Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Placed panel on top edge of the screen.
Set panel alighnment to center.
resized to take up about 20% of horizontal space.
placed some folders on the panel as "Folder view".
Clicked on one of the folders.
Got the content that looked like "List view"
Started right clicking to see if I can change it to some other view
and the crash happend
Unable to reproduce
Thank you.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7897700 (LWP 4945))]

Thread 2 (Thread 0xac76cb70 (LWP 4947)):
#0  0x0060b422 in __kernel_vsyscall ()
#1  0x00572e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0534f78d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00a56e67 in QWaitConditionPrivate::wait (this=0x87ae470, mutex=0x87ae46c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x87ae470, mutex=0x87ae46c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x010f6922 in QHostInfoAgent::run (this=0x87ae460) at kernel/qhostinfo.cpp:260
#6  0x00a55e32 in QThreadPrivate::start (arg=0x87ae460) at thread/qthread_unix.cpp:188
#7  0x0056e80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x053427ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7897700 (LWP 4945)):
[KCrash Handler]
#6  0x0070bada in KDirModel::dirLister (this=0x97b2598) at ../../kio/kio/kdirmodel.cpp:354
#7  0x01377abe in KFilePreviewGenerator::qt_metacall (this=0x91e7920, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfd83b9c) at ./kfilepreviewgenerator.moc:89
#8  0x00b5c263 in QMetaObject::activate (sender=0x8482f30, from_signal_index=7, to_signal_index=7, argv=0x0) at kernel/qobject.cpp:3113
#9  0x00b5cec2 in QMetaObject::activate (sender=0x8482f30, m=0x5f53408, local_signal_index=3, argv=0x0) at kernel/qobject.cpp:3187
#10 0x05d6a0e7 in QClipboard::dataChanged (this=0x8482f30) at .moc/release-shared/moc_qclipboard.cpp:108
#11 0x056f2906 in QClipboard::emitChanged (this=0x8482f30, mode=QClipboard::Clipboard) at kernel/qclipboard.cpp:586
#12 0x05760145 in QClipboard::setMimeData (this=0x8482f30, src=0x9222f60, mode=QClipboard::Clipboard) at kernel/qclipboard_x11.cpp:1364
#13 0x019be43d in FolderView::copy (this=0x879a080) at ../../../../../apps/plasma/applets/folderview/folderview.cpp:1630
#14 0x019ccbab in FolderView::qt_metacall (this=0x879a080, _c=QMetaObject::InvokeMetaMethod, _id=63, _a=0xbfd83e58) at ./folderview.moc:177
#15 0x00b5c263 in QMetaObject::activate (sender=0x84ef160, from_signal_index=5, to_signal_index=6, argv=0xbfd83e58) at kernel/qobject.cpp:3113
#16 0x00b5c6d8 in QMetaObject::activate (sender=0x84ef160, m=0x5f43e48, from_local_signal_index=1, to_local_signal_index=2, argv=0xbfd83e58) at kernel/qobject.cpp:3207
#17 0x056db9b1 in QAction::triggered (this=0x84ef160, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#18 0x056dcf32 in QAction::activate (this=0x84ef160, event=QAction::Trigger) at kernel/qaction.cpp:1160
#19 0x05b2a9cc in QMenuPrivate::activateCausedStack (this=0x9269a40, causedStack=..., action=0x84ef160, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:967
#20 0x05b3103b in QMenuPrivate::activateAction (this=0x9269a40, action=0x84ef160, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1060
#21 0x05b31bf7 in QMenu::mouseReleaseEvent (this=0x8ee4ec0, e=0xbfd84500) at widgets/qmenu.cpp:2254
#22 0x05737012 in QWidget::event (this=0x8ee4ec0, event=0xbfd84500) at kernel/qwidget.cpp:7549
#23 0x05b33e34 in QMenu::event (this=0x8ee4ec0, e=0xbfd84500) at widgets/qmenu.cpp:2353
#24 0x056e1f54 in QApplicationPrivate::notify_helper (this=0x8475498, receiver=0x8ee4ec0, e=0xbfd84500) at kernel/qapplication.cpp:4056
#25 0x056ea033 in QApplication::notify (this=0x844e648, receiver=0x8ee4ec0, e=0xbfd84500) at kernel/qapplication.cpp:3758
#26 0x00ebc1aa in KApplication::notify (this=0x844e648, receiver=0x8ee4ec0, event=0xbfd84500) at ../../kdeui/kernel/kapplication.cpp:302
