Application: kmail (4.11.2)
KDE Platform Version: 4.11.2 (Compiled from sources)
Qt Version: 4.8.4
Operating System: Linux 3.11.0-14-generic i686
Distribution: Ubuntu 13.10

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

I was deleting folders of former configurations when kmail crashed.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb04bc980 (LWP 6226))]

Thread 5 (Thread 0xacaffb40 (LWP 6234)):
#0  0xb7769424 in __kernel_vsyscall ()
#1  0xb587d84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5ef59bc in __pthread_cond_wait (cond=0xb3ea9d90 <WTF::pageheap_memory+20720>, mutex=0xb3ea9d78 <WTF::pageheap_memory+20696>) at forward.c:149
#3  0xb362fa7c in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb362facf in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb5879d78 in start_thread (arg=0xacaffb40) at pthread_create.c:311
#6  0xb5ee801e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 4 (Thread 0xac1b6b40 (LWP 6235)):
#0  __pthread_mutex_unlock_usercnt (mutex=0xab800558, decr=1) at pthread_mutex_unlock.c:80
#1  0xb5ef5c04 in pthread_mutex_unlock (mutex=0xab800558) at forward.c:194
#2  0xb43dabf0 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb4397738 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb4397be8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb4397ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb6d088df in QEventDispatcherGlib::processEvents (this=0xab800468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb6cd79f3 in QEventLoop::processEvents (this=this@entry=0xac1b6228, flags=...) at kernel/qeventloop.cpp:149
#8  0xb6cd7d19 in QEventLoop::exec (this=this@entry=0xac1b6228, flags=...) at kernel/qeventloop.cpp:204
#9  0xb6bc6e3d in QThread::exec (this=this@entry=0x96c7ec0) at thread/qthread.cpp:542
#10 0xb6cb7e14 in QInotifyFileSystemWatcherEngine::run (this=0x96c7ec0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0xb6bc972f in QThreadPrivate::start (arg=0x96c7ec0) at thread/qthread_unix.cpp:338
#12 0xb5879d78 in start_thread (arg=0xac1b6b40) at pthread_create.c:311
#13 0xb5ee801e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 3 (Thread 0xab7ffb40 (LWP 6236)):
#0  0xb7769424 in __kernel_vsyscall ()
#1  0xb587d84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5ef59bc in __pthread_cond_wait (cond=0xac24c7dc, mutex=0xac24c7c4) at forward.c:149
#3  0xb365eae3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb333a744 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb3645866 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb365e459 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb5879d78 in start_thread (arg=0xab7ffb40) at pthread_create.c:311
#8  0xb5ee801e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0xaa3abb40 (LWP 6238)):
#0  0xb7769424 in __kernel_vsyscall ()
#1  0xb5efb4d2 in clock_gettime (clock_id=1, tp=0xaa3ab048) at ../sysdeps/unix/clock_gettime.c:115
#2  0xb6c243ec in do_gettime (frac=0xaa3ab040, sec=0xaa3ab038) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb6d09c61 in QTimerInfoList::updateCurrentTime (this=this@entry=0xacb03734) at kernel/qeventdispatcher_unix.cpp:354
#5  0xb6d08b5e in timerSourceCheckHelper (src=0xacb03700) at kernel/qeventdispatcher_glib.cpp:150
#6  0xb439758f in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb4397afa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb4397ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb6d088df in QEventDispatcherGlib::processEvents (this=0xacb020e8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#10 0xb6cd79f3 in QEventLoop::processEvents (this=this@entry=0xaa3ab258, flags=...) at kernel/qeventloop.cpp:149
#11 0xb6cd7d19 in QEventLoop::exec (this=this@entry=0xaa3ab258, flags=...) at kernel/qeventloop.cpp:204
#12 0xb6bc6e3d in QThread::exec (this=this@entry=0x9694f90) at thread/qthread.cpp:542
