Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
every time i start kmail or kontact it crashs

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  QString (this=0x0) at /usr/include/qt4/QtCore/qstring.h:711
#6  KIO::Slave::slaveProtocol (this=0x0) at ../../kio/kio/slave.cpp:188
#7  0x00007ffc08d21aef in KIO::SchedulerPrivate::assignJobToSlave (this=0x14d4640, slave=0x0, job=0x15ec200) at ../../kio/kio/scheduler.cpp:958
#8  0x00007ffbf4a5267a in KMail::SearchJob::searchCompleteFolder (this=0x1dcd850) at ../../kmail/searchjob.cpp:95
#9  0x00007ffbf487aa1f in KMFolderImap::search (this=0x1813290, pattern=0x16f90d0) at ../../kmail/kmfolderimap.cpp:2412
#10 0x00007ffbf49b7097 in KMSearch::slotProcessNextBatch (this=0x1808190) at ../../kmail/kmfoldersearch.cpp:272
#11 0x00007ffbf49bb4f0 in KMSearch::qt_metacall (this=0x1808190, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff0b3fd4e0) at ./kmfoldersearch.moc:79
#12 0x00007ffc0a817ddc in QMetaObject::activate (sender=0x181f2d0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#13 0x00007ffc0a811d83 in QObject::event (this=0x181f2d0, e=0x0) at kernel/qobject.cpp:1075
#14 0x00007ffc0b122efc in QApplicationPrivate::notify_helper (this=0x117fdf0, receiver=0x181f2d0, e=0x7fff0b3fdae0) at kernel/qapplication.cpp:4056
#15 0x00007ffc0b12a1ce in QApplication::notify (this=0x7fff0b400aa0, receiver=0x181f2d0, e=0x7fff0b3fdae0) at kernel/qapplication.cpp:4021
#16 0x00007ffc0bd59ab6 in KApplication::notify (this=0x7fff0b400aa0, receiver=0x181f2d0, event=0x7fff0b3fdae0) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x00007ffc0a802c2c in QCoreApplication::notifyInternal (this=0x7fff0b400aa0, receiver=0x181f2d0, event=0x7fff0b3fdae0) at kernel/qcoreapplication.cpp:610
#18 0x00007ffc0a82d862 in QCoreApplication::sendEvent (this=0x117b720) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#19 QTimerInfoList::activateTimers (this=0x117b720) at kernel/qeventdispatcher_unix.cpp:572
#20 0x00007ffc0a82b25d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#21 0x00007ffc0407cbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x00007ffc04080598 in ?? () from /lib/libglib-2.0.so.0
#23 0x00007ffc040806c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x00007ffc0a82b1a6 in QEventDispatcherGlib::processEvents (this=0x114fcb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#25 0x00007ffc0b1b74be in QGuiEventDispatcherGlib::processEvents (this=0x7fff0b3fd1a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#26 0x00007ffc0a801532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#27 0x00007ffc0a801904 in QEventLoop::exec (this=0x7fff0b3fdea0, flags=) at kernel/qeventloop.cpp:201
#28 0x00007ffc0bde2ab0 in KWallet::Wallet::openWallet (name=<value optimized out>, w=<value optimized out>, ot=KWallet::Wallet::Synchronous) at ../../kdeui/util/kwallet.cpp:252
#29 0x00007ffbf48c8ca4 in KMKernel::wallet (this=0x1707e80) at ../../kmail/kmkernel.cpp:2459
#30 0x00007ffbf4851171 in KMail::NetworkAccount::readPassword (this=0x181c5c0) at ../../kmail/networkaccount.cpp:338
#31 0x00007ffbf47f29da in KMail::AccountManager::readPasswords (this=<value optimized out>) at ../../kmail/accountmanager.cpp:438
#32 0x00007ffbf484eb2d in KMail::NetworkAccount::passwd (this=<value optimized out>) at ../../kmail/networkaccount.cpp:95
#33 0x00007ffbf48596a8 in KMail::ImapAccountBase::makeConnection (this=0x181c5c0) at ../../kmail/imapaccountbase.cpp:303
#34 0x00007ffbf487efb7 in KMFolderImap::listDirectory (this=0x17e1e30) at ../../kmail/kmfolderimap.cpp:745
#35 0x00007ffbf47581b9 in KMail::FolderView::slotFolderExpanded (this=<value optimized out>, item=<value optimized out>) at ../../kmail/folderview.cpp:2452