#27 0x00b466cb in QCoreApplication::notifyInternal (this=0x844e648, receiver=0x8ee4ec0, event=0xbfd84500) at kernel/qcoreapplication.cpp:610
#28 0x056e8f6e in QCoreApplication::sendSpontaneousEvent (receiver=0x8ee4ec0, event=0xbfd84500, alienWidget=0x0, nativeWidget=0x8ee4ec0, buttonDown=0x5f5caa0, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#29 QApplicationPrivate::sendMouseEvent (receiver=0x8ee4ec0, event=0xbfd84500, alienWidget=0x0, nativeWidget=0x8ee4ec0, buttonDown=0x5f5caa0, lastMouseReceiver=...) at kernel/qapplication.cpp:2924
#30 0x05757c87 in QETWidget::translateMouseEvent (this=0x8ee4ec0, event=0xbfd85b4c) at kernel/qapplication_x11.cpp:4343
#31 0x05756c4b in QApplication::x11ProcessEvent (this=0x844e648, event=0xbfd85b4c) at kernel/qapplication_x11.cpp:3428
#32 0x05783502 in x11EventSourceDispatch (s=0x84780a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x0016de78 in g_main_dispatch (context=0x8477490) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#34 IA__g_main_context_dispatch (context=0x8477490) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#35 0x00171720 in g_main_context_iterate (context=0x8477490, block=<value optimized out>, dispatch=1, self=0x8474fa0) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#36 0x00171853 in IA__g_main_context_iteration (context=0x8477490, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#37 0x00b7102c in QEventDispatcherGlib::processEvents (this=0x8475288, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#38 0x05782be5 in QGuiEventDispatcherGlib::processEvents (this=0x8475288, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#39 0x00b44c79 in QEventLoop::processEvents (this=0xbfd85e40, flags=) at kernel/qeventloop.cpp:149
#40 0x00b450ca in QEventLoop::exec (this=0xbfd85e40, flags=...) at kernel/qeventloop.cpp:201
#41 0x05b33c9e in QMenu::exec (this=0x8ee4ec0, p=..., action=0x0) at widgets/qmenu.cpp:1993
#42 0x019cb621 in FolderView::showContextMenu (this=0x879a080, widget=0x8b3d6e0, pos=..., indexes=...) at ../../../../../apps/plasma/applets/folderview/folderview.cpp:1871
#43 0x019cbbcc in FolderView::contextMenuRequest (this=0x879a080, widget=0x8b3d6e0, screenPos=...) at ../../../../../apps/plasma/applets/folderview/folderview.cpp:1808
#44 0x019ccdf3 in FolderView::qt_metacall (this=0x879a080, _c=QMetaObject::InvokeMetaMethod, _id=87, _a=0xbfd86144) at ./folderview.moc:201
#45 0x00b5c263 in QMetaObject::activate (sender=0x86d0290, from_signal_index=6, to_signal_index=6, argv=0xbfd86144) at kernel/qobject.cpp:3113
#46 0x00b5cec2 in QMetaObject::activate (sender=0x86d0290, m=0x19fee34, local_signal_index=1, argv=0xbfd86144) at kernel/qobject.cpp:3187
#47 0x019d48d9 in AbstractItemView::contextMenuRequest (this=0x86d0290, _t1=0x8b3d6e0, _t2=...) at ./abstractitemview.moc:154
#48 0x019dec62 in IconView::contextMenuEvent (this=0x86d0290, event=0xbfd8674c) at ../../../../../apps/plasma/applets/folderview/iconview.cpp:1756
#49 0x05ced890 in QGraphicsItem::sceneEvent (this=0x86d0298, event=0xbfd8674c) at graphicsview/qgraphicsitem.cpp:5000
#50 0x05d3a9ef in QGraphicsWidget::sceneEvent (this=0x86d0290, event=0xbfd8674c) at graphicsview/qgraphicswidget.cpp:1110
#51 0x05d0fe14 in QGraphicsScenePrivate::sendEvent (this=0x851da68, item=0x86d0298, event=0xbfd8674c) at graphicsview/qgraphicsscene.cpp:1159
#52 0x05d1cfc8 in QGraphicsScene::contextMenuEvent (this=0x8513368, contextMenuEvent=0xbfd8674c) at graphicsview/qgraphicsscene.cpp:3956
#53 0x05d1df47 in QGraphicsScene::event (this=0x8513368, event=0xbfd8674c) at graphicsview/qgraphicsscene.cpp:3766
#54 0x056e1f54 in QApplicationPrivate::notify_helper (this=0x8475498, receiver=0x8513368, e=0xbfd8674c) at kernel/qapplication.cpp:4056
#55 0x056e967c in QApplication::notify (this=0x844e648, receiver=0x8513368, e=0xbfd8674c) at kernel/qapplication.cpp:3603
