Bug 326307

Application: muon-discover (2.0.65)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
Tried to remove Amarok application using the list of installed applications. I was also scrolling the list after I pressed the remove button. The application crashed in a few seconds after I pressed Remove.

-- Backtrace:
Application: Muon Discover (muon-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd02414c7c0 (LWP 2633))]

Thread 5 (Thread 0x7fd009663700 (LWP 2634)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd01d93906b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fd01d9390a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fd019afcf6e in start_thread (arg=0x7fd009663700) at pthread_create.c:311
#4  0x00007fd020e1e9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fcf882e3700 (LWP 2635)):
#0  0x00007fd0196642bd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd019664739 in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd019649580 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd0196237cc in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd019624555 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd01962479c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd021597a76 in QEventDispatcherGlib::processEvents (this=0x7fcf800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007fd0215695ef in QEventLoop::processEvents (this=this@entry=0x7fcf882e2d70, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fd0215698e5 in QEventLoop::exec (this=this@entry=0x7fcf882e2d70, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fd02146888f in QThread::exec (this=this@entry=0x20ab300) at thread/qthread.cpp:542
#10 0x00007fd02154ad13 in QInotifyFileSystemWatcherEngine::run (this=0x20ab300) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007fd02146af2f in QThreadPrivate::start (arg=0x20ab300) at thread/qthread_unix.cpp:338
#12 0x00007fd019afcf6e in start_thread (arg=0x7fcf882e3700) at pthread_create.c:311
#13 0x00007fd020e1e9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fcf86c2b700 (LWP 2636)):
#0  QEventDispatcherGlib::processEvents (this=0x7fcf740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#1  0x00007fd0215695ef in QEventLoop::processEvents (this=this@entry=0x7fcf86c2adb0, flags=...) at kernel/qeventloop.cpp:149
#2  0x00007fd0215698e5 in QEventLoop::exec (this=this@entry=0x7fcf86c2adb0, flags=...) at kernel/qeventloop.cpp:204
#3  0x00007fd02146888f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#4  0x00007fd02146af2f in QThreadPrivate::start (arg=0x20b5430) at thread/qthread_unix.cpp:338
#5  0x00007fd019afcf6e in start_thread (arg=0x7fcf86c2b700) at pthread_create.c:311
#6  0x00007fd020e1e9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fcf85756700 (LWP 2637)):
#0  0x00007fd0196640e9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd019664389 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd019623c07 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd0196245b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd01962479c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd021597a76 in QEventDispatcherGlib::processEvents (this=0x7fcf6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fd0215695ef in QEventLoop::processEvents (this=this@entry=0x7fcf85755db0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fd0215698e5 in QEventLoop::exec (this=this@entry=0x7fcf85755db0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fd02146888f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007fd02146af2f in QThreadPrivate::start (arg=0x23cb770) at thread/qthread_unix.cpp:338
#10 0x00007fd019afcf6e in start_thread (arg=0x7fcf85756700) at pthread_create.c:311
#11 0x00007fd020e1e9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fd02414c7c0 (LWP 2633)):
[KCrash Handler]
#6  QApt::Cache::depCache (this=0xffb077e8fb894853) at /build/buildd/qapt-2.0.65/src/cache.cpp:86
#7  0x00007fcf7ab45cf2 in QApt::Package::state (this=0x3970c30) at /build/buildd/qapt-2.0.65/src/package.cpp:717
#8  0x00007fcf78dc6d40 in Application::state (this=0x7fcf5c5780a0) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/Application.cpp:490
#9  0x00007fd023d5f814 in ResourcesProxyModel::filterAcceptsRow (this=0x3727820, sourceRow=<optimized out>, sourceParent=...) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesProxyModel.cpp:183
#10 0x00007fd0224d54e6 in QSortFilterProxyModelPrivate::source_items_inserted (this=this@entry=0x3727920, source_parent=..., start=<optimized out>, end=<optimized out>, orient=orient@entry=Qt::Vertical) at itemviews/qsortfilterproxymodel.cpp:769
#11 0x00007fd0224d56df in QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0x3727920, source_parent=..., start=<optimized out>, end=<optimized out>) at itemviews/qsortfilterproxymodel.cpp:1297
#12 0x00007fd02157ea58 in QMetaObject::activate (sender=sender@entry=0x2039b10, m=m@entry=0x7fd0218cd6a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x7fff5d898750) at kernel/qobject.cpp:3539
#13 0x00007fd0215c86c4 in QAbstractItemModel::rowsInserted (this=this@entry=0x2039b10, _t1=..., _t2=343, _t3=43705) at .moc/release-shared/moc_qabstractitemmodel.cpp:197
#14 0x00007fd021564b0e in QAbstractItemModel::endInsertRows (this=this@entry=0x2039b10) at kernel/qabstractitemmodel.cpp:2433
