Bug 326769

Application: muon-installer (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:
Started the app to check on recent updates & installations, crashed.  Afterward, tried to check it again, system crashed while idle - while I was moving mouse across window.

The crash can be reproduced every time.

-- Backtrace:
Application: Muon Software Center (muon-installer), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff7cbafb7c0 (LWP 12417))]

Thread 2 (Thread 0x7ff7af3b8700 (LWP 12438)):
#0  qt_gettime () at tools/qelapsedtimer_unix.cpp:138
#1  0x00007ff7c8d32fe5 in updateCurrentTime (this=0x7ff7a8002660) at kernel/qeventdispatcher_unix.cpp:354
#2  QTimerInfoList::timerWait (this=0x7ff7a8002660, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#3  0x00007ff7c8d3182c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7ff7af3b7bb4) at kernel/qeventdispatcher_glib.cpp:136
#4  0x00007ff7c8d318d5 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#5  0x00007ff7c3477d3d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff7c34785b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ff7c347879c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ff7c8d31a76 in QEventDispatcherGlib::processEvents (this=0x7ff7a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#9  0x00007ff7c8d035ef in QEventLoop::processEvents (this=this@entry=0x7ff7af3b7d70, flags=...) at kernel/qeventloop.cpp:149
#10 0x00007ff7c8d038e5 in QEventLoop::exec (this=this@entry=0x7ff7af3b7d70, flags=...) at kernel/qeventloop.cpp:204
#11 0x00007ff7c8c0288f in QThread::exec (this=this@entry=0xf2f040) at thread/qthread.cpp:542
#12 0x00007ff7c8ce4d13 in QInotifyFileSystemWatcherEngine::run (this=0xf2f040) at io/qfilesystemwatcher_inotify.cpp:265
#13 0x00007ff7c8c04f2f in QThreadPrivate::start (arg=0xf2f040) at thread/qthread_unix.cpp:338
#14 0x00007ff7c3950f6e in start_thread (arg=0x7ff7af3b8700) at pthread_create.c:311
#15 0x00007ff7c85b89cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ff7cbafb7c0 (LWP 12417)):
[KCrash Handler]
#6  KNS3::Entry::providerId (this=0x0) at ../../../knewstuff/knewstuff3/entry.cpp:52
#7  0x00007ff7b5159aed in KNSResource::origin (this=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSResource.cpp:159
#8  0x000000000041f2b6 in fetchOrigins () at /build/buildd/muon-2.0.65+git20131008/installer/MainWindow.cpp:268
#9  0x000000000042011b in MainWindow::populateViews (this=0x9ae3d0) at /build/buildd/muon-2.0.65+git20131008/installer/MainWindow.cpp:297
#10 0x00007ff7c8d18a58 in QMetaObject::activate (sender=sender@entry=0xa96310, m=m@entry=0x7ff7cb932380 <ResourcesModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#11 0x00007ff7cb70b6e0 in ResourcesModel::allInitialized (this=this@entry=0xa96310) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_ResourcesModel.cpp:176
#12 0x00007ff7cb719767 in ResourcesModel::resetBackend (this=0xa96310, backend=0xc28dc0) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesModel.cpp:268
#13 0x00007ff7cb70c695 in ResourcesModel::qt_static_metacall (_o=0xa96310, _id=0, _a=0x1, _c=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_ResourcesModel.cpp:99
#14 0x00007ff7c8d18a58 in QMetaObject::activate (sender=sender@entry=0xc28dc0, m=m@entry=0x7ff7cb932500 <AbstractResourcesBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#15 0x00007ff7cb70b1d0 in AbstractResourcesBackend::fetchingChanged (this=this@entry=0xc28dc0) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_AbstractResourcesBackend.cpp:156
#16 0x00007ff7b515691f in KNSBackend::setFetching (this=this@entry=0xc28dc0, f=f@entry=false) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSBackend.cpp:112
#17 0x00007ff7b515805a in KNSBackend::receivedContents (this=0xc28dc0, job=0x2769830) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSBackend.cpp:165
#18 0x00007ff7c8d18a58 in QMetaObject::activate (sender=0x2769830, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff47443c90) at kernel/qobject.cpp:3539
#19 0x00007ff7c421230f in Attica::BaseJob::finished(Attica::BaseJob*) () from /usr/lib/x86_64-linux-gnu/libattica.so.0.4
#20 0x00007ff7c42124e9 in Attica::BaseJob::dataFinished() () from /usr/lib/x86_64-linux-gnu/libattica.so.0.4
#21 0x00007ff7c8d18a58 in QMetaObject::activate (sender=0x276b460, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#22 0x00007ff7c8d0cbf8 in QMetaMethod::invoke (this=this@entry=0x7fff474441a0, object=object@entry=0x276b460, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1664
