Bug 292681

Application: muon-updater (1.2.1 "Caustic Carrionite")
KDE Platform Version: 4.8.00 (4.8.0
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

I was uninstallung some never-used applications while Apper reported new updates. After several uninstalled applications Muon crashed suddenly.

-- Backtrace:
Application: Muon-Aktualisierungsverwaltung (muon-updater), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe38bf89780 (LWP 3350))]

Thread 2 (Thread 0x7fe36f89d700 (LWP 3415)):
#0  0x00007fe38969a773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe38501cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe38501d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe38aae2f3e in QEventDispatcherGlib::processEvents (this=0xdeda30, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fe38aab6cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe38aab6ef7 in QEventLoop::exec (this=0x7fe36f89cdd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fe38a9ce27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fe38aa99cbf in QInotifyFileSystemWatcherEngine::run (this=0xfdd160) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe38a9d0d05 in QThreadPrivate::start (arg=0xfdd160) at thread/qthread_unix.cpp:331
#9  0x00007fe385aeaefc in start_thread (arg=0x7fe36f89d700) at pthread_create.c:304
#10 0x00007fe3896a689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe38bf89780 (LWP 3350)):
[KCrash Handler]
#6  appendTo (out=<optimized out>, a=<optimized out>) at /build/buildd/qapt-1.2.1/src/backend.cpp:1346
#7  appendTo (out=<optimized out>, p=<optimized out>) at /usr/include/qt4/QtCore/qstringbuilder.h:292
#8  operator QString (this=<optimized out>) at /usr/include/qt4/QtCore/qstringbuilder.h:108
#9  QApt::Backend::reloadCache (this=0x0) at /build/buildd/qapt-1.2.1/src/backend.cpp:268
#10 0x00007fe38bb9b29d in PackageWidget::reload (this=0xbfffe0) at /build/buildd/muon-1.2.1/libmuon/PackageModel/PackageWidget.cpp:255
#11 0x0000000000409129 in UpdaterWidget::reload (this=0xbfffe0) at /build/buildd/muon-1.2.1/updater/UpdaterWidget.cpp:48
#12 0x0000000000407fcc in UpdaterWindow::reload (this=0xc00db0) at /build/buildd/muon-1.2.1/updater/UpdaterWindow.cpp:257
#13 0x0000000000408bc3 in UpdaterWindow::workerEvent (this=0xc00db0, event=QApt::CommitChangesFinished) at /build/buildd/muon-1.2.1/updater/UpdaterWindow.cpp:167
#14 0x0000000000408a00 in UpdaterWindow::qt_metacall (this=0xc00db0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff0bde1f40) at /build/buildd/muon-1.2.1/obj-x86_64-linux-gnu/updater/UpdaterWindow.moc:101
#15 0x00007fe38aacaeba in QMetaObject::activate (sender=0xf53f20, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0bde1f40) at kernel/qobject.cpp:3278
#16 0x00007fe38b950f41 in QApt::Backend::workerEvent (this=<optimized out>, _t1=QApt::CommitChangesFinished) at /build/buildd/qapt-1.2.1/obj-x86_64-linux-gnu/src/moc_backend.cxx:244
#17 0x00007fe38b95119c in QApt::Backend::qt_metacall (this=0xf53f20, _c=QMetaObject::InvokeMetaMethod, _id=40, _a=0x7fff0bde2050) at /build/buildd/qapt-1.2.1/obj-x86_64-linux-gnu/src/moc_backend.cxx:204
#18 0x00007fe38aacaeba in QMetaObject::activate (sender=0xb3f920, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0bde2050) at kernel/qobject.cpp:3278
#19 0x00007fe38b951ae1 in OrgKubuntuQaptworkerInterface::workerEvent (this=<optimized out>, _t1=6) at /build/buildd/qapt-1.2.1/obj-x86_64-linux-gnu/src/workerdbus.moc:228
#20 0x00007fe38b951ee5 in OrgKubuntuQaptworkerInterface::qt_metacall (this=0xb3f920, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0x7fff0bde2530) at /build/buildd/qapt-1.2.1/obj-x86_64-linux-gnu/src/workerdbus.moc:131
#21 0x00007fe3887410e9 in QDBusConnectionPrivate::deliverCall (this=0xa3e470, object=0xb3f920, msg=..., metaTypes=..., slotIdx=13) at qdbusintegrator.cpp:942
#22 0x00007fe38874a38f in QDBusCallDeliveryEvent::placeMetaCall (this=<optimized out>, object=<optimized out>) at qdbusintegrator_p.h:103
#23 0x00007fe38aacea5e in QObject::event (this=0xb3f920, e=<optimized out>) at kernel/qobject.cpp:1217
#24 0x00007fe389e67474 in notify_helper (e=0xfc0c40, receiver=0xb3f920, this=0xa55090) at kernel/qapplication.cpp:4486
#25 QApplicationPrivate::notify_helper (this=0xa55090, receiver=0xb3f920, e=0xfc0c40) at kernel/qapplication.cpp:4458
#26 0x00007fe389e6c2e1 in QApplication::notify (this=0x7fff0bde5120, receiver=0xb3f920, e=0xfc0c40) at kernel/qapplication.cpp:4365
