Application: kontact (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-21-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Every time I run Kontact, after inserting the password in kwallet, it crashes with segmentation fault. It has happened with kmail too, but not always.
KUbuntu 10.04 kernel 2.6.32.21 kde 4.4.2 

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  QString (this=0x0) at /usr/include/qt4/QtCore/qstring.h:714
#6  KIO::Slave::protocol (this=0x0) at ../../kio/kio/slave.cpp:176
#7  0x00007fb9bdbbed3f in KIO::SchedulerPrivate::assignJobToSlave (this=0x242d980, slave=0x0, job=0x2be5f50) at ../../kio/kio/scheduler.cpp:1073
#8  0x00007fb9a80abd6a in KMail::SearchJob::searchCompleteFolder (this=0x2bc0a10) at ../../kmail/searchjob.cpp:95
#9  0x00007fb9a7ed6f38 in KMFolderImap::search (this=0x2931b20, pattern=0x293ed90) at ../../kmail/kmfolderimap.cpp:2403
#10 0x00007fb9a80146d7 in KMSearch::slotProcessNextBatch (this=0x29329a0) at ../../kmail/kmfoldersearch.cpp:272
#11 0x00007fb9a8015840 in KMSearch::qt_metacall (this=0x29329a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc2a60ca0) at ./kmfoldersearch.moc:85
#12 0x00007fb9c0390e3f in QMetaObject::activate (sender=0x2820040, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2bf6040) at kernel/qobject.cpp:3293
#13 0x00007fb9c038da63 in QObject::event (this=0x2820040, e=0x7fffc2a613f0) at kernel/qobject.cpp:1212
#14 0x00007fb9bf73722c in QApplicationPrivate::notify_helper (this=0x20de2a0, receiver=0x2820040, e=0x7fffc2a613f0) at kernel/qapplication.cpp:4300
#15 0x00007fb9bf73d6fb in QApplication::notify (this=0x7fffc2a64630, receiver=0x2820040, e=0x7fffc2a613f0) at kernel/qapplication.cpp:4183
#16 0x00007fb9c0d66526 in KApplication::notify (this=0x7fffc2a64630, receiver=0x2820040, event=0x7fffc2a613f0) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x00007fb9c037e06c in QCoreApplication::notifyInternal (this=0x7fffc2a64630, receiver=0x2820040, event=0x7fffc2a613f0) at kernel/qcoreapplication.cpp:704
#18 0x00007fb9c03aad42 in QCoreApplication::sendEvent (this=0x20ea760) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x20ea760) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fb9c03a7824 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 0x00007fb9b7aec8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x00007fb9b7af0748 in ?? () from /lib/libglib-2.0.so.0
#23 0x00007fb9b7af08fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x00007fb9c03a7513 in QEventDispatcherGlib::processEvents (this=0x20b1d70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#25 0x00007fb9bf7e746e in QGuiEventDispatcherGlib::processEvents (this=0x7fffc2a60960, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007fb9c037c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#27 0x00007fb9c037cd6c in QEventLoop::exec (this=0x7fffc2a617d0, flags=) at kernel/qeventloop.cpp:201
#28 0x00007fb9c0df6ec6 in KWallet::Wallet::openWallet (name=<value optimized out>, w=<value optimized out>, ot=KWallet::Wallet::Synchronous) at ../../kdeui/util/kwallet.cpp:260
#29 0x00007fb9a7f241f4 in KMKernel::wallet (this=0x2716700) at ../../kmail/kmkernel.cpp:2498
#30 0x00007fb9a7eae751 in KMail::NetworkAccount::readPassword (this=0x2929510) at ../../kmail/networkaccount.cpp:338
