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 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Kmail (Kontact) hung at synchronising IMAP Account, and crashed after I closed it in order to restart.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78ae700 (LWP 4563))]

Thread 2 (Thread 0xb116eb70 (LWP 4709)):
#0  0x00fd5422 in __kernel_vsyscall ()
#1  0x082ace15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x07cd978d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00919e67 in QWaitConditionPrivate::wait (this=0x914e1e8, mutex=0x914e1e4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x914e1e8, mutex=0x914e1e4, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x072e0922 in QHostInfoAgent::run (this=0x914e1d8) at kernel/qhostinfo.cpp:260
#6  0x00918e32 in QThreadPrivate::start (arg=0x914e1d8) at thread/qthread_unix.cpp:188
#7  0x082a880e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x07ccc7ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb78ae700 (LWP 4563)):
[KCrash Handler]
#6  0xb449605f in ?? () from /usr/lib/libkmailprivate.so.4
#7  0xb44d3a79 in ?? () from /usr/lib/libkmailprivate.so.4
#8  0xb44d3c2f in ?? () from /usr/lib/libkmailprivate.so.4
#9  0xb44d6873 in ?? () from /usr/lib/libkmailprivate.so.4
#10 0xb44d921b in ?? () from /usr/lib/libkmailprivate.so.4
#11 0x00a1f263 in QMetaObject::activate (sender=0x89e0f10, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#12 0x00a1fec2 in QMetaObject::activate (sender=0x89e0f10, m=0xafa904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#13 0x00a59667 in QTimer::timeout (this=0x89e0f10) at .moc/release-shared/moc_qtimer.cpp:128
#14 0x00a249ae in QTimer::timerEvent (this=0x89e0f10, e=0xbf9ca880) at kernel/qtimer.cpp:261
#15 0x00a193bf in QObject::event (this=0x89e0f10, e=0xbf9ca880) at kernel/qobject.cpp:1075
#16 0x010f6f54 in QApplicationPrivate::notify_helper (this=0x83ffcd8, receiver=0x89e0f10, e=0xbf9ca880) at kernel/qapplication.cpp:4056
#17 0x010fe67c in QApplication::notify (this=0xbf9cabe4, receiver=0x89e0f10, e=0xbf9ca880) at kernel/qapplication.cpp:3603
#18 0x00652bfa in KApplication::notify (this=0xbf9cabe4, receiver=0x89e0f10, event=0xbf9ca880) at ../../kdeui/kernel/kapplication.cpp:302
#19 0x00a096cb in QCoreApplication::notifyInternal (this=0xbf9cabe4, receiver=0x89e0f10, event=0xbf9ca880) at kernel/qcoreapplication.cpp:610
#20 0x00a367ce in QCoreApplication::sendEvent (this=0x8402f9c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#21 QTimerInfoList::activateTimers (this=0x8402f9c) at kernel/qeventdispatcher_unix.cpp:572
#22 0x00a340e0 in timerSourceDispatch (source=0x8402f68) at kernel/qeventdispatcher_glib.cpp:165
#23 0x01e26e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x01e2a720 in ?? () from /lib/libglib-2.0.so.0
#25 0x01e2a853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#26 0x00a3402c in QEventDispatcherGlib::processEvents (this=0x83e09f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#27 0x01197be5 in QGuiEventDispatcherGlib::processEvents (this=0x83e09f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#28 0x00a07c79 in QEventLoop::processEvents (this=0xbf9cab44, flags=) at kernel/qeventloop.cpp:149
#29 0x00a080ca in QEventLoop::exec (this=0xbf9cab44, flags=...) at kernel/qeventloop.cpp:201
#30 0x00a0a53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#31 0x010f6dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#32 0x0804b4e6 in _start ()

This bug may be a duplicate of or related to bug 214079

Reported using DrKonqi