Application that crashed: kontact
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH i686

What I was doing when the application crashed:
I'm using LDAP db to search names within our company. When I begin typing a person name in "To" field Kontact crashes after few letters. I think this is related to LDAP lookap

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb7e4cbaf in KPIM::AddresseeLineEdit::slotLDAPSearchData () from /usr/lib/libkdepim.so.4
#7  0xb7e4ce25 in KPIM::AddresseeLineEdit::qt_metacall () from /usr/lib/libkdepim.so.4
#8  0xb151fb9a in KMLineEdit::qt_metacall () from /usr/lib/libkmailprivate.so.4
#9  0xb159679a in RecipientLineEdit::qt_metacall () from /usr/lib/libkmailprivate.so.4
#10 0xb770d9ac in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb770e5e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb7e4fe73 in KPIM::LdapSearch::searchData () from /usr/lib/libkdepim.so.4
#13 0xb7e53eaf in KPIM::LdapSearch::slotDataTimer () from /usr/lib/libkdepim.so.4
#14 0xb7e53f3d in KPIM::LdapSearch::finish () from /usr/lib/libkdepim.so.4
#15 0xb7e53f80 in KPIM::LdapSearch::slotLDAPDone () from /usr/lib/libkdepim.so.4
#16 0xb7e569e3 in KPIM::LdapSearch::qt_metacall () from /usr/lib/libkdepim.so.4
#17 0xb770d9ac in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb770e5e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb7e4ffa7 in KPIM::LdapClient::done () from /usr/lib/libkdepim.so.4
#20 0xb7e5073f in KPIM::LdapClient::slotDone () from /usr/lib/libkdepim.so.4
#21 0xb7e544a3 in KPIM::LdapClient::qt_metacall () from /usr/lib/libkdepim.so.4
#22 0xb770d9ac in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb770e5e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb78c3a93 in KJob::result () from /usr/lib/libkdecore.so.5
#25 0xb78c3f19 in KJob::emitResult () from /usr/lib/libkdecore.so.5
#26 0xb61452c0 in KIO::SimpleJob::slotFinished () from /usr/lib/libkio.so.5
#27 0xb61457da in KIO::TransferJob::slotFinished () from /usr/lib/libkio.so.5
#28 0xb6143503 in KIO::TransferJob::qt_metacall () from /usr/lib/libkio.so.5
#29 0xb770d9ac in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#30 0xb770e5e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#31 0xb620e707 in KIO::SlaveInterface::finished () from /usr/lib/libkio.so.5
#32 0xb62125fd in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#33 0xb620ebc3 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#34 0xb6200cba in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#35 0xb62030b3 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#36 0xb770d9ac in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#37 0xb770e5e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#38 0xb610bca7 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#39 0xb610da5e in KIO::ConnectionPrivate::dequeue () from /usr/lib/libkio.so.5
#40 0xb610db8e in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#41 0xb770669b in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#42 0xb7707d9e in QObject::event () from /usr/lib/libQtCore.so.4
#43 0xb6d4a994 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#44 0xb6d5207c in QApplication::notify () from /usr/lib/libQtGui.so.4
#45 0xb7c0343a in KApplication::notify () from /usr/lib/libkdeui.so.5
#46 0xb76f7fcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#47 0xb76f8bb2 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#48 0xb76f8d7d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#49 0xb7722a9f in ?? () from /usr/lib/libQtCore.so.4
#50 0xb5166d98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#51 0xb516a3e0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#52 0xb516a513 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#53 0xb77226cc in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#54 0xb6de86c5 in ?? () from /usr/lib/libQtGui.so.4
#55 0xb76f6579 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#56 0xb76f69ca in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#57 0xb76f8e3f in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#58 0xb6d4a817 in QApplication::exec () from /usr/lib/libQtGui.so.4
#59 0x0804b496 in _start ()

Reported using DrKonqi