Application: kontact (4.6 beta4)
KDE Platform Version: 4.5.85 (4.6 Beta2) (Compiled from sources)
Qt Version: 4.7.1
Operating System: Linux 2.6.36-rc4 x86_64
Distribution (Platform): Gentoo Packages

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

i get attached backtrace whenever i try to delete a mail from a imap account, anything i can do to debug?

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
[Current thread is 1 (Thread 0x7f1dbb22e740 (LWP 6679))]

Thread 2 (Thread 0x7f1da6a85710 (LWP 6684)):
#0  0x00007f1db350f3dc in pthread_cond_wait () from /lib/libpthread.so.0
#1  0x00007f1db7bca3b2 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/qt4/libQtWebKit.so.4
#2  0x00007f1db7bca3e9 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/qt4/libQtWebKit.so.4
#3  0x00007f1db350b4e7 in start_thread () from /lib/libpthread.so.0
#4  0x00007f1db86b828d in clone () from /lib/libc.so.6

Thread 1 (Thread 0x7f1dbb22e740 (LWP 6679)):
[KCrash Handler]
#6  0x00007f1db8616445 in raise () from /lib/libc.so.6
#7  0x00007f1db8617941 in abort () from /lib/libc.so.6
#8  0x00007f1db8cbdd5d in qt_message_output (msgType=QtFatalMsg, buf=<value optimized out>) at global/qglobal.cpp:2282
#9  0x00007f1db8cbdefd in qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) (msgType=QtFatalMsg, msg=0x7f1db8e346d0 "ASSERT: \"%s\" in file %s, line %d", ap=0x7fff92565b90) at global/qglobal.cpp:2328
#10 0x00007f1db8cbe095 in qFatal (msg=<value optimized out>) at global/qglobal.cpp:2511
#11 0x00007f1db59d267d in Akonadi::StandardActionManager::Private::slotDeleteItems() () from /usr/lib/libakonadi-kde.so.4
#12 0x00007f1db59cde42 in Akonadi::StandardActionManager::qt_metacall (this=0xcba600, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff92565fa0) at /var/tmp/portage/kde-base/kdepimlibs-9999/work/kdepimlibs-9999_build/akonadi/standardactionmanager.moc:161
#13 0x00007f1db8de0607 in QMetaObject::activate (sender=0xcb68f0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3272
#14 0x00007f1db97adda2 in QAction::triggered (this=0x1a17, _t1=false) at .moc/debug-shared/moc_qaction.cpp:263
#15 0x00007f1db97af590 in QAction::activate (this=0xcb68f0, event=<value optimized out>) at kernel/qaction.cpp:1257
#16 0x00007f1db9bb63aa in QAbstractButtonPrivate::click (this=0xe23600) at widgets/qabstractbutton.cpp:528
#17 0x00007f1db9bb666c in QAbstractButton::mouseReleaseEvent (this=0xb72c10, e=0x7fff92566bc0) at widgets/qabstractbutton.cpp:1121
#18 0x00007f1db9c90d1a in QToolButton::mouseReleaseEvent (this=0x1a17, e=0x1a17) at widgets/qtoolbutton.cpp:721
#19 0x00007f1db9813fe5 in QWidget::event (this=0xb72c10, event=0x7fff92566bc0) at kernel/qwidget.cpp:8200
#20 0x00007f1db97b5906 in QApplicationPrivate::notify_helper (this=0x638300, receiver=0xb72c10, e=0x7fff92566bc0) at kernel/qapplication.cpp:4445
#21 0x00007f1db97bd4ae in QApplication::notify (this=<value optimized out>, receiver=0xb72c10, e=0x7fff92566bc0) at kernel/qapplication.cpp:4006
#22 0x00007f1dba59f6d1 in KApplication::notify (this=0x7fff92567760, receiver=0xb72c10, event=0x7fff92566bc0) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdeui/kernel/kapplication.cpp:311
#23 0x00007f1db8dc6943 in QCoreApplication::notifyInternal (this=0x7fff92567760, receiver=0xb72c10, event=0x7fff92566bc0) at kernel/qcoreapplication.cpp:732
#24 0x00007f1db97bbfc1 in sendEvent (receiver=0xb72c10, event=0x7fff92566bc0, alienWidget=0xb72c10, nativeWidget=0x8b9030, buttonDown=<value optimized out>, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QApplicationPrivate::sendMouseEvent (receiver=0xb72c10, event=0x7fff92566bc0, alienWidget=0xb72c10, nativeWidget=0x8b9030, buttonDown=<value optimized out>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3105
#26 0x00007f1db9849148 in QETWidget::translateMouseEvent (this=0x8b9030, event=<value optimized out>) at kernel/qapplication_x11.cpp:4438
#27 0x00007f1db9847d25 in QApplication::x11ProcessEvent (this=0x7fff92567760, event=0x7fff925673a0) at kernel/qapplication_x11.cpp:3564
#28 0x00007f1db9873152 in x11EventSourceDispatch (s=0x640580, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f1db2fbe88c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0x00007f1db2fc2540 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#31 0x00007f1db2fc27cb in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0x00007f1db8df5cac in QEventDispatcherGlib::processEvents (this=0x6371f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#33 0x00007f1db9872a2f in QGuiEventDispatcherGlib::processEvents (this=0x1a17, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f1db8dc56a2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f1db8dc5a84 in QEventLoop::exec (this=0x7fff925676d0, flags=...) at kernel/qeventloop.cpp:201
#36 0x00007f1db8dc7fc4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#37 0x0000000000403df2 in main (argc=3, argv=0x7fff92567cb8) at /var/tmp/portage/kde-base/kontact-9999/work/kontact-9999/kontact/src/main.cpp:218

Reported using DrKonqi