Application that crashed: kmail
Version of the application: 1.12.3
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-ARCH x86_64

What I was doing when the application crashed:
I tried to move some messages around, and retrieve inbox, when Kmail crashed.
It looked like I had no network connection, though Firefox was working fine

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f74bb580760 (LWP 4633))]

Thread 2 (Thread 0x7f74a1fd0710 (LWP 4835)):
#0  0x00007f74b7f6607c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f74b9842c6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f74b732ac9c in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f74b9841ba5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f74b7f6181a in start_thread () from /lib/libpthread.so.0
#5  0x00007f74b849b8cd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f74bb580760 (LWP 4633)):
[KCrash Handler]
#5  0x00007f74ba33993b in KMail::FolderJob::msgList() const () from /usr/lib/libkmailprivate.so.4
#6  0x00007f74ba1e35b3 in KMAcctImap::ignoreJobsForMessage(KMMessage*) () from /usr/lib/libkmailprivate.so.4
#7  0x00007f74ba2fc2e7 in KMMoveCommand::execute() () from /usr/lib/libkmailprivate.so.4
#8  0x00007f74ba2e1eda in KMCommand::slotPostTransfer(KMCommand::Result) () from /usr/lib/libkmailprivate.so.4
#9  0x00007f74ba2ec093 in KMCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#10 0x00007f74ba2fd3d0 in KMMoveCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#11 0x00007f74b993bd3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#12 0x00007f74ba2df05e in KMCommand::messagesTransfered(KMCommand::Result) () from /usr/lib/libkmailprivate.so.4
#13 0x00007f74ba2fa208 in KMCommand::transferSelectedMsgs() () from /usr/lib/libkmailprivate.so.4
#14 0x00007f74ba2fa42f in KMCommand::slotStart() () from /usr/lib/libkmailprivate.so.4
#15 0x00007f74ba2ec076 in KMCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#16 0x00007f74ba2fd3d0 in KMMoveCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#17 0x00007f74b993bd3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#18 0x00007f74b9940d7f in ?? () from /usr/lib/libQtCore.so.4
#19 0x00007f74b9935ce3 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x00007f74b8dd807c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f74b8ddf34e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007f74bafc48f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#23 0x00007f74b9926bfc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#24 0x00007f74b99523e2 in ?? () from /usr/lib/libQtCore.so.4
#25 0x00007f74b994f3f8 in ?? () from /usr/lib/libQtCore.so.4
#26 0x00007f74b09811fe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0x00007f74b0984bb8 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#28 0x00007f74b0984ce0 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#29 0x00007f74b994f123 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x00007f74b8e6b14e in ?? () from /usr/lib/libQtGui.so.4
#31 0x00007f74b9925532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007f74b9925904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#33 0x00007f74b9927ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#34 0x0000000000402f89 in _start ()

This bug may be a duplicate of or related to bug 212510

Reported using DrKonqi