#27 0x00007fe38b4eeae6 in KApplication::notify (this=0x7fff0bde5120, receiver=0xb3f920, event=0xfc0c40) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007fe38aab7afc in QCoreApplication::notifyInternal (this=0x7fff0bde5120, receiver=0xb3f920, event=0xfc0c40) at kernel/qcoreapplication.cpp:787
#29 0x00007fe38aabb51f in sendEvent (event=0xfc0c40, receiver=0xb3f920) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xa250a0) at kernel/qcoreapplication.cpp:1428
#31 0x00007fe38aae2a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#33 0x00007fe38501ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fe38501d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fe38501d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fe38aae2ed6 in QEventDispatcherGlib::processEvents (this=0xa26bb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007fe389f0f10e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007fe38aabb92f in QCoreApplication::processEvents (flags=...) at kernel/qcoreapplication.cpp:979
#39 0x00007fe38b93acf3 in QApt::CacheBuildProgress::Update (this=<optimized out>) at /build/buildd/qapt-1.2.1/src/cache.cpp:36
#40 0x00007fe3884df7ae in debStatusIndex::Merge(pkgCacheGenerator&, OpProgress*) const () from /usr/lib/libapt-pkg.so.4.11
#41 0x00007fe388488347 in ?? () from /usr/lib/libapt-pkg.so.4.11
#42 0x00007fe38848e0f3 in pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/libapt-pkg.so.4.11
#43 0x00007fe388481e22 in pkgCacheFile::BuildCaches(OpProgress*, bool) () from /usr/lib/libapt-pkg.so.4.11
#44 0x00007fe388482244 in pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/libapt-pkg.so.4.11
#45 0x00007fe38b93aab7 in QApt::Cache::open (this=<optimized out>) at /build/buildd/qapt-1.2.1/src/cache.cpp:85
#46 0x00007fe38b935e22 in QApt::Backend::reloadCache (this=<optimized out>) at /build/buildd/qapt-1.2.1/src/backend.cpp:184
#47 0x00007fe38b937533 in QApt::Backend::init (this=0xf53f20) at /build/buildd/qapt-1.2.1/src/backend.cpp:174
#48 0x00007fe38bb83f6c in MuonMainWindow::initObject (this=0xc00db0) at /build/buildd/muon-1.2.1/libmuon/MuonMainWindow.cpp:73
#49 0x00000000004080e9 in UpdaterWindow::initObject (this=0xc00db0) at /build/buildd/muon-1.2.1/updater/UpdaterWindow.cpp:93
#50 0x0000000000408981 in UpdaterWindow::qt_metacall (this=0xc00db0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff0bde48b0) at /build/buildd/muon-1.2.1/obj-x86_64-linux-gnu/updater/UpdaterWindow.moc:97
#51 0x00007fe38aacaeba in QMetaObject::activate (sender=0xf6e250, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#52 0x00007fe38aad2f7f in QSingleShotTimer::timerEvent (this=0xf6e250) at kernel/qtimer.cpp:308
#53 0x00007fe38aace789 in QObject::event (this=0xf6e250, e=<optimized out>) at kernel/qobject.cpp:1181
#54 0x00007fe389e67474 in notify_helper (e=0x7fff0bde4e20, receiver=0xf6e250, this=0xa55090) at kernel/qapplication.cpp:4486
#55 QApplicationPrivate::notify_helper (this=0xa55090, receiver=0xf6e250, e=0x7fff0bde4e20) at kernel/qapplication.cpp:4458
#56 0x00007fe389e6c2e1 in QApplication::notify (this=0x7fff0bde5120, receiver=0xf6e250, e=0x7fff0bde4e20) at kernel/qapplication.cpp:4365
#57 0x00007fe38b4eeae6 in KApplication::notify (this=0x7fff0bde5120, receiver=0xf6e250, event=0x7fff0bde4e20) at ../../kdeui/kernel/kapplication.cpp:311
#58 0x00007fe38aab7afc in QCoreApplication::notifyInternal (this=0x7fff0bde5120, receiver=0xf6e250, event=0x7fff0bde4e20) at kernel/qcoreapplication.cpp:787
#59 0x00007fe38aae4d62 in sendEvent (event=0x7fff0bde4e20, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#60 QTimerInfoList::activateTimers (this=0xa50150) at kernel/qeventdispatcher_unix.cpp:603
#61 0x00007fe38aae2514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#62 0x00007fe38501ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007fe38501d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007fe38501d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007fe38aae2ed6 in QEventDispatcherGlib::processEvents (this=0xa26bb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#66 0x00007fe389f0f10e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#67 0x00007fe38aab6cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#68 0x00007fe38aab6ef7 in QEventLoop::exec (this=0x7fff0bde50b0, flags=...) at kernel/qeventloop.cpp:201
#69 0x00007fe38aabb789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#70 0x000000000040762f in main (argc=1, argv=0x7fff0bde5378) at /build/buildd/muon-1.2.1/updater/main.cpp:57

Possible duplicates by query: bug 284549, bug 276132.

Reported using DrKonqi