#13 0xb6bc6f8b in QThread::run (this=0x9694f90) at thread/qthread.cpp:609
#14 0xb6bc972f in QThreadPrivate::start (arg=0x9694f90) at thread/qthread_unix.cpp:338
#15 0xb5879d78 in start_thread (arg=0xaa3abb40) at pthread_create.c:311
#16 0xb5ee801e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb04bc980 (LWP 6226)):
[KCrash Handler]
#7  QSharedDataPointer (o=..., this=0xbff6763c) at /usr/include/qt4/QtCore/qshareddata.h:93
#8  assignEntityPrivate (one=..., other=...) at ../../akonadi/entity.cpp:49
#9  0xb531ac86 in Akonadi::Entity::Entity (this=0xbff6779c, other=...) at ../../akonadi/entity.cpp:55
#10 0xb5352cc3 in Akonadi::Collection::Collection (this=0xbff6779c, other=...) at ../../akonadi/collection.cpp:73
#11 0xb4f31c77 in MailCommon::FolderCollection::collection (this=0x0) at ../../mailcommon/folder/foldercollection.cpp:151
#12 0xb6f4a533 in KMMainWidget::slotDelayedRemoveFolder (this=this@entry=0x94ca450, job=0x9c6bb08) at ../../kmail/kmmainwidget.cpp:1682
#13 0xb6f66fd2 in KMMainWidget::qt_static_metacall (_o=_o@entry=0x94ca450, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=54, _a=0xbff67918) at ./kmmainwidget.moc:417
#14 0xb6cedfc7 in QMetaObject::activate (sender=sender@entry=0x9c6bb08, m=m@entry=0xb73244cc <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0xbff67918) at kernel/qobject.cpp:3539
#15 0xb717e9e5 in KJob::result (this=this@entry=0x9c6bb08, _t1=_t1@entry=0x9c6bb08) at ./kjob.moc:208
#16 0xb717ea32 in KJob::emitResult (this=0x9c6bb08) at ../../kdecore/jobs/kjob.cpp:318
#17 0xb53ea236 in delayedEmitResult (this=<optimized out>) at ../../akonadi/job.cpp:156
#18 Akonadi::Job::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0x975a848, _c=<optimized out>) at ./moc_job.cpp:71
#19 0xb6cea77a in QMetaCallEvent::placeMetaCall (this=0x9c45858, object=0x9c6bb08) at kernel/qobject.cpp:524
#20 0xb6cf258b in QObject::event (this=0x9c6bb08, e=0x9c45858) at kernel/qobject.cpp:1194
#21 0xb61ea744 in QApplicationPrivate::notify_helper (this=0x916ec58, receiver=0x9c6bb08, e=0x9c45858) at kernel/qapplication.cpp:4567
#22 0xb61f1223 in QApplication::notify (this=0xbff68024, receiver=receiver@entry=0x9c6bb08, e=e@entry=0x9c45858) at kernel/qapplication.cpp:4353
#23 0xb7500ff4 in KApplication::notify (this=0xbff68024, receiver=0x9c6bb08, event=0x9c45858) at ../../kdeui/kernel/kapplication.cpp:311
#24 0xb6cd8eda in QCoreApplication::notifyInternal (this=0xbff68024, receiver=receiver@entry=0x9c6bb08, event=event@entry=0x9c45858) at kernel/qcoreapplication.cpp:946
#25 0xb6cdc6ad in sendEvent (event=0x9c45858, receiver=0x9c6bb08) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x911d150) at kernel/qcoreapplication.cpp:1570
#27 0xb6cdcbbc in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#28 0xb6d08f6e in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#29 postEventSourceDispatch (s=0x916e810) at kernel/qeventdispatcher_glib.cpp:279
#30 0xb439783e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb4397be8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0xb4397ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#33 0xb6d088bf in QEventDispatcherGlib::processEvents (this=this@entry=0x911dee0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#34 0xb629f32e in QGuiEventDispatcherGlib::processEvents (this=0x911dee0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0xb6cd79f3 in QEventLoop::processEvents (this=this@entry=0xbff67ed8, flags=...) at kernel/qeventloop.cpp:149
#36 0xb6cd7d19 in QEventLoop::exec (this=this@entry=0xbff67ed8, flags=...) at kernel/qeventloop.cpp:204
#37 0xb6cdd89e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#38 0xb61e8974 in QApplication::exec () at kernel/qapplication.cpp:3828
#39 0x0804a441 in main (argc=3, argv=0xbff68174) at ../../kmail/main.cpp:146

Possible duplicates by query: bug 325911, bug 323883, bug 323115, bug 322413, bug 320611.

Reported using DrKonqi