Bug 326448

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:

I was installing an application using Muon. The package was downloaded but with erro

- Custom settings of the application:

The crash can be reproduced sometimes.

-- 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 0x7f362b0fb7c0 (LWP 3348))]

Thread 7 (Thread 0x7f3610509700 (LWP 3349)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f36248ea06b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f36248ea0a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f3620aadf6e in start_thread (arg=0x7f3610509700) at pthread_create.c:311
#4  0x00007f3627dcf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f358f0f1700 (LWP 3350)):
#0  0x00007f36205d2b12 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f36205d4cdb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f36205d55b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36205d579c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3628548a76 in QEventDispatcherGlib::processEvents (this=0x7f35880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f362851a5ef in QEventLoop::processEvents (this=this@entry=0x7f358f0f0d70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f362851a8e5 in QEventLoop::exec (this=this@entry=0x7f358f0f0d70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f362841988f in QThread::exec (this=this@entry=0x26d5390) at thread/qthread.cpp:542
#8  0x00007f36284fbd13 in QInotifyFileSystemWatcherEngine::run (this=0x26d5390) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f362841bf2f in QThreadPrivate::start (arg=0x26d5390) at thread/qthread_unix.cpp:338
#10 0x00007f3620aadf6e in start_thread (arg=0x7f358f0f1700) at pthread_create.c:311
#11 0x00007f3627dcf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f358d9e2700 (LWP 3351)):
#0  0x00007f36205d2b8d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f36205d5073 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f36205d562b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36205d579c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3628548a76 in QEventDispatcherGlib::processEvents (this=0x7f357c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f362851a5ef in QEventLoop::processEvents (this=this@entry=0x7f358d9e1db0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f362851a8e5 in QEventLoop::exec (this=this@entry=0x7f358d9e1db0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f362841988f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f362841bf2f in QThreadPrivate::start (arg=0x26dcdc0) at thread/qthread_unix.cpp:338
#9  0x00007f3620aadf6e in start_thread (arg=0x7f358d9e2700) at pthread_create.c:311
#10 0x00007f3627dcf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f3582f86700 (LWP 3352)):
#0  0x00007f36206150dd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3620615389 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f36205d4c07 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36205d55b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f36205d579c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3628548a76 in QEventDispatcherGlib::processEvents (this=0x7f35740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f362851a5ef in QEventLoop::processEvents (this=this@entry=0x7f3582f85db0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f362851a8e5 in QEventLoop::exec (this=this@entry=0x7f3582f85db0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f362841988f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f362841bf2f in QThreadPrivate::start (arg=0x2a28be0) at thread/qthread_unix.cpp:338
#10 0x00007f3620aadf6e in start_thread (arg=0x7f3582f86700) at pthread_create.c:311
#11 0x00007f3627dcf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f35689a9700 (LWP 3467)):
#0  0x00007f36206150dd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f36206153b9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f36205d4820 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36205d5555 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f36205d579c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3628548a76 in QEventDispatcherGlib::processEvents (this=0x7f355c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f362851a5ef in QEventLoop::processEvents (this=this@entry=0x7f35689a8d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f362851a8e5 in QEventLoop::exec (this=this@entry=0x7f35689a8d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f362841988f in QThread::exec (this=this@entry=0x48ceb70) at thread/qthread.cpp:542
