Application: kontact (4.9.2)
KDE Platform Version: 4.9.2
Qt Version: 4.8.2
Operating System: Linux 3.2.0-31-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

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

I was using my desktop. KMail was running in the background when it suddenly crashed.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2c3ae0b7c0 (LWP 1922))]

Thread 4 (Thread 0x7f2c1e9a6700 (LWP 1934)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f2c375f9dec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f2c375f9f19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f2c32aaee9a in start_thread (arg=0x7f2c1e9a6700) at pthread_create.c:308
#4  0x00007f2c3832edbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f2c1e1a5700 (LWP 1935)):
#0  0x00007f2c32ab0f69 in __pthread_mutex_lock (mutex=0x7f2c18000a60) at pthread_mutex_lock.c:92
#1  0x00007f2c3261d5a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c325e11df in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c325e1f04 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2c325e2164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2c38aa4906 in QEventDispatcherGlib::processEvents (this=0x7f2c180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f2c38a73e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f2c38a74097 in QEventLoop::exec (this=0x7f2c1e1a4dc0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f2c38973057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f2c3897607b in QThreadPrivate::start (arg=0xe86410) at thread/qthread_unix.cpp:307
#10 0x00007f2c32aaee9a in start_thread (arg=0x7f2c1e1a5700) at pthread_create.c:308
#11 0x00007f2c3832edbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2bcbfff700 (LWP 1971)):
#0  0x00007f2c3261d320 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2c3261d599 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c325e11df in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c325e1f04 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2c325e2164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2c38aa4906 in QEventDispatcherGlib::processEvents (this=0x7f2bc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f2c38a73e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f2c38a74097 in QEventLoop::exec (this=0x7f2bcbffed90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f2c38973057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f2c38a53b4f in QInotifyFileSystemWatcherEngine::run (this=0x14476e0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f2c3897607b in QThreadPrivate::start (arg=0x14476e0) at thread/qthread_unix.cpp:307
#11 0x00007f2c32aaee9a in start_thread (arg=0x7f2bcbfff700) at pthread_create.c:308
#12 0x00007f2c3832edbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2c3ae0b7c0 (LWP 1922)):
[KCrash Handler]
#6  0x00007f2c39f42a30 in vtable for QMenu () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7  0x00007f2bd5e3ea50 in MailCommon::ExpireCollectionAttribute::loadFromConfig (this=0x1a373e0, collection=...) at ../../mailcommon/expirecollectionattribute.cpp:59
#8  0x00007f2bd5e3f3da in MailCommon::ExpireCollectionAttribute::expirationCollectionAttribute (collection=..., mustDeleteExpirationAttribute=@0x7fff2c27272f: false) at ../../mailcommon/expirecollectionattribute.cpp:191
#9  0x00007f2bd5e862a2 in MailCommon::FolderCollectionMonitor::expireAllCollection (this=0x12923e0, model=0x1241400, immediate=false, parentIndex=...) at ../../mailcommon/foldercollectionmonitor.cpp:92
#10 0x00007f2bd5e863cc in MailCommon::FolderCollectionMonitor::expireAllFolders (this=<optimized out>, immediate=<optimized out>, collectionModel=<optimized out>) at ../../mailcommon/foldercollectionmonitor.cpp:70
#11 0x00007f2bd620f3cd in KMKernel::slotRunBackgroundTasks (this=0x1299a30) at ../../kmail/kmkernel.cpp:1578
#12 0x00007f2bd621cb2a in KMKernel::qt_static_metacall (_o=0x1299a30, _c=<optimized out>, _id=<optimized out>, _a=0x7fff2c272900) at ./kmkernel.moc:185
#13 0x00007f2c38a89761 in QMetaObject::activate (sender=0x13206a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#14 0x00007f2c38a8e659 in QObject::event (this=0x13206a0, e=<optimized out>) at kernel/qobject.cpp:1157
#15 0x00007f2c3946f7b4 in notify_helper (e=0x7fff2c273010, receiver=0x13206a0, this=0xd7ccf0) at kernel/qapplication.cpp:4556
#16 QApplicationPrivate::notify_helper (this=0xd7ccf0, receiver=0x13206a0, e=0x7fff2c273010) at kernel/qapplication.cpp:4528
#17 0x00007f2c39474583 in QApplication::notify (this=0x7fff2c2732e0, receiver=0x13206a0, e=0x7fff2c273010) at kernel/qapplication.cpp:4417
#18 0x00007f2c3a1aa756 in KApplication::notify (this=0x7fff2c2732e0, receiver=0x13206a0, event=0x7fff2c273010) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f2c38a7530c in QCoreApplication::notifyInternal (this=0x7fff2c2732e0, receiver=0x13206a0, event=0x7fff2c273010) at kernel/qcoreapplication.cpp:915
#20 0x00007f2c38aa66d2 in sendEvent (event=0x7fff2c273010, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QTimerInfoList::activateTimers (this=0xd7a160) at kernel/qeventdispatcher_unix.cpp:611
#22 0x00007f2c38aa40ed in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#23 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#24 0x00007f2c325e1d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f2c325e20a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f2c325e2164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f2c38aa489f in QEventDispatcherGlib::processEvents (this=0xd43c10, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0x00007f2c39517cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f2c38a73e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f2c38a74097 in QEventLoop::exec (this=0x7fff2c273270, flags=...) at kernel/qeventloop.cpp:204
#31 0x00007f2c38a793e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#32 0x00000000004035c9 in main (argc=3, argv=0x7fff2c273908) at ../../../kontact/src/main.cpp:219

Reported using DrKonqi