#36 0x00007ffbf47621ab in KMail::FolderView::qt_metacall (this=0x1ccdcd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff0b3fe580) at ./folderview.moc:222
#37 0x00007ffbf4765f00 in KMail::MainFolderView::qt_metacall (this=0x7fff0b3fd1a0, _c=QMetaObject::InvokeMetaMethod, _id=23016705, _a=0x0) at ./mainfolderview.moc:64
#38 0x00007ffc0a817ddc in QMetaObject::activate (sender=0x1ccdcd0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#39 0x00007ffc0b668e92 in QTreeWidget::itemExpanded (this=0x7fff0b3fd1a0, _t1=0x1d70770) at .moc/release-shared/moc_qtreewidget.cpp:236
#40 0x00007ffc0b674fa3 in QTreeWidget::qt_metacall (this=0x1ccdcd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff0b3fe770) at .moc/release-shared/moc_qtreewidget.cpp:149
#41 0x00007ffc0c1cd0a0 in KPIM::TreeWidget::qt_metacall (this=0x7fff0b3fd1a0, _c=QMetaObject::InvokeMetaMethod, _id=23016705, _a=0x0) at moc_treewidget.cpp:68
#42 0x00007ffc0c228860 in KPIM::FolderTreeWidget::qt_metacall (this=0x7fff0b3fd1a0, _c=QMetaObject::InvokeMetaMethod, _id=23016705, _a=0x0) at ./foldertreewidget.moc:68
#43 0x00007ffbf4762140 in KMail::FolderView::qt_metacall (this=0x7fff0b3fd1a0, _c=QMetaObject::InvokeMetaMethod, _id=23016705, _a=0x0) at ./folderview.moc:188
#44 0x00007ffbf4765f00 in KMail::MainFolderView::qt_metacall (this=0x7fff0b3fd1a0, _c=QMetaObject::InvokeMetaMethod, _id=23016705, _a=0x0) at ./mainfolderview.moc:64
#45 0x00007ffc0a817ddc in QMetaObject::activate (sender=0x1ccdcd0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3113
#46 0x00007ffc0b62b2a2 in QTreeView::expanded (this=0x7fff0b3fd1a0, _t1=<value optimized out>) at .moc/release-shared/moc_qtreeview.cpp:213
#47 0x00007ffc0b63dd03 in QTreeView::expand (this=0x1ccdcd0, index=...) at itemviews/qtreeview.cpp:752
#48 0x00007ffc0b670c0b in QTreeWidget::setItemExpanded (this=0x1ccdcd0, item=0x1d70770, expand=<value optimized out>) at itemviews/qtreewidget.cpp:3120
#49 0x00007ffbf475b964 in QTreeWidgetItem::setExpanded (this=0x1ccdcd0) at /usr/include/qt4/QtGui/qtreewidget.h:409
#50 KMail::FolderView::restoreItemStates (this=0x1ccdcd0) at ../../kmail/folderview.cpp:388
#51 0x00007ffbf4761f07 in KMail::FolderView::reload (this=0x1ccdcd0, openFoldersForUpdate=false) at ../../kmail/folderview.cpp:665
#52 0x00007ffbf499affb in KMMainWidget::readConfig (this=0x1837830) at ../../kmail/kmmainwidget.cpp:601
#53 0x00007ffbf49ac27d in KMMainWidget (this=0x1837830, parent=<value optimized out>, aGUIClient=<value optimized out>, actionCollection=<value optimized out>, config=0x11752c0)
    at ../../kmail/kmmainwidget.cpp:233
#54 0x00007ffbf4fbe516 in KMailPart (this=0x16555d0, 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 0x00007ffbf4fbf6ff in KPluginFactory::createPartInstance<KMailPart> (parentWidget=0x126a2b0, parent=0x126a2b0, args=...) at /usr/include/kpluginfactory.h:467
#56 0x00007ffc0acf1e7e in KPluginFactory::create (this=0x167dc10, iface=0x7ffc09e32200 "KParts::ReadOnlyPart", parentWidget=<value optimized out>, parent=0x126a2b0, args=..., 
    keyword=<value optimized out>) at ../../kdecore/util/kpluginfactory.cpp:191
#57 0x00007ffc0c4a71db in KPluginFactory::create<KParts::ReadOnlyPart> (this=0x126a2b0, libname=0x163ae88 "kmailpart") at /usr/include/kpluginfactory.h:491
#58 Kontact::Core::createPart (this=0x126a2b0, libname=0x163ae88 "kmailpart") at ../../kontactinterfaces/core.cpp:87
#59 0x00007ffbf6c2aa40 in KMailPlugin::createPart (this=0x7fff0b3fd1a0) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:170
