exec (this=this@entry=0x1b1ab10) at thread/qthread.cpp:500
#10 0x00007fd381bdc6b5 in QQmlThreadPrivate::run (this=0x1b1ab10) at qml/ftw/qqmlthread.cpp:141
#11 0x00007fd38125d808 in QThreadPrivate::start (arg=0x1b1ab10) at thread/qthread_unix.cpp:341
#12 0x00007fd37e18e6ba in start_thread (arg=0x7fd368ecd700) at pthread_create.c:333
#13 0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fd36a0de700 (LWP 24517)):
#0  0x00007fd37d9f5220 in g_ptr_array_set_size () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd37da20871 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd37da212bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd38148737b in QEventDispatcherGlib::processEvents (this=0x7fd3640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7fd36a0ddcd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fd3812589e4 in QThread::exec (this=this@entry=0x7fd38417ed40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#7  0x00007fd38410b515 in QDBusConnectionManager::run (this=0x7fd38417ed40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:189
#8  0x00007fd38125d808 in QThreadPrivate::start (arg=0x7fd38417ed40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:341
#9  0x00007fd37e18e6ba in start_thread (arg=0x7fd36a0de700) at pthread_create.c:333
#10 0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fd3725cf700 (LWP 24516)):
#0  0x00007fd38085670d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd37ba17c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd37ba198d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd374b25d29 in QXcbEventReader::run (this=0x1a7db60) at qxcbconnection.cpp:1325
#4  0x00007fd38125d808 in QThreadPrivate::start (arg=0x1a7db60) at thread/qthread_unix.cpp:341
#5  0x00007fd37e18e6ba in start_thread (arg=0x7fd3725cf700) at pthread_create.c:333
#6  0x00007fd3808623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fd3750338c0 (LWP 24515)):
[KCrash Handler]
#6  0x00007fd38355e040 in Transaction::isActive() const () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#7  0x00007fd38355fa5b in TransactionModel::progress() const () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#8  0x00007fd38357d4a5 in ?? () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#9  0x00007fd3835802fb in TransactionModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#10 0x00007fd381b28319 in ReadAccessor::Direct (property=..., n=0x0, output=0x7ffff9c2fa10, object=0x7fd383797890) at jsruntime/qv4qobjectwrapper.cpp:129
#11 LoadProperty<ReadAccessor::Direct> (v4=0x1b0fc40, object=0x7fd383797890, property=..., notifier=0x0) at jsruntime/qv4qobjectwrapper.cpp:164
#12 0x00007fd381b293c5 in QV4::QObjectWrapper::getProperty (engine=engine@entry=0x1b0fc40, object=0x7fd383797890, property=0x1f04be8, captureRequired=captureRequired@entry=true) at jsruntime/qv4qobjectwrapper.cpp:378
#13 0x00007fd381b29b4a in QV4::QObjectWrapper::getQmlProperty (this=0x7fd3638013e8, qmlContext=0x1e9b7c0, name=0x7fd3638013e0, revisionMode=QV4::QObjectWrapper::IgnoreRevision, hasProperty=0x0, includeImports=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:318
#14 0x00007fd381b3b69e in QV4::Object::get (hasProperty=0x0, name=<optimized out>, this=<optimized out>) at jsruntime/qv4object_p.h:298
#15 QV4::Runtime::getProperty (engine=0x1b0fc40, object=..., nameIndex=<optimized out>) at jsruntime/qv4runtime.cpp:679
#16 0x00007fd36816ec90 in ?? ()
#17 0x00007ffff9c2fe40 in ?? ()
#18 0x0000000000000002 in ?? ()
#19 0x0000000000000001 in ?? ()
#20 0x00007fd381b47cf0 in QQmlVMEMetaObject::metaCall (this=0x7fd363801320, o=<optimized out>, c=4190305472, _id=1669338080, a=0x1b0fc40) at qml/qqmlvmemetaobject.cpp:876
#21 0x00007fd381bc1724 in QV4::Object::call (d=0x7fd363801320, this=0x7fd36806e800) at ../../include/QtQml/5.6.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:324
#22 QQmlJavaScriptExpression::evaluate (this=this@entry=0x1ee7cf0, callData=callData@entry=0x7fd363801320, isUndefined=isUndefined@entry=0x7ffff9c2feec) at qml/qqmljavascriptexpression.cpp:189
#23 0x00007fd381bc1bc1 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x1ee7cf0, isUndefined=isUndefined@entry=0x7ffff9c2feec) at qml/qqmljavascriptexpression.cpp:149