#31 0x00007fb9a7e4d6da in KMail::AccountManager::readPasswords (this=<value optimized out>) at ../../kmail/accountmanager.cpp:438
#32 0x00007fb9a7eac26d in KMail::NetworkAccount::passwd (this=<value optimized out>) at ../../kmail/networkaccount.cpp:95
#33 0x00007fb9a7ebcd78 in KMail::ImapAccountBase::makeConnection (this=0x2944420) at ../../kmail/imapaccountbase.cpp:306
#34 0x00007fb9a7edecf3 in KMFolderImap::listDirectory (this=0x281bec0) at ../../kmail/kmfolderimap.cpp:736
#35 0x00007fb9a7db88d9 in KMail::FolderView::slotFolderExpanded (this=<value optimized out>, item=<value optimized out>) at ../../kmail/folderview.cpp:2465
#36 0x00007fb9a7dc2f2b in KMail::FolderView::qt_metacall (this=0x258f3a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc2a61ec0) at ./folderview.moc:234
#37 0x00007fb9a7dc7480 in KMail::MainFolderView::qt_metacall (this=0x7fffc2a60960, _c=QMetaObject::InvokeMetaMethod, _id=46030593, _a=0x2bf6040) at ./mainfolderview.moc:70
#38 0x00007fb9c0390e3f in QMetaObject::activate (sender=0x258f3a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2bf6040) at kernel/qobject.cpp:3293
#39 0x00007fb9bfcd32a2 in QTreeWidget::itemExpanded (this=0x7fffc2a60960, _t1=0x2b380a0) at .moc/release-shared/moc_qtreewidget.cpp:242
#40 0x00007fb9bfcdf033 in QTreeWidget::qt_metacall (this=0x258f3a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc2a620b0) at .moc/release-shared/moc_qtreewidget.cpp:155
#41 0x00007fb9c17d3230 in KPIM::TreeWidget::qt_metacall (this=0x7fffc2a60960, _c=QMetaObject::InvokeMetaMethod, _id=46030593, _a=0x2bf6040) at moc_treewidget.cpp:74
#42 0x00007fb9c18486d0 in KPIM::FolderTreeWidget::qt_metacall (this=0x7fffc2a60960, _c=QMetaObject::InvokeMetaMethod, _id=46030593, _a=0x2bf6040) at ./foldertreewidget.moc:74
#43 0x00007fb9a7dc2ec0 in KMail::FolderView::qt_metacall (this=0x7fffc2a60960, _c=QMetaObject::InvokeMetaMethod, _id=46030593, _a=0x2bf6040) at ./folderview.moc:200
#44 0x00007fb9a7dc7480 in KMail::MainFolderView::qt_metacall (this=0x7fffc2a60960, _c=QMetaObject::InvokeMetaMethod, _id=46030593, _a=0x2bf6040) at ./mainfolderview.moc:70
#45 0x00007fb9c0390e3f in QMetaObject::activate (sender=0x258f3a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2bf6040) at kernel/qobject.cpp:3293
#46 0x00007fb9bfc946a2 in QTreeView::expanded (this=0x7fffc2a60960, _t1=<value optimized out>) at .moc/release-shared/moc_qtreeview.cpp:201
#47 0x00007fb9bfca6883 in QTreeView::expand (this=0x258f3a0, index=...) at itemviews/qtreeview.cpp:744
#48 0x00007fb9bfcdb0a1 in QTreeWidget::setItemExpanded (this=0x258f3a0, item=0x2b380a0, expand=<value optimized out>) at itemviews/qtreewidget.cpp:3133
#49 0x00007fb9a7dbc614 in QTreeWidgetItem::setExpanded (this=0x258f3a0) at /usr/include/qt4/QtGui/qtreewidget.h:409
#50 KMail::FolderView::restoreItemStates (this=0x258f3a0) at ../../kmail/folderview.cpp:389
#51 0x00007fb9a7dc2c87 in KMail::FolderView::reload (this=0x258f3a0, openFoldersForUpdate=false) at ../../kmail/folderview.cpp:671
#52 0x00007fb9a7ff7817 in KMMainWidget::readConfig (this=0x2966c40) at ../../kmail/kmmainwidget.cpp:593
#53 0x00007fb9a80087e9 in KMMainWidget (this=0x2966c40, parent=<value optimized out>, aGUIClient=<value optimized out>, actionCollection=<value optimized out>, config=...)