#60 0x00007ffc0c4a7cf9 in Kontact::Plugin::part (this=0x7fff0b3fd1a0) at ../../kontactinterfaces/plugin.cpp:187
#61 0x00007ffc0c6cbf5f in Kontact::MainWindow::selectPlugin (this=0x126a2b0, plugin=0x12b4420) at ../../../kontact/src/mainwindow.cpp:754
#62 0x00007ffc0c6c769c in Kontact::MainWindow::loadSettings (this=0x126a2b0) at ../../../kontact/src/mainwindow.cpp:926
#63 0x00007ffc0c6d01b0 in Kontact::MainWindow::initObject (this=0x126a2b0) at ../../../kontact/src/mainwindow.cpp:226
#64 0x00007ffc0c6d065c in MainWindow (this=0x126a2b0, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at ../../../kontact/src/mainwindow.cpp:162
#65 0x0000000000404854 in KontactApp::newInstance (this=0x7fff0b400aa0) at ../../../kontact/src/main.cpp:134
#66 0x00007ffc0bd60916 in KUniqueApplicationAdaptor::newInstance (this=0x12bd360, asn_id=<value optimized out>, args=...) at ../../kdeui/kernel/kuniqueapplication.cpp:459
#67 0x00007ffc0bd60f06 in KUniqueApplicationAdaptor::qt_metacall (this=0x12bd360, _c=QMetaObject::InvokeMetaMethod, _id=188731792, _a=0x7fff0b3ffdd0) at ./kuniqueapplication_p.moc:75
#68 0x00007ffc08932ad4 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:891
#69 0x00007ffc08933c69 in QDBusConnectionPrivate::activateCall (this=<value optimized out>, object=0x12bd360, flags=337, msg=...) at qdbusintegrator.cpp:796
#70 0x00007ffc08934547 in QDBusConnectionPrivate::activateObject (this=<value optimized out>, node=..., msg=<value optimized out>, pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1347
#71 0x00007ffc089347c8 in QDBusActivateObjectEvent::placeMetaCall (this=0x12cbb80) at qdbusintegrator.cpp:1464
#72 0x00007ffc0a8120f9 in QObject::event (this=0x7fff0b400aa0, e=0x12cbb80) at kernel/qobject.cpp:1111
#73 0x00007ffc0b12cb4d in QApplication::event (this=0x7fff0b400aa0, e=0x12cbb80) at kernel/qapplication.cpp:2317
#74 0x00007ffc0b122efc in QApplicationPrivate::notify_helper (this=0x117fdf0, receiver=0x7fff0b400aa0, e=0x12cbb80) at kernel/qapplication.cpp:4056
#75 0x00007ffc0b12a1ce in QApplication::notify (this=0x7fff0b400aa0, receiver=0x7fff0b400aa0, e=0x12cbb80) at kernel/qapplication.cpp:4021
#76 0x00007ffc0bd59ab6 in KApplication::notify (this=0x7fff0b400aa0, receiver=0x7fff0b400aa0, event=0x12cbb80) at ../../kdeui/kernel/kapplication.cpp:302
#77 0x00007ffc0a802c2c in QCoreApplication::notifyInternal (this=0x7fff0b400aa0, receiver=0x7fff0b400aa0, event=0x12cbb80) at kernel/qcoreapplication.cpp:610
#78 0x00007ffc0a80380a in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1150080) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#79 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1150080) at kernel/qcoreapplication.cpp:1247
#80 0x00007ffc0a82b533 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#81 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#82 0x00007ffc0407cbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#83 0x00007ffc04080598 in ?? () from /lib/libglib-2.0.so.0
#84 0x00007ffc040806c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#85 0x00007ffc0a82b1a6 in QEventDispatcherGlib::processEvents (this=0x114fcb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#86 0x00007ffc0b1b74be in QGuiEventDispatcherGlib::processEvents (this=0x7fff0b3fd1a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#87 0x00007ffc0a801532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#88 0x00007ffc0a801904 in QEventLoop::exec (this=0x7fff0b4009e0, flags=) at kernel/qeventloop.cpp:201
#89 0x00007ffc0a803ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#90 0x0000000000403f47 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 230383

Reported using DrKonqi