Bug 326565

Application: muon-installer (2.0.65)
KDE Platform Version: 4.11.2 (Compiled from sources)
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:
Opened MSC from the Application Launcher, MSC crashed 10 seconds later

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 0x7fe432eea7c0 (LWP 7373))]

Thread 2 (Thread 0x7fe416a17700 (LWP 7391)):
#0  0x00007fe42ad2605f in __pthread_mutex_unlock_usercnt (mutex=0x7fe40c000a60, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007fe42a88a3c1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe42a849d30 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe42a84a5b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe42a84a79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe430103a76 in QEventDispatcherGlib::processEvents (this=0x7fe40c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fe4300d55ef in QEventLoop::processEvents (this=this@entry=0x7fe416a16d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fe4300d58e5 in QEventLoop::exec (this=this@entry=0x7fe416a16d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fe42ffd488f in QThread::exec (this=this@entry=0x1227c30) at thread/qthread.cpp:542
#9  0x00007fe4300b6d13 in QInotifyFileSystemWatcherEngine::run (this=0x1227c30) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fe42ffd6f2f in QThreadPrivate::start (arg=0x1227c30) at thread/qthread_unix.cpp:338
#11 0x00007fe42ad22f6e in start_thread (arg=0x7fe416a17700) at pthread_create.c:311
#12 0x00007fe42f98a9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fe432eea7c0 (LWP 7373)):
[KCrash Handler]
#6  KNS3::Entry::providerId (this=0x0) at ../../../knewstuff/knewstuff3/entry.cpp:52
#7  0x00007fe41d1bbaed 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=0xcd11c0) at /build/buildd/muon-2.0.65+git20131008/installer/MainWindow.cpp:297
#10 0x00007fe4300eaa58 in QMetaObject::activate (sender=sender@entry=0xdccfe0, m=m@entry=0x7fe432d04380 <ResourcesModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#11 0x00007fe432add6e0 in ResourcesModel::allInitialized (this=this@entry=0xdccfe0) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_ResourcesModel.cpp:176
#12 0x00007fe432aeb767 in ResourcesModel::resetBackend (this=0xdccfe0, backend=0xf435b0) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesModel.cpp:268
#13 0x00007fe432ade695 in ResourcesModel::qt_static_metacall (_o=0xdccfe0, _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 0x00007fe4300eaa58 in QMetaObject::activate (sender=sender@entry=0xf435b0, m=m@entry=0x7fe432d04500 <AbstractResourcesBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#15 0x00007fe432add1d0 in AbstractResourcesBackend::fetchingChanged (this=this@entry=0xf435b0) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_AbstractResourcesBackend.cpp:156
#16 0x00007fe41d1b891f in KNSBackend::setFetching (this=this@entry=0xf435b0, f=f@entry=false) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSBackend.cpp:112
#17 0x00007fe41d1ba05a in KNSBackend::receivedContents (this=0xf435b0, job=0x22deea0) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSBackend.cpp:165
#18 0x00007fe4300eaa58 in QMetaObject::activate (sender=0x22deea0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffa24a2640) at kernel/qobject.cpp:3539
#19 0x00007fe42b5e430f in Attica::BaseJob::finished(Attica::BaseJob*) () from /usr/lib/x86_64-linux-gnu/libattica.so.0.4
#20 0x00007fe42b5e44e9 in Attica::BaseJob::dataFinished() () from /usr/lib/x86_64-linux-gnu/libattica.so.0.4
#21 0x00007fe4300eaa58 in QMetaObject::activate (sender=0x22dee60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#22 0x00007fe4300debf8 in QMetaMethod::invoke (this=this@entry=0x7fffa24a2b50, object=object@entry=0x22dee60, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1664
#23 0x00007fe4300e10b8 in QMetaObject::invokeMethod (obj=obj@entry=0x22dee60, member=member@entry=0x7fe432614645 "finished", type=type@entry=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1179
#24 0x00007fe4324acbbc in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::AutoConnection, member=0x7fe432614645 "finished", obj=0x22dee60) at /usr/include/qt4/QtCore/qobjectdefs.h:418
