Application: kmail (1.13.6)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
I changed Message View Panel location from "Below Message List" to "Next after Message List". After I choose "Apply" option and saw how Kmail tried to change a view, bit it was finished by crash.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f8758ee0840 (LWP 3781))]

Thread 3 (Thread 0x7f873a374700 (LWP 3784)):
#0  0x00007f8755e31f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f874dd39104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f874dd399f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8744f6ac44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f874dd603e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f87539edd8c in start_thread (arg=0x7f873a374700) at pthread_create.c:304
#6  0x00007f8755e3f04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f872eaa5700 (LWP 3795)):
#0  0x00007f8755e31f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f874dd39104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f874dd39639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f875678f446 in QEventDispatcherGlib::processEvents (this=0x7f8734021c70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f8756763882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f8756763abc in QEventLoop::exec (this=0x7f872eaa4d10, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f875667a924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f8756745c2f in QInotifyFileSystemWatcherEngine::run (this=0x1bded90) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f875667d175 in QThreadPrivate::start (arg=0x1bded90) at thread/qthread_unix.cpp:320
#9  0x00007f87539edd8c in start_thread (arg=0x7f872eaa5700) at pthread_create.c:304
#10 0x00007f8755e3f04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8758ee0840 (LWP 3781)):
[KCrash Handler]
#6  0x00007f8757afa0ae in KMail::ISubject::notify (this=0x1beb5b0) at ../../kmail/isubject.cpp:33
#7  0x00007f875783e6c0 in KMMessage::updateBodyPart (this=0x1beb4e0, partSpecifier=..., data=<value optimized out>) at ../../kmail/kmmessage.cpp:3185
#8  0x00007f8757ad3de8 in KMail::ImapJob::slotGetMessageResult (this=0x26aebd0, job=<value optimized out>) at ../../kmail/imapjob.cpp:435
#9  0x00007f8757ad803b in KMail::ImapJob::qt_metacall (this=0x26aebd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe5c49cf0) at ./imapjob.moc:88
#10 0x00007f87567795f8 in QMetaObject::activate (sender=0x2970120, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffe5c49cf0) at kernel/qobject.cpp:3287
#11 0x00007f875832dd32 in KJob::result (this=<value optimized out>, _t1=0x2970120) at ./kjob.moc:194
#12 0x00007f875832dd70 in KJob::emitResult (this=0x2970120) at ../../kdecore/jobs/kjob.cpp:312
#13 0x00007f87533dac9b in KIO::SimpleJob::slotFinished (this=0x2970120) at ../../kio/kio/job.cpp:525
#14 0x00007f87533e0122 in KIO::TransferJob::slotFinished (this=0x2970120) at ../../kio/kio/job.cpp:1118
#15 0x00007f87533e4421 in KIO::TransferJob::qt_metacall (this=0x2970120, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe5c4a0f0) at ./jobclasses.moc:367
#16 0x00007f87567795f8 in QMetaObject::activate (sender=0x1b35720, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3287
#17 0x00007f8753481531 in KIO::SlaveInterface::dispatch (this=<value optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:173
#18 0x00007f875347e4b5 in KIO::SlaveInterface::dispatch (this=0x1b35720) at ../../kio/kio/slaveinterface.cpp:89
#19 0x00007f8753471e8e in KIO::Slave::gotInput (this=0x1b35720) at ../../kio/kio/slave.cpp:348
#20 0x00007f87534724dc in KIO::Slave::qt_metacall (this=0x1b35720, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe5c4a500) at ./slave.moc:82
#21 0x00007f87567795f8 in QMetaObject::activate (sender=0x1e9fe40, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3287
#22 0x00007f87533abff7 in KIO::ConnectionPrivate::dequeue (this=0x1d98530) at ../../kio/kio/connection.cpp:82
#23 0x00007f87533ac09d in KIO::Connection::qt_metacall (this=0x1e9fe40, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1cffb50) at ./connection.moc:79
#24 0x00007f875677849a in QObject::event (this=0x1e9fe40, e=<value optimized out>) at kernel/qobject.cpp:1226
#25 0x00007f8756c529f4 in QApplicationPrivate::notify_helper (this=0x12d5710, receiver=0x1e9fe40, e=0x2577910) at kernel/qapplication.cpp:4462
#26 0x00007f8756c573ba in QApplication::notify (this=<value optimized out>, receiver=0x1e9fe40, e=0x2577910) at kernel/qapplication.cpp:4341
#27 0x00007f8758902866 in KApplication::notify (this=0x7fffe5c4b0a0, receiver=0x1e9fe40, event=0x2577910) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007f875676449c in QCoreApplication::notifyInternal (this=0x7fffe5c4b0a0, receiver=0x1e9fe40, event=0x2577910) at kernel/qcoreapplication.cpp:731
#29 0x00007f8756767c25 in sendEvent (receiver=0x0, event_type=0, data=0x123bb30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x123bb30) at kernel/qcoreapplication.cpp:1372
#31 0x00007f875678f253 in sendPostedEvents (s=0x12d54a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=0x12d54a0) at kernel/qeventdispatcher_glib.cpp:277
#33 0x00007f874dd38bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f874dd393a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f874dd39639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f875678f3ef in QEventDispatcherGlib::processEvents (this=0x123b310, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007f8756cfc4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007f8756763882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007f8756763abc in QEventLoop::exec (this=0x7fffe5c4aee0, flags=...) at kernel/qeventloop.cpp:201
#40 0x00007f8756767ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#41 0x0000000000403175 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:158

Possible duplicates by query: bug 282423, bug 281864, bug 277065, bug 276031, bug 275882.

Reported using DrKonqi