Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.95 (KDE 4.3.95 (KDE 4.4 RC2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-17-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
I added an activity and then remove it. Plasma crashed immediately. This happens every time.

The crash can be reproduced every time.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f0eb7f7e7f0 (LWP 5633))]

Thread 2 (Thread 0x7f0e8b6ad910 (LWP 5638)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f0eb646767b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2dda5b8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2dda5b8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f0eb4c233ec in QHostInfoAgent::run (this=0x2dda5a0) at kernel/qhostinfo.cpp:252
#4  0x00007f0eb64666c5 in QThreadPrivate::start (arg=0x2dda5a0) at thread/qthread_unix.cpp:244
#5  0x00007f0eb61d7a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f0eb4fa280d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0eb7f7e7f0 (LWP 5633)):
[KCrash Handler]
#5  QGraphicsSceneIndexPrivate::recursive_items_helper (this=<value optimized out>, item=0x3789b80, exposeRect=..., intersector=0x2356220, items=0x7fff7496b4c0, viewTransform=..., 
    mode=Qt::IntersectsItemShape, parentOpacity=0) at graphicsview/qgraphicssceneindex.cpp:278
#6  0x00007f0eb5d2e4bb in QGraphicsSceneIndexPrivate::items_helper (this=<value optimized out>, rect=<value optimized out>, mode=Qt::IntersectsItemShape, order=<value optimized out>, 
    deviceTransform=...) at graphicsview/qgraphicssceneindex_p.h:159
#7  QGraphicsSceneIndex::items (this=<value optimized out>, rect=<value optimized out>, mode=Qt::IntersectsItemShape, order=<value optimized out>, deviceTransform=...)
    at graphicsview/qgraphicssceneindex.cpp:457
#8  0x00007f0eb5d05075 in QGraphicsScene::items (this=<value optimized out>, rect=..., mode=1956033728, order=1956033200, deviceTransform=...) at graphicsview/qgraphicsscene.cpp:2024
#9  0x00007f0eb5d0c549 in QGraphicsScenePrivate::itemsAtPosition (this=<value optimized out>, screenPos=<value optimized out>, scenePos=<value optimized out>, widget=<value optimized out>)
    at graphicsview/qgraphicsscene.cpp:1023
#10 0x00007f0eb5d0ca20 in QGraphicsScenePrivate::dispatchHoverEvent (this=0x23545c0, hoverEvent=<value optimized out>) at graphicsview/qgraphicsscene.cpp:3768
#11 0x00007f0eb5d0cc94 in QGraphicsScene::mouseMoveEvent (this=<value optimized out>, mouseEvent=0x7fff7496bb60) at graphicsview/qgraphicsscene.cpp:3976
#12 0x00007f0eb5d1eb9b in QGraphicsScene::event (this=0x23c46e0, event=0x7fff7496bb60) at graphicsview/qgraphicsscene.cpp:3341
#13 0x00007f0eb56ffe8c in QApplicationPrivate::notify_helper (this=0x2125200, receiver=0x23c46e0, e=0x7fff7496bb60) at kernel/qapplication.cpp:4242
#14 0x00007f0eb570648d in QApplication::notify (this=0x210eec0, receiver=0x23c46e0, e=0x7fff7496bb60) at kernel/qapplication.cpp:4125
#15 0x00007f0eb6a9f1e6 in KApplication::notify (this=0x210eec0, receiver=0x23c46e0, event=0x7fff7496bb60) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x00007f0eb655a04c in QCoreApplication::notifyInternal (this=0x210eec0, receiver=0x23c46e0, event=0x7fff7496bb60) at kernel/qcoreapplication.cpp:704
#17 0x00007f0eb5d394b7 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0x30e6c00, event=0x7fff7496c620) at graphicsview/qgraphicsview.cpp:617
#18 0x00007f0eb5d396ae in QGraphicsView::mouseMoveEvent (this=0x315b750, event=0x7fff7496c620) at graphicsview/qgraphicsview.cpp:3157
#19 0x00007f0eb57551f7 in QWidget::event (this=0x315b750, event=0x7fff7496c620) at kernel/qwidget.cpp:7959
#20 0x00007f0eb5af8e16 in QFrame::event (this=0x315b750, e=0x7fff7496c620) at widgets/qframe.cpp:557
#21 0x00007f0eb5d35a0b in QGraphicsView::viewportEvent (this=0x315b750, event=0x7fff7496c620) at graphicsview/qgraphicsview.cpp:2747
#22 0x00007f0eb6559467 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x31408e0, event=0x7fff7496c620) at kernel/qcoreapplication.cpp:819
#23 0x00007f0eb56ffe5c in QApplicationPrivate::notify_helper (this=0x2125200, receiver=0x31408e0, e=0x7fff7496c620) at kernel/qapplication.cpp:4238
#24 0x00007f0eb5706cf1 in QApplication::notify (this=0x210eec0, receiver=0x31408e0, e=0x7fff7496c620) at kernel/qapplication.cpp:3822
#25 0x00007f0eb6a9f1e6 in KApplication::notify (this=0x210eec0, receiver=0x31408e0, event=0x7fff7496c620) at ../../kdeui/kernel/kapplication.cpp:302
#26 0x00007f0eb655a04c in QCoreApplication::notifyInternal (this=0x210eec0, receiver=0x31408e0, event=0x7fff7496c620) at kernel/qcoreapplication.cpp:704
#27 0x00007f0eb5705e66 in QCoreApplication::sendEvent (receiver=0x31408e0, event=0x7fff7496c620, alienWidget=0x31408e0, nativeWidget=0x315b750, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QApplicationPrivate::sendMouseEvent (receiver=0x31408e0, event=0x7fff7496c620, alienWidget=0x31408e0, nativeWidget=0x315b750, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2956
#29 0x00007f0eb5784055 in QETWidget::translateMouseEvent (this=0x315b750, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#30 0x00007f0eb5782d6a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff7496cf40) at kernel/qapplication_x11.cpp:3501
#31 0x00007f0eb57ae712 in x11EventSourceDispatch (s=0x2128770, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f0eb1988bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x00007f0eb198c598 in ?? () from /lib/libglib-2.0.so.0
#34 0x00007f0eb198c6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x00007f0eb6583623 in QEventDispatcherGlib::processEvents (this=0x20a33f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#36 0x00007f0eb57ae2fe in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#37 0x00007f0eb6558972 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#38 0x00007f0eb6558d4c in QEventLoop::exec (this=0x7fff7496d270, flags=) at kernel/qeventloop.cpp:201
#39 0x00007f0eb655ca8b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#40 0x00007f0eaa234eb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#41 0x0000000000406fb8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4a1 "0") at ../../kinit/kinit.cpp:706
#42 0x0000000000407c70 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#43 0x0000000000408121 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1391
#44 0x0000000000408dea in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1830
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 210146.

Possible duplicates by query: bug 224328, bug 224249, bug 224166, bug 223580, bug 222905.

Reported using DrKonqi