Bug 326227

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 i686
Distribution: Ubuntu 13.10

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

I was searching for some applications and Muon crashed before I had the time to hit the last letter of the keyword.

-- Backtrace:
Application: Logithèque de Muon (muon-installer), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb3d54980 (LWP 7977))]

Thread 2 (Thread 0xaff02b40 (LWP 7995)):
#0  __x86.get_pc_thunk.bx () at ../sysdeps/i386/crti.S:66

Thread 1 (Thread 0xb3d54980 (LWP 7977)):
[KCrash Handler]
#7  0xb740fa02 in FindPkg (this=0x0, Name=...) at /usr/include/apt-pkg/depcache.h:348
#8  QApt::Backend::package (this=0x992c950, name=...) at /build/buildd/qapt-2.0.65/src/backend.cpp:341
#9  0xb7414c5e in QApt::Backend::search (this=0x992c950, searchString=...) at /build/buildd/qapt-2.0.65/src/backend.cpp:580
#10 0xb0838276 in ApplicationBackend::searchPackageName (this=0x999fbe8, searchText=...) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:496
#11 0xb77302a2 in ResourcesProxyModel::setSearch (this=0x9f533b8, searchText=...) at /build/buildd/muon-2.0.65+git20131008/libmuon/resources/ResourcesProxyModel.cpp:70
#12 0x0806ffac in CategoryViewWidget::search (this=0x97937a0, text=...) at /build/buildd/muon-2.0.65+git20131008/installer/CategoryView/CategoryViewWidget.cpp:136
#13 0xb5da6fc7 in QMetaObject::activate (sender=sender@entry=0x9a6c878, m=m@entry=0x8078bd0 <BreadcrumbWidget::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0xbf861948) at kernel/qobject.cpp:3539
#14 0x0806d853 in search (_t1=..., this=0x9a6c878) at /build/buildd/muon-2.0.65+git20131008/obj-i686-linux-gnu/installer/BreadcrumbWidget.moc:129
#15 BreadcrumbWidget::startSearch (this=0x9a6c878) at /build/buildd/muon-2.0.65+git20131008/installer/BreadcrumbWidget/BreadcrumbWidget.cpp:177
#16 0x0806e090 in BreadcrumbWidget::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/obj-i686-linux-gnu/installer/BreadcrumbWidget.moc:68
#17 0xb5da6fc7 in QMetaObject::activate (sender=sender@entry=0x9791908, m=m@entry=0xb5efd518 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#18 0xb5df7065 in QTimer::timeout (this=this@entry=0x9791908) at .moc/release-shared/moc_qtimer.cpp:148
#19 0xb5db0776 in QTimer::timerEvent (this=0x9791908, e=0xbf861d80) at kernel/qtimer.cpp:280
#20 0xb5dab3ec in QObject::event (this=0x9791908, e=0xbf861d80) at kernel/qobject.cpp:1156
#21 0xb62ee744 in QApplicationPrivate::notify_helper (this=0x9792740, receiver=0x9791908, e=0xbf861d80) at kernel/qapplication.cpp:4567
#22 0xb62f5223 in QApplication::notify (this=0xbf862b90, receiver=receiver@entry=0x9791908, e=e@entry=0xbf861d80) at kernel/qapplication.cpp:4353
#23 0xb6e3bff4 in KApplication::notify (this=0xbf862b90, receiver=0x9791908, event=0xbf861d80) at ../../kdeui/kernel/kapplication.cpp:311
#24 0xb5d91eda in QCoreApplication::notifyInternal (this=0xbf862b90, receiver=0x9791908, event=event@entry=0xbf861d80) at kernel/qcoreapplication.cpp:946
#25 0xb5dc44eb in sendEvent (event=0xbf861d80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QTimerInfoList::activateTimers (this=this@entry=0x9795634) at kernel/qeventdispatcher_unix.cpp:622
#27 0xb5dc15d8 in timerSourceDispatch (source=0x9795600) at kernel/qeventdispatcher_glib.cpp:186
#28 0xb467b82e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb467bbd8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb467bc98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb5dc18bf in QEventDispatcherGlib::processEvents (this=this@entry=0x976b3d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0xb63a332e in QGuiEventDispatcherGlib::processEvents (this=0x976b3d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0xb5d95c0d in QCoreApplication::processEvents (flags=...) at kernel/qcoreapplication.cpp:1133
#34 0xb741cc43 in QApt::CacheBuildProgress::Update (this=0xa5a8740) at /build/buildd/qapt-2.0.65/src/cache.cpp:34
#35 0xb51cd3b2 in OpProgress::OverallProgress(unsigned long long, unsigned long long, unsigned long long, std::string const&) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
#36 0xb522a81e in pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