#24 0x00007fd381bc947e in QQmlBinding::update (this=0x1ee7cf0, flags=...) at qml/qqmlbinding.cpp:187
#25 0x00007fd381bc998e in QQmlBinding::refresh (this=<optimized out>) at qml/qqmlbinding.cpp:403
#26 0x00007fd381ba0ace in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x0) at qml/qqmlnotifier.cpp:94
#27 0x00007fd381b4c4ac in QQmlData::signalEmitted (object=0x7fd383797890, index=31, a=0x0) at qml/qqmlengine.cpp:773
#28 0x00007fd38145e2b0 in QMetaObject::activate (sender=0x7fd383797890, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3616
#29 0x00007fd38145ec24 in QtPrivate::QSlotObjectBase::call (a=0x7ffff9c31b20, r=0x7fd383797890, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#30 QMetaObject::activate (sender=sender@entry=0x7fd383797890, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=12, argv=argv@entry=0x7ffff9c31b20) at kernel/qobject.cpp:3715
#31 0x00007fd38145f1b7 in QMetaObject::activate (sender=sender@entry=0x7fd383797890, m=m@entry=0x7fd381679da0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=12, argv=argv@entry=0x7ffff9c31b20) at kernel/qobject.cpp:3595
#32 0x00007fd3814d70b4 in QAbstractItemModel::rowsRemoved (this=this@entry=0x7fd383797890, _t1=..., _t2=-1, _t3=-1) at .moc/moc_qabstractitemmodel.cpp:615
#33 0x00007fd3813d999b in QAbstractItemModel::endRemoveRows (this=0x7fd383797890) at itemmodels/qabstractitemmodel.cpp:2678
#34 0x00007fd383560a9c in TransactionModel::removeTransaction(Transaction*) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#35 0x00007fd38145ec24 in QtPrivate::QSlotObjectBase::call (a=0x7ffff9c31d20, r=0x7fd383797890, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#36 QMetaObject::activate (sender=sender@entry=0x42e7820, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff9c31d20) at kernel/qobject.cpp:3715
#37 0x00007fd38145f1b7 in QMetaObject::activate (sender=sender@entry=0x42e7820, m=m@entry=0x7fd381671820 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff9c31d20) at kernel/qobject.cpp:3595
#38 0x00007fd38145f25f in QObject::destroyed (this=this@entry=0x42e7820, _t1=_t1@entry=0x42e7820) at .moc/moc_qobject.cpp:213
#39 0x00007fd381465cf5 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:913
#40 0x00007fd38357108d in ?? () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#41 0x00007fd38145f750 in QObject::event (this=0x42e7820, e=<optimized out>) at kernel/qobject.cpp:1247
#42 0x00007fd3823eeafc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x42e7820, e=0x6afbf00) at kernel/qapplication.cpp:3804
#43 0x00007fd3823f4036 in QApplication::notify (this=0x7ffff9c32400, receiver=0x42e7820, e=0x6afbf00) at kernel/qapplication.cpp:3561
#44 0x00007fd3814322a8 in QCoreApplication::notifyInternal2 (receiver=0x42e7820, event=event@entry=0x6afbf00) at kernel/qcoreapplication.cpp:1015
#45 0x00007fd38143416a in QCoreApplication::sendEvent (event=0x6afbf00, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:225
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1a64de0) at kernel/qcoreapplication.cpp:1650
#47 0x00007fd381434628 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1508
#48 0x00007fd381486f53 in postEventSourceDispatch (s=0x1aaa530) at kernel/qeventdispatcher_glib.cpp:270
#49 0x00007fd37da21197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fd37da213f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fd37da2149c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fd38148735f in QEventDispatcherGlib::processEvents (this=0x1aaa510, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#53 0x00007fd38142fffa in QEventLoop::exec (this=this@entry=0x7ffff9c32320, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#54 0x00007fd3814386bc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1285
#55 0x000000000040a2d5 in ?? ()
#56 0x00007fd38077b830 in __libc_start_main (main=0x409bc0, argc=3, argv=0x7ffff9c32598, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff9c32588) at ../csu/libc-start.c:291
#57 0x000000000040a419 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 386958.

Possible duplicates by query: bug 387457, bug 387450, bug 387089, bug 387037, bug 386958.

Reported using DrKonqi