#56 0x00ebc1aa in KApplication::notify (this=0x844e648, receiver=0x8513368, event=0xbfd8674c) at ../../kdeui/kernel/kapplication.cpp:302
#57 0x00b466cb in QCoreApplication::notifyInternal (this=0x844e648, receiver=0x8513368, event=0xbfd8674c) at kernel/qcoreapplication.cpp:610
#58 0x05d2a660 in QCoreApplication::sendEvent (this=0x8b2bd68, event=0xbfd86d48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#59 QGraphicsView::contextMenuEvent (this=0x8b2bd68, event=0xbfd86d48) at graphicsview/qgraphicsview.cpp:2945
#60 0x0573769f in QWidget::event (this=0x8b2bd68, event=0xbfd86d48) at kernel/qwidget.cpp:7708
#61 0x05ae6633 in QFrame::event (this=0x8b2bd68, e=0xbfd86d48) at widgets/qframe.cpp:559
#62 0x05b85494 in QAbstractScrollArea::viewportEvent (this=0x97b2598, e=0x23b) at widgets/qabstractscrollarea.cpp:962
#63 0x05d2f51f in QGraphicsView::viewportEvent (this=0x8b2bd68, event=0xbfd86d48) at graphicsview/qgraphicsview.cpp:2919
#64 0x05b87a95 in QAbstractScrollAreaPrivate::viewportEvent (this=0x8b3d4d0, o=0x8b3d6e0, e=0xbfd86d48) at widgets/qabstractscrollarea_p.h:100
#65 QAbstractScrollAreaFilter::eventFilter (this=0x8b3d4d0, o=0x8b3d6e0, e=0xbfd86d48) at widgets/qabstractscrollarea_p.h:111
#66 0x00b4583a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8475498, receiver=0x8b3d6e0, event=0xbfd86d48) at kernel/qcoreapplication.cpp:726
#67 0x056e1f2c in QApplicationPrivate::notify_helper (this=0x8475498, receiver=0x8b3d6e0, e=0xbfd86d48) at kernel/qapplication.cpp:4052
#68 0x056e9ae3 in QApplication::notify (this=0x844e648, receiver=0x8b3d6e0, e=0xbfd86d48) at kernel/qapplication.cpp:3845
#69 0x00ebc1aa in KApplication::notify (this=0x844e648, receiver=0x8b3d6e0, event=0xbfd86d48) at ../../kdeui/kernel/kapplication.cpp:302
#70 0x00b466cb in QCoreApplication::notifyInternal (this=0x844e648, receiver=0x8b3d6e0, event=0xbfd86d48) at kernel/qcoreapplication.cpp:610
#71 0x0575d66e in QCoreApplication::sendSpontaneousEvent (receiver=0x8b3d6e0, event=0xbfd83a01) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#72 0x05757e64 in QETWidget::translateMouseEvent (this=0x8b3d6e0, event=0xbfd8836c) at kernel/qapplication_x11.cpp:4415
#73 0x05756c4b in QApplication::x11ProcessEvent (this=0x844e648, event=0xbfd8836c) at kernel/qapplication_x11.cpp:3428
#74 0x05783502 in x11EventSourceDispatch (s=0x84780a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#75 0x0016de78 in g_main_dispatch (context=0x8477490) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#76 IA__g_main_context_dispatch (context=0x8477490) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#77 0x00171720 in g_main_context_iterate (context=0x8477490, block=<value optimized out>, dispatch=1, self=0x8474fa0) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#78 0x00171853 in IA__g_main_context_iteration (context=0x8477490, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#79 0x00b7102c in QEventDispatcherGlib::processEvents (this=0x8475288, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#80 0x05782be5 in QGuiEventDispatcherGlib::processEvents (this=0x8475288, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#81 0x00b44c79 in QEventLoop::processEvents (this=0xbfd88664, flags=) at kernel/qeventloop.cpp:149
#82 0x00b450ca in QEventLoop::exec (this=0xbfd88664, flags=...) at kernel/qeventloop.cpp:201
#83 0x00b4753f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#84 0x056e1dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#85 0x0122580d in kdemain (argc=1, argv=0x83fd9e0) at ../../../../plasma/shells/desktop/main.cpp:50
#86 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x841d2b0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#87 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#88 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#89 0x0804fbaf in main (argc=2, argv=0xbfd88ec4, envp=0xbfd88ed0) at ../../kinit/kinit.cpp:1793

Reported using DrKonqi