Bug 325927

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 Saucy Salamander (development branch)

-- Information about the crash:
center software Muon  crashes when searching for applications

The crash can be reproduced every time.

-- Backtrace:
Application: Centrum softwaru Muon (muon-installer), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f44dbad47c0 (LWP 3130))]

Thread 3 (Thread 0x7f44bf213700 (LWP 3150)):
#0  0x00007f44d856cbbd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f44d347a660 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f44d343b1bc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f44d343b62b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f44d343b79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f44d8cf3a76 in QEventDispatcherGlib::processEvents (this=0x7f44b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f44d8cc55ef in QEventLoop::processEvents (this=this@entry=0x7f44bf212d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f44d8cc58e5 in QEventLoop::exec (this=this@entry=0x7f44bf212d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f44d8bc488f in QThread::exec (this=this@entry=0x15b4310) at thread/qthread.cpp:542
#9  0x00007f44d8ca6d13 in QInotifyFileSystemWatcherEngine::run (this=0x15b4310) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f44d8bc6f2f in QThreadPrivate::start (arg=0x15b4310) at thread/qthread_unix.cpp:338
#11 0x00007f44d3913f6e in start_thread (arg=0x7f44bf213700) at pthread_create.c:311
#12 0x00007f44d857aecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f44b56a5700 (LWP 3202)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f44d8bc73e4 in wait (time=30000, this=0x22242a0) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=mutex@entry=0x2224218, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f44d8bba8a5 in QThreadPoolThread::run (this=0x2224380) at concurrent/qthreadpool.cpp:141
#4  0x00007f44d8bc6f2f in QThreadPrivate::start (arg=0x2224380) at thread/qthread_unix.cpp:338
#5  0x00007f44d3913f6e in start_thread (arg=0x7f44b56a5700) at pthread_create.c:311
#6  0x00007f44d857aecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f44dbad47c0 (LWP 3130)):
[KCrash Handler]
#6  KNS3::Entry::providerId (this=0x0) at ../../../knewstuff/knewstuff3/entry.cpp:52
#7  0x00007f44c5d19aed in KNSResource::origin (this=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSResource.cpp:159
#8  0x000000000041f299 in fetchOrigins () at /build/buildd/muon-2.0.65+git20131008/installer/MainWindow.cpp:266
#9  0x000000000042011b in MainWindow::populateViews (this=0xe2ed00) at /build/buildd/muon-2.0.65+git20131008/installer/MainWindow.cpp:295
#10 0x00007f44d8cdaa58 in QMetaObject::activate (sender=sender@entry=0xec5430, m=m@entry=0x7f44db8f4380 <ResourcesModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#11 0x00007f44db6cd6e0 in ResourcesModel::allInitialized (this=this@entry=0xec5430) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_ResourcesModel.cpp:176
#12 0x00007f44db6db767 in ResourcesModel::resetBackend (this=0xec5430, backend=0x1043070) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesModel.cpp:268
#13 0x00007f44db6ce695 in ResourcesModel::qt_static_metacall (_o=0xec5430, _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 0x00007f44d8cdaa58 in QMetaObject::activate (sender=sender@entry=0x1043070, m=m@entry=0x7f44db8f4500 <AbstractResourcesBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#15 0x00007f44db6cd1d0 in AbstractResourcesBackend::fetchingChanged (this=this@entry=0x1043070) at /build/buildd/muon-2.0.65+git20131008/obj-x86_64-linux-gnu/libmuon/moc_AbstractResourcesBackend.cpp:156
#16 0x00007f44c5d1691f in KNSBackend::setFetching (this=this@entry=0x1043070, f=f@entry=false) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSBackend.cpp:112
#17 0x00007f44c5d1805a in KNSBackend::receivedContents (this=0x1043070, job=0x28ebd00) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/KNSBackend/KNSBackend.cpp:165
#18 0x00007f44d8cdaa58 in QMetaObject::activate (sender=0x28ebd00, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff015092d0) at kernel/qobject.cpp:3539
#19 0x00007f44d41d530f in Attica::BaseJob::finished(Attica::BaseJob*) () from /usr/lib/x86_64-linux-gnu/libattica.so.0.4
#20 0x00007f44d41d54e9 in Attica::BaseJob::dataFinished() () from /usr/lib/x86_64-linux-gnu/libattica.so.0.4
#21 0x00007f44d8cdaa58 in QMetaObject::activate (sender=0x219ec70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#22 0x00007f44d8ccebf8 in QMetaMethod::invoke (this=this@entry=0x7fff015097e0, object=object@entry=0x219ec70, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1664