#15 0x00007fd023d5d867 in ResourcesModel::resetBackend (this=0x2039b10, backend=0x2afa0d0) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesModel.cpp:263
#16 0x00007fd023d50695 in ResourcesModel::qt_static_metacall (_o=0x2039b10, _id=2060955728, _a=0x7fcf7a83eb90 <pkgCache::PkgIterator::operator++()>, _c=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_ResourcesModel.cpp:99
#17 0x00007fd02157ea58 in QMetaObject::activate (sender=sender@entry=0x2afa0d0, m=m@entry=0x7fd023f76500 <AbstractResourcesBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#18 0x00007fd023d4f1d0 in AbstractResourcesBackend::fetchingChanged (this=this@entry=0x2afa0d0) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_AbstractResourcesBackend.cpp:156
#19 0x00007fcf78dbfd85 in ApplicationBackend::setFetching (this=0x2afa0d0, f=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:630
#20 0x00007fcf78dc0a43 in ApplicationBackend::reload (this=this@entry=0x2afa0d0) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:171
#21 0x00007fcf78dc0ece in ApplicationBackend::transactionEvent (this=0x2afa0d0, status=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:263
#22 0x00007fcf78dbef0b in ApplicationBackend::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/backends/ApplicationBackend/moc_ApplicationBackend.cpp:90
#23 0x00007fd02157ea58 in QMetaObject::activate (sender=0x482da70, m=m@entry=0x7fcf7ad7b9c0 <QApt::Transaction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff5d898b70) at kernel/qobject.cpp:3539
#24 0x00007fcf7ab662e1 in QApt::Transaction::statusChanged (this=<optimized out>, _t1=QApt::FinishedStatus) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transaction.cxx:291
#25 0x00007fcf7ab5944e in QApt::Transaction::updateProperty (this=0x482da70, type=2060955728, variant=...) at /build/buildd/qapt-2.0.65/src/transaction.cpp:518
#26 0x00007fcf7ab66974 in QApt::Transaction::qt_static_metacall (_o=0x482da70, _c=<optimized out>, _id=<optimized out>, _a=0x7fff5d898d90) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transaction.cxx:164
#27 0x00007fd02157ea58 in QMetaObject::activate (sender=sender@entry=0x4c7e950, m=m@entry=0x7fcf7ad7baa0 <OrgKubuntuQaptworkerTransactionInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fff5d898d90) at kernel/qobject.cpp:3539
#28 0x00007fcf7ab673d6 in OrgKubuntuQaptworkerTransactionInterface::propertyChanged (this=this@entry=0x4c7e950, _t1=3, _t2=...) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transactiondbus.cxx:246
#29 0x00007fcf7ab6777c in OrgKubuntuQaptworkerTransactionInterface::qt_static_metacall (_o=_o@entry=0x4c7e950, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=4, _a=_a@entry=0x7fff5d899050) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transactiondbus.cxx:111
#30 0x00007fcf7ab680f7 in OrgKubuntuQaptworkerTransactionInterface::qt_metacall (this=0x4c7e950, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff5d899050) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transactiondbus.cxx:164
#31 0x00007fd02031ce36 in QDBusConnectionPrivate::deliverCall (this=0x2940ba0, object=0x4c7e950, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:951
#32 0x00007fd021582dce in QObject::event (this=0x4c7e950, e=<optimized out>) at kernel/qobject.cpp:1194
#33 0x00007fd021f5bdfc in QApplicationPrivate::notify_helper (this=this@entry=0x1ed04b0, receiver=receiver@entry=0x4c7e950, e=e@entry=0x44beb20) at kernel/qapplication.cpp:4567
#34 0x00007fd021f62470 in QApplication::notify (this=this@entry=0x7fff5d8997f0, receiver=receiver@entry=0x4c7e950, e=e@entry=0x44beb20) at kernel/qapplication.cpp:4353
#35 0x00007fd022c65a6a in KApplication::notify (this=0x7fff5d8997f0, receiver=0x4c7e950, event=0x44beb20) at ../../kdeui/kernel/kapplication.cpp:311
#36 0x00007fd02156a8bd in QCoreApplication::notifyInternal (this=0x7fff5d8997f0, receiver=receiver@entry=0x4c7e950, event=event@entry=0x44beb20) at kernel/qcoreapplication.cpp:946
#37 0x00007fd02156de1f in sendEvent (event=0x44beb20, receiver=0x4c7e950) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1e861f0) at kernel/qcoreapplication.cpp:1570
#39 0x00007fd02156e2c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#40 0x00007fd021598073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#41 postEventSourceDispatch (s=0x1ecb730) at kernel/qeventdispatcher_glib.cpp:279
#42 0x00007fd0196243a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fd0196246f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007fd01962479c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007fd021597a55 in QEventDispatcherGlib::processEvents (this=0x1ecfb90, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#46 0x00007fd021ffd9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007fd0215695ef in QEventLoop::processEvents (this=this@entry=0x7fff5d899700, flags=...) at kernel/qeventloop.cpp:149
#48 0x00007fd0215698e5 in QEventLoop::exec (this=this@entry=0x7fff5d899700, flags=...) at kernel/qeventloop.cpp:204
#49 0x00007fd02156ee5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#50 0x00007fd021f5a34c in QApplication::exec () at kernel/qapplication.cpp:3828
#51 0x000000000040b4ec in main (argc=1, argv=0x7fff5d899948) at /build/buildd/muon-2.0.65+git20131008/discover/main.cpp:86

Reported using DrKonqi