Application: kpackagekitsmarticon (0.6.0)
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.32-10-generic x86_64
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
when kpackagekit is enabled end it's updating repository information, if i stop update (with "undo" button), kpackagekit crash.

The crash can be reproduced every time.

 -- Backtrace:
Application: KPackageKit (kpackagekitsmarticon), signal: Segmentation fault
The current source language is "auto; currently asm".
[KCrash Handler]
#5  0x00007f740d23e8b8 in PackageKit::Transaction::cancel() () from /usr/lib/libpackagekit-qt.so.13
#6  0x00007f740c47232d in KpkTransaction::slotButtonClicked(int) () from /usr/lib/libkpackagekitlib.so
#7  0x00007f740dd620f9 in KDialog::qt_metacall (this=0x101f5d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6bdfd9f0) at ./kdialog.moc:190
#8  0x00007f740c4746d3 in KpkTransaction::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkpackagekitlib.so
#9  0x00007f740c819833 in QMetaObject::activate (sender=0x114f618, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xe4e0) at kernel/qobject.cpp:3294
#10 0x00007f740c81ebce in QSignalMapper::mapped (this=0xf08640, _t1=32) at .moc/release-shared/moc_qsignalmapper.cpp:101
#11 0x00007f740c81fde2 in QSignalMapper::map (this=0x114f618, sender=0x102d3f0) at kernel/qsignalmapper.cpp:266
#12 0x00007f740c820060 in QSignalMapper::qt_metacall (this=0x114f618, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6bdfdb80) at .moc/release-shared/moc_qsignalmapper.cpp:87
#13 0x00007f740c819833 in QMetaObject::activate (sender=0x102d3f0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xe4e0) at kernel/qobject.cpp:3294
#14 0x00007f740b3d67c2 in QAbstractButton::clicked (this=0xf08640, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#15 0x00007f740b0f416b in QAbstractButtonPrivate::emitClicked (this=0x1013ce0) at widgets/qabstractbutton.cpp:546
#16 0x00007f740b0f502b in QAbstractButtonPrivate::click (this=0x1013ce0) at widgets/qabstractbutton.cpp:539
#17 0x00007f740b0f5295 in QAbstractButton::mouseReleaseEvent (this=0x102d3f0, e=0x7fff6bdfe440) at widgets/qabstractbutton.cpp:1118
#18 0x00007f740ad985d9 in QWidget::event (this=0x102d3f0, event=0x7fff6bdfe440) at kernel/qwidget.cpp:7974
#19 0x00007f740ad42f2c in QApplicationPrivate::notify_helper (this=0xe98570, receiver=0x102d3f0, e=0x7fff6bdfe440) at kernel/qapplication.cpp:4242
#20 0x00007f740ad49da1 in QApplication::notify (this=0x7fff6bdff140, receiver=0x102d3f0, e=0x7fff6bdfe440) at kernel/qapplication.cpp:3822
#21 0x00007f740ddef7c6 in KApplication::notify (this=0x7fff6bdff140, receiver=0x102d3f0, event=0x7fff6bdfe440) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x00007f740c806abc in QCoreApplication::notifyInternal (this=0x7fff6bdff140, receiver=0x102d3f0, event=0x7fff6bdfe440) at kernel/qcoreapplication.cpp:704
#23 0x00007f740ad48f0e in QCoreApplication::sendEvent (receiver=0x102d3f0, event=0x7fff6bdfe440, alienWidget=0x102d3f0, nativeWidget=0x101f5d0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QApplicationPrivate::sendMouseEvent (receiver=0x102d3f0, event=0x7fff6bdfe440, alienWidget=0x102d3f0, nativeWidget=0x101f5d0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2956
#25 0x00007f740adc7055 in QETWidget::translateMouseEvent (this=0x101f5d0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#26 0x00007f740adc5d6a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff6bdfed60) at kernel/qapplication_x11.cpp:3501
#27 0x00007f740adf17f2 in x11EventSourceDispatch (s=0xea2870, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007f7407ac7d4e in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007f7407acb718 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007f7407acb840 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007f740c830053 in QEventDispatcherGlib::processEvents (this=0xe72ca0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#32 0x00007f740adf13de in QGuiEventDispatcherGlib::processEvents (this=0xf08640, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#33 0x00007f740c8053e2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#34 0x00007f740c8057bc in QEventLoop::exec (this=0x7fff6bdff090, flags=) at kernel/qeventloop.cpp:201
#35 0x00007f740c8094fb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#36 0x000000000040b54b in _start ()

Possible duplicates by query: bug 220574, bug 204415, bug 196127.

Reported using DrKonqi