#37 0xb522003b in pkgCacheFile::BuildCaches(OpProgress*, bool) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
#38 0xb52204ae in pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
#39 0xb741cb80 in ReadOnlyOpen (Progress=0xa5a8740, this=<optimized out>) at /usr/include/apt-pkg/cachefile.h:68
#40 QApt::Cache::open (this=0xa5a5a90) at /build/buildd/qapt-2.0.65/src/cache.cpp:79
#41 0xb7417518 in QApt::Backend::reloadCache (this=this@entry=0x992c950) at /build/buildd/qapt-2.0.65/src/backend.cpp:176
#42 0xb741826d in QApt::Backend::init (this=this@entry=0x992c950) at /build/buildd/qapt-2.0.65/src/backend.cpp:169
#43 0xb76fc8b5 in QAptActions::setBackend (this=0x98d7ad0, backend=0x992c950) at /build/buildd/muon-2.0.65+git20131008/libmuonapt/QAptActions.cpp:87
#44 0xb76f25dd in QAptActions::qt_static_metacall (_o=0x0, _id=-1081731444, _a=0xbf862448, _c=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/obj-i686-linux-gnu/libmuonapt/moc_QAptActions.cpp:97
#45 0xb5da6fc7 in QMetaObject::activate (sender=sender@entry=0x999fbe8, m=m@entry=0xb08579fc <ApplicationBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0xbf862448) at kernel/qobject.cpp:3539
#46 0xb08342c5 in ApplicationBackend::aptBackendInitialized (this=this@entry=0x999fbe8, _t1=0x992c950) at /build/buildd/muon-2.0.65+git20131008/obj-i686-linux-gnu/libmuon/backends/ApplicationBackend/moc_ApplicationBackend.cpp:184
#47 0xb0835583 in ApplicationBackend::initBackend (this=0x999fbe8) at /build/buildd/muon-2.0.65+git20131008/libmuon/backends/ApplicationBackend/ApplicationBackend.cpp:546
#48 0xb0834450 in ApplicationBackend::qt_static_metacall (_o=0x0, _id=-1081731444, _a=0xbf862558, _c=<optimized out>) at /build/buildd/muon-2.0.65+git20131008/obj-i686-linux-gnu/libmuon/backends/ApplicationBackend/moc_ApplicationBackend.cpp:93
#49 0xb5da6fc7 in QMetaObject::activate (sender=sender@entry=0x98fdf70, m=m@entry=0xb5efbef8 <QSingleShotTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#50 0xb5db0460 in timeout (this=0x98fdf70) at .moc/release-shared/qtimer.moc:97
#51 QSingleShotTimer::timerEvent (this=0x98fdf70) at kernel/qtimer.cpp:317
#52 0xb5dab3ec in QObject::event (this=0x98fdf70, e=0xbf8628b0) at kernel/qobject.cpp:1156
#53 0xb62ee744 in QApplicationPrivate::notify_helper (this=0x9792740, receiver=0x98fdf70, e=0xbf8628b0) at kernel/qapplication.cpp:4567
#54 0xb62f5223 in QApplication::notify (this=0xbf862b90, receiver=receiver@entry=0x98fdf70, e=e@entry=0xbf8628b0) at kernel/qapplication.cpp:4353
#55 0xb6e3bff4 in KApplication::notify (this=0xbf862b90, receiver=0x98fdf70, event=0xbf8628b0) at ../../kdeui/kernel/kapplication.cpp:311
#56 0xb5d91eda in QCoreApplication::notifyInternal (this=0xbf862b90, receiver=0x98fdf70, event=event@entry=0xbf8628b0) at kernel/qcoreapplication.cpp:946
#57 0xb5dc44eb in sendEvent (event=0xbf8628b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#58 QTimerInfoList::activateTimers (this=this@entry=0x9795634) at kernel/qeventdispatcher_unix.cpp:622
#59 0xb5dc15d8 in timerSourceDispatch (source=0x9795600) at kernel/qeventdispatcher_glib.cpp:186
#60 0xb467b82e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#61 0xb467bbd8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#62 0xb467bc98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#63 0xb5dc18bf in QEventDispatcherGlib::processEvents (this=this@entry=0x976b3d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#64 0xb63a332e in QGuiEventDispatcherGlib::processEvents (this=0x976b3d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#65 0xb5d909f3 in QEventLoop::processEvents (this=this@entry=0xbf862ad8, flags=...) at kernel/qeventloop.cpp:149
#66 0xb5d90d19 in QEventLoop::exec (this=this@entry=0xbf862ad8, flags=...) at kernel/qeventloop.cpp:204
#67 0xb5d9689e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#68 0xb62ec974 in QApplication::exec () at kernel/qapplication.cpp:3828
#69 0x0805d9ab in main (argc=5, argv=0xbf862c64) 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 320353.

Possible duplicates by query: bug 326193, bug 325218, bug 323868, bug 320353.

Reported using DrKonqi