#25 KDEPrivate::AccessManagerReply::emitFinished (this=this@entry=0x22dee60, state=state@entry=true, type=type@entry=Qt::AutoConnection) at ../../kio/kio/accessmanagerreply_p.cpp:484
#26 0x00007fe4324ae840 in KDEPrivate::AccessManagerReply::slotResult (this=0x22dee60, kJob=0x2250b40) at ../../kio/kio/accessmanagerreply_p.cpp:427
#27 0x00007fe4300eaa58 in QMetaObject::activate (sender=sender@entry=0x2250b40, m=m@entry=0x7fe4308ef600 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fffa24a3040) at kernel/qobject.cpp:3539
#28 0x00007fe43055f0c2 in KJob::result (this=this@entry=0x2250b40, _t1=_t1@entry=0x2250b40) at ./kjob.moc:208
#29 0x00007fe43055f100 in KJob::emitResult (this=this@entry=0x2250b40) at ../../kdecore/jobs/kjob.cpp:318
#30 0x00007fe4324e8e3a in KIO::SimpleJob::slotFinished (this=this@entry=0x2250b40) at ../../kio/kio/job.cpp:496
#31 0x00007fe4324e9f8e in KIO::TransferJob::slotFinished (this=0x2250b40) at ../../kio/kio/job.cpp:1099
#32 0x00007fe4300eaa58 in QMetaObject::activate (sender=0x119f5f0, m=m@entry=0x7fe432892580 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#33 0x00007fe432586d33 in KIO::SlaveInterface::finished (this=<optimized out>) at ./slaveinterface.moc:185
#34 0x00007fe432588276 in KIO::SlaveInterface::dispatch (this=<optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:176
#35 0x00007fe432585d6e in KIO::SlaveInterface::dispatch (this=0x119f5f0) at ../../kio/kio/slaveinterface.cpp:92
#36 0x00007fe43257a9d6 in KIO::Slave::gotInput (this=0x119f5f0) at ../../kio/kio/slave.cpp:344
#37 0x00007fe4300eaa58 in QMetaObject::activate (sender=0x1425c70, m=m@entry=0x7fe43288baa0 <KIO::Connection::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#38 0x00007fe4324b61e0 in KIO::Connection::readyRead (this=<optimized out>) at ./connection.moc:106
#39 0x00007fe4324b68d1 in KIO::ConnectionPrivate::dequeue (this=0x15f3bc0) at ../../kio/kio/connection.cpp:82
#40 0x00007fe4300eedce in QObject::event (this=0x1425c70, e=<optimized out>) at kernel/qobject.cpp:1194
#41 0x00007fe430ac7dfc in QApplicationPrivate::notify_helper (this=this@entry=0xbabf20, receiver=receiver@entry=0x1425c70, e=e@entry=0x22ee510) at kernel/qapplication.cpp:4567
#42 0x00007fe430ace470 in QApplication::notify (this=this@entry=0x7fffa24a3d90, receiver=receiver@entry=0x1425c70, e=e@entry=0x22ee510) at kernel/qapplication.cpp:4353
#43 0x00007fe4317d1a6a in KApplication::notify (this=0x7fffa24a3d90, receiver=0x1425c70, event=0x22ee510) at ../../kdeui/kernel/kapplication.cpp:311
#44 0x00007fe4300d68bd in QCoreApplication::notifyInternal (this=0x7fffa24a3d90, receiver=receiver@entry=0x1425c70, event=event@entry=0x22ee510) at kernel/qcoreapplication.cpp:946
#45 0x00007fe4300d9e1f in sendEvent (event=0x22ee510, receiver=0x1425c70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xb79690) at kernel/qcoreapplication.cpp:1570
#47 0x00007fe4300da2c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#48 0x00007fe430104073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#49 postEventSourceDispatch (s=0xba57e0) at kernel/qeventdispatcher_glib.cpp:279
#50 0x00007fe42a84a3a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fe42a84a6f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fe42a84a79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007fe430103a55 in QEventDispatcherGlib::processEvents (this=0xb7aff0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#54 0x00007fe430b699d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#55 0x00007fe4300d55ef in QEventLoop::processEvents (this=this@entry=0x7fffa24a3c90, flags=...) at kernel/qeventloop.cpp:149
#56 0x00007fe4300d58e5 in QEventLoop::exec (this=this@entry=0x7fffa24a3c90, flags=...) at kernel/qeventloop.cpp:204
#57 0x00007fe4300dae5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#58 0x00007fe430ac634c in QApplication::exec () at kernel/qapplication.cpp:3828
#59 0x000000000041b985 in main (argc=5, argv=0x7fffa24a3ec8) at /build/buildd/muon-2.0.65+git20131008/installer/main.cpp:72

The reporter indicates this bug may be a duplicate of or related to bug 325829.

Possible duplicates by query: bug 326529, bug 326502, bug 326497, bug 326478, bug 326475.

Reported using DrKonqi