#23 0x00007f44d8cd10b8 in QMetaObject::invokeMethod (obj=obj@entry=0x219ec70, member=member@entry=0x7f44db204645 "finished", type=type@entry=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1179
#24 0x00007f44db09cbbc in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::AutoConnection, member=0x7f44db204645 "finished", obj=0x219ec70) at /usr/include/qt4/QtCore/qobjectdefs.h:418
#25 KDEPrivate::AccessManagerReply::emitFinished (this=this@entry=0x219ec70, state=state@entry=true, type=type@entry=Qt::AutoConnection) at ../../kio/kio/accessmanagerreply_p.cpp:484
#26 0x00007f44db09e840 in KDEPrivate::AccessManagerReply::slotResult (this=0x219ec70, kJob=0x28c1da0) at ../../kio/kio/accessmanagerreply_p.cpp:427
#27 0x00007f44d8cdaa58 in QMetaObject::activate (sender=sender@entry=0x28c1da0, m=m@entry=0x7f44d94df600 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff01509cd0) at kernel/qobject.cpp:3539
#28 0x00007f44d914f0c2 in KJob::result (this=this@entry=0x28c1da0, _t1=_t1@entry=0x28c1da0) at ./kjob.moc:208
#29 0x00007f44d914f100 in KJob::emitResult (this=this@entry=0x28c1da0) at ../../kdecore/jobs/kjob.cpp:318
#30 0x00007f44db0d8e3a in KIO::SimpleJob::slotFinished (this=this@entry=0x28c1da0) at ../../kio/kio/job.cpp:496
#31 0x00007f44db0d9f8e in KIO::TransferJob::slotFinished (this=0x28c1da0) at ../../kio/kio/job.cpp:1099
#32 0x00007f44d8cdaa58 in QMetaObject::activate (sender=0x14541e0, m=m@entry=0x7f44db482580 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#33 0x00007f44db176d33 in KIO::SlaveInterface::finished (this=<optimized out>) at ./slaveinterface.moc:185
#34 0x00007f44db178276 in KIO::SlaveInterface::dispatch (this=<optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:176
#35 0x00007f44db175d6e in KIO::SlaveInterface::dispatch (this=0x14541e0) at ../../kio/kio/slaveinterface.cpp:92
#36 0x00007f44db16a9d6 in KIO::Slave::gotInput (this=0x14541e0) at ../../kio/kio/slave.cpp:344
#37 0x00007f44d8cdaa58 in QMetaObject::activate (sender=0x114e660, m=m@entry=0x7f44db47baa0 <KIO::Connection::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#38 0x00007f44db0a61e0 in KIO::Connection::readyRead (this=<optimized out>) at ./connection.moc:106
#39 0x00007f44db0a68d1 in KIO::ConnectionPrivate::dequeue (this=0x1715550) at ../../kio/kio/connection.cpp:82
#40 0x00007f44d8cdedce in QObject::event (this=0x114e660, e=<optimized out>) at kernel/qobject.cpp:1194
#41 0x00007f44d96b7dfc in QApplicationPrivate::notify_helper (this=this@entry=0xcc5550, receiver=receiver@entry=0x114e660, e=e@entry=0x299b6d0) at kernel/qapplication.cpp:4567
#42 0x00007f44d96be470 in QApplication::notify (this=this@entry=0x7fff0150aa20, receiver=receiver@entry=0x114e660, e=e@entry=0x299b6d0) at kernel/qapplication.cpp:4353
#43 0x00007f44da3c1a6a in KApplication::notify (this=0x7fff0150aa20, receiver=0x114e660, event=0x299b6d0) at ../../kdeui/kernel/kapplication.cpp:311
#44 0x00007f44d8cc68bd in QCoreApplication::notifyInternal (this=0x7fff0150aa20, receiver=receiver@entry=0x114e660, event=event@entry=0x299b6d0) at kernel/qcoreapplication.cpp:946
#45 0x00007f44d8cc9e1f in sendEvent (event=0x299b6d0, receiver=0x114e660) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xc8c690) at kernel/qcoreapplication.cpp:1570
#47 0x00007f44d8cca2c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#48 0x00007f44d8cf4073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#49 postEventSourceDispatch (s=0xcbf5c0) at kernel/qeventdispatcher_glib.cpp:279
#50 0x00007f44d343b3a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f44d343b6f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f44d343b79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f44d8cf3a55 in QEventDispatcherGlib::processEvents (this=0xc8dff0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#54 0x00007f44d97599d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#55 0x00007f44d8cc55ef in QEventLoop::processEvents (this=this@entry=0x7fff0150a920, flags=...) at kernel/qeventloop.cpp:149
#56 0x00007f44d8cc58e5 in QEventLoop::exec (this=this@entry=0x7fff0150a920, flags=...) at kernel/qeventloop.cpp:204
#57 0x00007f44d8ccae5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#58 0x00007f44d96b634c in QApplication::exec () at kernel/qapplication.cpp:3828
#59 0x000000000041b985 in main (argc=5, argv=0x7fff0150ab58) at /build/buildd/muon-2.0.65+git20131008/installer/main.cpp:72

Possible duplicates by query: bug 325829.

Reported using DrKonqi