Application: kmail (1.13.7)
KDE Platform Version: 4.6.3 (4.6.3)
Qt Version: 4.7.3
Operating System: Linux 2.6.38-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I had received a message and pressed v in order to see the message's source (then the message disappeared an reappeared - it had just been downloaded), a notification said that the message was being downloaded, I pressed Cancel... and bim : crash.

GMail imap account.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f29ff765760 (LWP 3354))]

Thread 3 (Thread 0x7f29de8f7700 (LWP 3360)):
#0  0x00007f29fa60ddab in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f29fcf9739e in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f29fcf8be4f in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f29fcf96f95 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f29fa609d40 in start_thread () from /lib/libpthread.so.0
#5  0x00007f29fc776aed in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f29de0f6700 (LWP 3361)):
#0  0x00007f29fa60ddab in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f29fcf9739e in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f29fcf8be4f in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f29fcf96f95 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f29fa609d40 in start_thread () from /lib/libpthread.so.0
#5  0x00007f29fc776aed in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f29ff765760 (LWP 3354)):
[KCrash Handler]
#6  0x00007f29fe373a8b in KMCommand::slotTransferCancelled() () from /usr/lib/libkmailprivate.so.4
#7  0x00007f29fe373cbc in KMCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#8  0x00007f29fd09029a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#9  0x00007f29ff0ee150 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#10 0x00007f29ff0ee622 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#11 0x00007f29ff114770 in KProgressDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#12 0x00007f29fd09029a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x00007f29fd09646e in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#14 0x00007f29fd096a0b in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#15 0x00007f29fd096e60 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#16 0x00007f29fd09029a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#17 0x00007f29fdbca992 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#18 0x00007f29fd912b0e in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007f29fd913e4b in ?? () from /usr/lib/libQtGui.so.4
#20 0x00007f29fd9140bc in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f29fd5b4716 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007f29fd564174 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007f29fd5698fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00007f29ff1959d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#25 0x00007f29fd07d62c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#26 0x00007f29fd565142 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#27 0x00007f29fd5e1528 in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007f29fd5e032a in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007f29fd607562 in ?? () from /usr/lib/libQtGui.so.4
#30 0x00007f29f470763d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0x00007f29f4707e18 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0x00007f29f47080a9 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0x00007f29fd0a827f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007f29fd6071fe in ?? () from /usr/lib/libQtGui.so.4
#35 0x00007f29fd07c832 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x00007f29fd07ca2f in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x00007f29fd080c07 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x0000000000402cd0 in ?? ()
#39 0x00007f29fc6c5f6d in __libc_start_main () from /lib/libc.so.6
#40 0x00000000004031b1 in _start ()

Reported using DrKonqi