    at ../../kmail/kmmainwidget.cpp:232
#54 0x00007fb9a85cb498 in KMailPart (this=0x25af280, parentWidget=<value optimized out>, parent=<value optimized out>, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>)
    at ../../kmail/kmail_part.cpp:112
#55 0x00007fb9a85cbc9f in KPluginFactory::createPartInstance<KMailPart> (parentWidget=0x22774b0, parent=0x22774b0, args=...) at /usr/include/kpluginfactory.h:467
#56 0x00007fb9c089d96c in KPluginFactory::create (this=0x25a4190, iface=0x7fb9becd35c0 "KParts::ReadOnlyPart", parentWidget=<value optimized out>, parent=0x22774b0, args=..., 
    keyword=<value optimized out>) at ../../kdecore/util/kpluginfactory.cpp:191
#57 0x00007fb9c154c56a in KPluginFactory::create<KParts::ReadOnlyPart> (this=0x22774b0, libname=0x25ff2d8 "kmailpart") at /usr/include/kpluginfactory.h:491
#58 KontactInterface::Core::createPart (this=0x22774b0, libname=0x25ff2d8 "kmailpart") at ../../kontactinterface/core.cpp:87
#59 0x00007fb9a9fec210 in KMailPlugin::createPart (this=0x7fffc2a60960) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:179
#60 0x00007fb9c154e879 in KontactInterface::Plugin::part (this=0x7fffc2a60960) at ../../kontactinterface/plugin.cpp:191
#61 0x00007fb9c1b0108f in Kontact::MainWindow::selectPlugin (this=0x22774b0, plugin=0x25ff900) at ../../../kontact/src/mainwindow.cpp:778
#62 0x00007fb9c1afbe6c in Kontact::MainWindow::loadSettings (this=0x22774b0) at ../../../kontact/src/mainwindow.cpp:944
#63 0x00007fb9c1b04110 in Kontact::MainWindow::initObject (this=0x22774b0) at ../../../kontact/src/mainwindow.cpp:210
#64 0x00007fb9c1b0558c in MainWindow (this=0x22774b0, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../../kontact/src/mainwindow.cpp:146
#65 0x0000000000404804 in KontactApp::newInstance (this=0x7fffc2a64630) at ../../../kontact/src/main.cpp:136
#66 0x00007fb9c0d6d6b6 in KUniqueApplicationAdaptor::newInstance (this=0x21b8a90, asn_id=<value optimized out>, args=...) at ../../kdeui/kernel/kuniqueapplication.cpp:454
#67 0x00007fb9c0d6dcf6 in KUniqueApplicationAdaptor::qt_metacall (this=0x21b8a90, _c=QMetaObject::InvokeMetaMethod, _id=6317216, _a=0x7fffc2a63720) at ./kuniqueapplication_p.moc:81
#68 0x00007fb9bd7c9486 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:904
#69 0x00007fb9bd7ca6ef in QDBusConnectionPrivate::activateCall (this=<value optimized out>, object=0x21b8a90, flags=337, msg=...) at qdbusintegrator.cpp:809
#70 0x00007fb9bd7cb1cd in QDBusConnectionPrivate::activateObject (this=<value optimized out>, node=<value optimized out>, msg=..., pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1364
#71 0x00007fb9bd7cb468 in QDBusActivateObjectEvent::placeMetaCall (this=0x2286d90) at qdbusintegrator.cpp:1477
#72 0x00007fb9c038dd49 in QObject::event (this=0x7fffc2a64630, e=0x2286d90) at kernel/qobject.cpp:1248
#73 0x00007fb9bf73b59d in QApplication::event (this=0x7fffc2a64630, e=0x2286d90) at kernel/qapplication.cpp:2353
#74 0x00007fb9bf73722c in QApplicationPrivate::notify_helper (this=0x20de2a0, receiver=0x7fffc2a64630, e=0x2286d90) at kernel/qapplication.cpp:4300
#75 0x00007fb9bf73d6fb in QApplication::notify (this=0x7fffc2a64630, receiver=0x7fffc2a64630, e=0x2286d90) at kernel/qapplication.cpp:4183
#76 0x00007fb9c0d66526 in KApplication::notify (this=0x7fffc2a64630, receiver=0x7fffc2a64630, event=0x2286d90) at ../../kdeui/kernel/kapplication.cpp:302
#77 0x00007fb9c037e06c in QCoreApplication::notifyInternal (this=0x7fffc2a64630, receiver=0x7fffc2a64630, event=0x2286d90) at kernel/qcoreapplication.cpp:704
#78 0x00007fb9c03807e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x20b2620) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#79 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x20b2620) at kernel/qcoreapplication.cpp:1345
#80 0x00007fb9c03a79d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#81 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#82 0x00007fb9b7aec8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#83 0x00007fb9b7af0748 in ?? () from /lib/libglib-2.0.so.0
#84 0x00007fb9b7af08fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#85 0x00007fb9c03a7513 in QEventDispatcherGlib::processEvents (this=0x20b1d70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#86 0x00007fb9bf7e746e in QGuiEventDispatcherGlib::processEvents (this=0x7fffc2a60960, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#87 0x00007fb9c037c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#88 0x00007fb9c037cd6c in QEventLoop::exec (this=0x225cdf0, flags=) at kernel/qeventloop.cpp:201
#89 0x00007fb9c1237411 in Akonadi::Control::Private::exec (this=0x21ee980) at ../../akonadi/control.cpp:137
#90 0x00007fb9c1237b75 in Akonadi::Control::start (parent=0x0) at ../../akonadi/control.cpp:233
#91 0x0000000000403e72 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:204

This bug may be a duplicate of or related to bug 198561.

Possible duplicates by query: bug 246617, bug 245452, bug 242570, bug 237245, bug 236520.

Reported using DrKonqi