#9  0x00007f362a13d19e in QDeclarativePixmapReader::run (this=0x48ceb70) at util/qdeclarativepixmapcache.cpp:576
#10 0x00007f362841bf2f in QThreadPrivate::start (arg=0x48ceb70) at thread/qthread_unix.cpp:338
#11 0x00007f3620aadf6e in start_thread (arg=0x7f35689a9700) at pthread_create.c:311
#12 0x00007f3627dcf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f3563fff700 (LWP 3469)):
#0  QThreadData::current () at thread/qthread_unix.cpp:207
#1  0x00007f3628548981 in postEventSourcePrepare (s=0x7f35580012d0, timeout=0x0) at kernel/qeventdispatcher_glib.cpp:256
#2  0x00007f36205d5111 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36205d562b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f36205d579c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3628548a76 in QEventDispatcherGlib::processEvents (this=0x7f35580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f362851a5ef in QEventLoop::processEvents (this=this@entry=0x7f3563ffedb0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f362851a8e5 in QEventLoop::exec (this=this@entry=0x7f3563ffedb0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f362841988f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f362841bf2f in QThreadPrivate::start (arg=0x7f355c003030) at thread/qthread_unix.cpp:338
#10 0x00007f3620aadf6e in start_thread (arg=0x7f3563fff700) at pthread_create.c:311
#11 0x00007f3627dcf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f362b0fb7c0 (LWP 3348)):
[KCrash Handler]
#6  QApt::Cache::depCache (this=0xffb077e8fb894853) at /build/buildd/qapt-2.0.65/src/cache.cpp:86
#7  0x00007f358193ccf2 in QApt::Package::state (this=0x42eaf80) at /build/buildd/qapt-2.0.65/src/package.cpp:717
#8  0x00007f35803add40 in Application::state (this=0x7f3564609e90) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/Application.cpp:490
#9  0x00007f362ad10814 in ResourcesProxyModel::filterAcceptsRow (this=0x2cf62b0, sourceRow=<optimized out>, sourceParent=...) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesProxyModel.cpp:183
#10 0x00007f36294864e6 in QSortFilterProxyModelPrivate::source_items_inserted (this=this@entry=0x2cf6580, source_parent=..., start=<optimized out>, end=<optimized out>, orient=orient@entry=Qt::Vertical) at itemviews/qsortfilterproxymodel.cpp:769
#11 0x00007f36294866df in QSortFilterProxyModelPrivate::_q_sourceRowsInserted (this=0x2cf6580, source_parent=..., start=<optimized out>, end=<optimized out>) at itemviews/qsortfilterproxymodel.cpp:1297
#12 0x00007f362852fa58 in QMetaObject::activate (sender=sender@entry=0x2670110, m=m@entry=0x7f362887e6a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x7fffeb582b00) at kernel/qobject.cpp:3539
#13 0x00007f36285796c4 in QAbstractItemModel::rowsInserted (this=this@entry=0x2670110, _t1=..., _t2=344, _t3=43746) at .moc/release-shared/moc_qabstractitemmodel.cpp:197
#14 0x00007f3628515b0e in QAbstractItemModel::endInsertRows (this=this@entry=0x2670110) at kernel/qabstractitemmodel.cpp:2433
#15 0x00007f362ad0e867 in ResourcesModel::resetBackend (this=0x2670110, backend=0x314b020) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesModel.cpp:263
#16 0x00007f362ad01695 in ResourcesModel::qt_static_metacall (_o=0x2670110, _id=-2118705072, _a=0x7f3581635b90 <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 0x00007f362852fa58 in QMetaObject::activate (sender=sender@entry=0x314b020, m=m@entry=0x7f362af27500 <AbstractResourcesBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#18 0x00007f362ad001d0 in AbstractResourcesBackend::fetchingChanged (this=this@entry=0x314b020) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_AbstractResourcesBackend.cpp:156
#19 0x00007f35803a6d85 in ApplicationBackend::setFetching (this=0x314b020, f=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:630
