Application: kmail (2.1.0)
KDE Platform Version: 4.6.4 (4.6.4)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
i opened kmail and i click on settings menu to change some options.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f07427077a0 (LWP 3273))]

Thread 3 (Thread 0x7f0723696700 (LWP 3280)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f0734bb2832 in scavengerThread (context=0x7f07353d9f00) at wtf/FastMalloc.cpp:2378
#2  WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f07353d9f00) at wtf/FastMalloc.cpp:1497
#3  0x00007f073d681d8c in start_thread (arg=0x7f0723696700) at pthread_create.c:304
#4  0x00007f073fad204d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f071fee9700 (LWP 3288)):
#0  g_main_context_iterate (context=0x2336150, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3035
#1  0x00007f073851d639 in g_main_context_iteration (context=0x2336150, may_block=1) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3154
#2  0x00007f0740422446 in QEventDispatcherGlib::processEvents (this=0x1f55400, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007f07403f6882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f07403f6abc in QEventLoop::exec (this=0x7f071fee8db0, flags=...) at kernel/qeventloop.cpp:201
#5  0x00007f074030d924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#6  0x00007f07403d8c2f in QInotifyFileSystemWatcherEngine::run (this=0x2318710) at io/qfilesystemwatcher_inotify.cpp:248
#7  0x00007f0740310175 in QThreadPrivate::start (arg=0x2318710) at thread/qthread_unix.cpp:320
#8  0x00007f073d681d8c in start_thread (arg=0x7f071fee9700) at pthread_create.c:304
#9  0x00007f073fad204d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f07427077a0 (LWP 3273)):
[KCrash Handler]
#6  isEmpty (this=0x20) at /usr/include/qt4/QtCore/qmap.h:200
#7  KPIM::ProgressItem::setComplete (this=0x20) at ../../libkdepim/progressmanager.cpp:52
#8  0x00007f073a1f24d7 in KPIM::AgentProgressMonitor::Private::instanceStatusChanged (this=0x1e81bf0, instance=...) at ../../libkdepim/agentprogressmonitor.cpp:86
#9  0x00007f073a1f258a in KPIM::AgentProgressMonitor::qt_metacall (this=0x1e82aa0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44201820) at ./agentprogressmonitor.moc:78
#10 0x00007f074040c5f8 in QMetaObject::activate (sender=0x17ef070, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff44201820) at kernel/qobject.cpp:3287
#11 0x00007f073c73f625 in Akonadi::AgentManager::instanceStatusChanged (this=<value optimized out>, _t1=<value optimized out>) at ./agentmanager.moc:177
#12 0x00007f073c743d7f in Akonadi::AgentManagerPrivate::agentInstanceStatusChanged (this=0x17ef950, identifier=<value optimized out>, status=2, msg=...) at ../../akonadi/agentmanager.cpp:129
#13 0x00007f073c74625e in Akonadi::AgentManager::qt_metacall (this=0x17ef070, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44201990) at ./agentmanager.moc:131
#14 0x00007f074040c5f8 in QMetaObject::activate (sender=0x17ef010, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff44201990) at kernel/qobject.cpp:3287
#15 0x00007f073c862e6b in OrgFreedesktopAkonadiAgentManagerInterface::agentInstanceStatusChanged (this=<value optimized out>, _t1=<value optimized out>, _t2=2, _t3=<value optimized out>) at agentmanagerinterface.moc:285
#16 0x00007f073c863301 in OrgFreedesktopAkonadiAgentManagerInterface::qt_metacall (this=0x17ef010, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7fff44202260) at agentmanagerinterface.moc:167
#17 0x00007f073e1889fa in QDBusConnectionPrivate::deliverCall (this=0x175e3d0, object=0x17ef010, msg=..., metaTypes=..., slotIdx=12) at qdbusintegrator.cpp:942
#18 0x00007f073e192e4f in QDBusCallDeliveryEvent::placeMetaCall (this=<value optimized out>, object=<value optimized out>) at qdbusintegrator_p.h:103
#19 0x00007f074040b49a in QObject::event (this=0x17ef010, e=<value optimized out>) at kernel/qobject.cpp:1226
#20 0x00007f07408e59f4 in QApplicationPrivate::notify_helper (this=0x177a860, receiver=0x17ef010, e=0x176e970) at kernel/qapplication.cpp:4462
#21 0x00007f07408ea3ba in QApplication::notify (this=<value optimized out>, receiver=0x17ef010, e=0x176e970) at kernel/qapplication.cpp:4341
#22 0x00007f0742130716 in KApplication::notify (this=0x7fff44202d70, receiver=0x17ef010, event=0x176e970) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f07403f749c in QCoreApplication::notifyInternal (this=0x7fff44202d70, receiver=0x17ef010, event=0x176e970) at kernel/qcoreapplication.cpp:731
#24 0x00007f07403fac25 in sendEvent (receiver=0x0, event_type=0, data=0x1700b30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1700b30) at kernel/qcoreapplication.cpp:1372
#26 0x00007f0740422253 in sendPostedEvents (s=0x177d160) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#27 postEventSourceDispatch (s=0x177d160) at kernel/qeventdispatcher_glib.cpp:277
#28 0x00007f073851cbcd in g_main_dispatch (context=0x177d080) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:2440
#29 g_main_context_dispatch (context=0x177d080) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3013
#30 0x00007f073851d3a8 in g_main_context_iterate (context=0x177d080, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3091
#31 0x00007f073851d639 in g_main_context_iteration (context=0x177d080, may_block=1) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3154
#32 0x00007f07404223ef in QEventDispatcherGlib::processEvents (this=0x1700310, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#33 0x00007f074098f4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f07403f6882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f07403f6abc in QEventLoop::exec (this=0x7fff44202c40, flags=...) at kernel/qeventloop.cpp:201
#36 0x00007f07403faecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#37 0x0000000000403008 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:145

Reported using DrKonqi