#23 0x00007ff7c8d0f0b8 in QMetaObject::invokeMethod (obj=obj@entry=0x276b460, member=member@entry=0x7ff7cb242645 "finished", type=type@entry=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1179
#24 0x00007ff7cb0dabbc in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::AutoConnection, member=0x7ff7cb242645 "finished", obj=0x276b460) at /usr/include/qt4/QtCore/qobjectdefs.h:418
#25 KDEPrivate::AccessManagerReply::emitFinished (this=this@entry=0x276b460, state=state@entry=true, type=type@entry=Qt::AutoConnection) at ../../kio/kio/accessmanagerreply_p.cpp:484
#26 0x00007ff7cb0dc840 in KDEPrivate::AccessManagerReply::slotResult (this=0x276b460, kJob=0x2311430) at ../../kio/kio/accessmanagerreply_p.cpp:427
#27 0x00007ff7c8d18a58 in QMetaObject::activate (sender=sender@entry=0x2311430, m=m@entry=0x7ff7c951d600 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff47444690) at kernel/qobject.cpp:3539
#28 0x00007ff7c918d0c2 in KJob::result (this=this@entry=0x2311430, _t1=_t1@entry=0x2311430) at ./kjob.moc:208
#29 0x00007ff7c918d100 in KJob::emitResult (this=this@entry=0x2311430) at ../../kdecore/jobs/kjob.cpp:318
#30 0x00007ff7cb116e3a in KIO::SimpleJob::slotFinished (this=this@entry=0x2311430) at ../../kio/kio/job.cpp:496
#31 0x00007ff7cb117f8e in KIO::TransferJob::slotFinished (this=0x2311430) at ../../kio/kio/job.cpp:1099
#32 0x00007ff7c8d18a58 in QMetaObject::activate (sender=0x1e1b8a0, m=m@entry=0x7ff7cb4c0580 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#33 0x00007ff7cb1b4d33 in KIO::SlaveInterface::finished (this=<optimized out>) at ./slaveinterface.moc:185
#34 0x00007ff7cb1b6276 in KIO::SlaveInterface::dispatch (this=<optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:176
#35 0x00007ff7cb1b3d6e in KIO::SlaveInterface::dispatch (this=0x1e1b8a0) at ../../kio/kio/slaveinterface.cpp:92
#36 0x00007ff7cb1a89d6 in KIO::Slave::gotInput (this=0x1e1b8a0) at ../../kio/kio/slave.cpp:344
#37 0x00007ff7c8d18a58 in QMetaObject::activate (sender=0x1e169a0, m=m@entry=0x7ff7cb4b9aa0 <KIO::Connection::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#38 0x00007ff7cb0e41e0 in KIO::Connection::readyRead (this=<optimized out>) at ./connection.moc:106
#39 0x00007ff7cb0e48d1 in KIO::ConnectionPrivate::dequeue (this=0xf1b4c0) at ../../kio/kio/connection.cpp:82
#40 0x00007ff7c8d1cdce in QObject::event (this=0x1e169a0, e=<optimized out>) at kernel/qobject.cpp:1194
#41 0x00007ff7c96f5dfc in QApplicationPrivate::notify_helper (this=this@entry=0x823250, receiver=receiver@entry=0x1e169a0, e=e@entry=0x26aa310) at kernel/qapplication.cpp:4567
#42 0x00007ff7c96fc470 in QApplication::notify (this=this@entry=0x7fff474453e0, receiver=receiver@entry=0x1e169a0, e=e@entry=0x26aa310) at kernel/qapplication.cpp:4353
#43 0x00007ff7ca3ffa6a in KApplication::notify (this=0x7fff474453e0, receiver=0x1e169a0, event=0x26aa310) at ../../kdeui/kernel/kapplication.cpp:311
#44 0x00007ff7c8d048bd in QCoreApplication::notifyInternal (this=0x7fff474453e0, receiver=receiver@entry=0x1e169a0, event=event@entry=0x26aa310) at kernel/qcoreapplication.cpp:946
#45 0x00007ff7c8d07e1f in sendEvent (event=0x26aa310, receiver=0x1e169a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x7e3690) at kernel/qcoreapplication.cpp:1570
#47 0x00007ff7c8d082c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#48 0x00007ff7c8d32073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#49 postEventSourceDispatch (s=0x80fb10) at kernel/qeventdispatcher_glib.cpp:279
#50 0x00007ff7c34783a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007ff7c34786f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007ff7c347879c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007ff7c8d31a55 in QEventDispatcherGlib::processEvents (this=0x7e4ff0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#54 0x00007ff7c97979d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#55 0x00007ff7c8d035ef in QEventLoop::processEvents (this=this@entry=0x7fff474452e0, flags=...) at kernel/qeventloop.cpp:149
#56 0x00007ff7c8d038e5 in QEventLoop::exec (this=this@entry=0x7fff474452e0, flags=...) at kernel/qeventloop.cpp:204
#57 0x00007ff7c8d08e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#58 0x00007ff7c96f434c in QApplication::exec () at kernel/qapplication.cpp:3828
#59 0x000000000041b985 in main (argc=5, argv=0x7fff47445518) at /build/buildd/muon-2.0.65+git20131008/installer/main.cpp:72

Possible duplicates by query: bug 326703, bug 326690, bug 326628, bug 326592, bug 326573.

Reported using DrKonqi