#20 0x00007f35803a7a43 in ApplicationBackend::reload (this=this@entry=0x314b020) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:171
#21 0x00007f35803a7ece in ApplicationBackend::transactionEvent (this=0x314b020, status=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:263
#22 0x00007f35803a5f0b 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 0x00007f362852fa58 in QMetaObject::activate (sender=0x7b9f5c0, m=m@entry=0x7f3581b729c0 <QApt::Transaction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffeb582f20) at kernel/qobject.cpp:3539
#24 0x00007f358195d2e1 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 0x00007f358195044e in QApt::Transaction::updateProperty (this=0x7b9f5c0, type=-2118705072, variant=...) at /build/buildd/qapt-2.0.65/src/transaction.cpp:518
#26 0x00007f358195d974 in QApt::Transaction::qt_static_metacall (_o=0x7b9f5c0, _c=<optimized out>, _id=<optimized out>, _a=0x7fffeb583140) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transaction.cxx:164
#27 0x00007f362852fa58 in QMetaObject::activate (sender=sender@entry=0x7ca94d0, m=m@entry=0x7f3581b72aa0 <OrgKubuntuQaptworkerTransactionInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fffeb583140) at kernel/qobject.cpp:3539
#28 0x00007f358195e3d6 in OrgKubuntuQaptworkerTransactionInterface::propertyChanged (this=this@entry=0x7ca94d0, _t1=3, _t2=...) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transactiondbus.cxx:246
#29 0x00007f358195e77c in OrgKubuntuQaptworkerTransactionInterface::qt_static_metacall (_o=_o@entry=0x7ca94d0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=4, _a=_a@entry=0x7fffeb583400) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transactiondbus.cxx:111
#30 0x00007f358195f0f7 in OrgKubuntuQaptworkerTransactionInterface::qt_metacall (this=0x7ca94d0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fffeb583400) at /build/buildd/qapt-2.0.65/obj-x86_64-linux-gnu/src/moc_transactiondbus.cxx:164
#31 0x00007f36272cde36 in QDBusConnectionPrivate::deliverCall (this=0x2f8def0, object=0x7ca94d0, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:951
#32 0x00007f3628533dce in QObject::event (this=0x7ca94d0, e=<optimized out>) at kernel/qobject.cpp:1194
#33 0x00007f3628f0cdfc in QApplicationPrivate::notify_helper (this=this@entry=0x25037e0, receiver=receiver@entry=0x7ca94d0, e=e@entry=0x7dda820) at kernel/qapplication.cpp:4567
#34 0x00007f3628f13470 in QApplication::notify (this=this@entry=0x7fffeb583ba0, receiver=receiver@entry=0x7ca94d0, e=e@entry=0x7dda820) at kernel/qapplication.cpp:4353
#35 0x00007f3629c16a6a in KApplication::notify (this=0x7fffeb583ba0, receiver=0x7ca94d0, event=0x7dda820) at ../../kdeui/kernel/kapplication.cpp:311
#36 0x00007f362851b8bd in QCoreApplication::notifyInternal (this=0x7fffeb583ba0, receiver=receiver@entry=0x7ca94d0, event=event@entry=0x7dda820) at kernel/qcoreapplication.cpp:946
#37 0x00007f362851ee1f in sendEvent (event=0x7dda820, receiver=0x7ca94d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x24b71f0) at kernel/qcoreapplication.cpp:1570
#39 0x00007f362851f2c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#40 0x00007f3628549073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#41 postEventSourceDispatch (s=0x24f32b0) at kernel/qeventdispatcher_glib.cpp:279
#42 0x00007f36205d53a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f36205d56f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f36205d579c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f3628548a55 in QEventDispatcherGlib::processEvents (this=0x24b8ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#46 0x00007f3628fae9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f362851a5ef in QEventLoop::processEvents (this=this@entry=0x7fffeb583ab0, flags=...) at kernel/qeventloop.cpp:149
#48 0x00007f362851a8e5 in QEventLoop::exec (this=this@entry=0x7fffeb583ab0, flags=...) at kernel/qeventloop.cpp:204
#49 0x00007f362851fe5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#50 0x00007f3628f0b34c in QApplication::exec () at kernel/qapplication.cpp:3828
#51 0x000000000040b4ec in main (argc=1, argv=0x7fffeb583cf8) at /build/buildd/muon-2.0.65+git20131008/discover/main.cpp:86

Possible duplicates by query: bug 326307.

Reported using DrKonqi