Bug 325944

Summary: Plasma crashed after turning on "Highlight Windows"
Product: [Unmaintained] plasma4 Reporter: Mike <noeerover>
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED FIXED    
Severity: crash CC: alex.schiffer, aminvali, andrei.ilie, attilio87, benoit.leffray.kde, blindpuppeteer, cfeck, chuckgr, delfin27es, ed, Elias.vds, fabricio.valadares, genjet, gris, hein, kissmefirefrog, lst_manage, natanael.l
Priority: NOR Keywords: drkonqi
Version: 4.11.2   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi
New crash information added by DrKonqi
New crash information added by DrKonqi

Description Mike 2013-10-12 22:47:56 UTC 
Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.12.0-rc4-1.g8fdbb19-desktop x86_64
Distribution: "openSUSE 13.1 Beta 1 (x86_64)"

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

Properties of the task panel, trying to change General Settings

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff9282e6780 (LWP 1666))]

Thread 5 (Thread 0x7ff902ace700 (LWP 1744)):
#0  0x00007ff926ba60af in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007ff918d9a8cb in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7ff919098f00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007ff918d9a909 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007ff926ba20db in start_thread () from /lib64/libpthread.so.0
#4  0x00007ff92590b7cd in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7ff874d64700 (LWP 1799)):
#0  0x00007ff9259029fd in poll () from /lib64/libc.so.6
#1  0x00007ff9228165b4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ff9228166bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ff926f65d76 in QEventDispatcherGlib::processEvents (this=0x30ba280, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#4  0x00007ff926f37d0f in QEventLoop::processEvents (this=this@entry=0x7ff874d63e20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff926f38005 in QEventLoop::exec (this=this@entry=0x7ff874d63e20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff926e36fef in QThread::exec (this=this@entry=0x30b05f0) at thread/qthread.cpp:536
#7  0x00007ff926f19513 in QInotifyFileSystemWatcherEngine::run (this=0x30b05f0) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007ff926e3968f in QThreadPrivate::start (arg=0x30b05f0) at thread/qthread_unix.cpp:338
#9  0x00007ff926ba20db in start_thread () from /lib64/libpthread.so.0
#10 0x00007ff92590b7cd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7ff871b9b700 (LWP 1804)):
#0  0x00007ff9259029fd in poll () from /lib64/libc.so.6
#1  0x00007ff9228165b4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ff9228166bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ff926f65d76 in QEventDispatcherGlib::processEvents (this=0x32fb220, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#4  0x00007ff926f37d0f in QEventLoop::processEvents (this=this@entry=0x7ff871b9ae20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff926f38005 in QEventLoop::exec (this=this@entry=0x7ff871b9ae20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff926e36fef in QThread::exec (this=this@entry=0x3b79c60) at thread/qthread.cpp:536
#7  0x00007ff926f19513 in QInotifyFileSystemWatcherEngine::run (this=0x3b79c60) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007ff926e3968f in QThreadPrivate::start (arg=0x3b79c60) at thread/qthread_unix.cpp:338
#9  0x00007ff926ba20db in start_thread () from /lib64/libpthread.so.0
#10 0x00007ff92590b7cd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7ff86dbf6700 (LWP 1805)):
#0  0x00007ff926ba4294 in pthread_mutex_lock () from /lib64/libpthread.so.0
#1  0x00007ff922856241 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ff922815efe in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ff92281654b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007ff9228166bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007ff926f65d76 in QEventDispatcherGlib::processEvents (this=0x271bbe0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#6  0x00007ff926f37d0f in QEventLoop::processEvents (this=this@entry=0x7ff86dbf5e20, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ff926f38005 in QEventLoop::exec (this=this@entry=0x7ff86dbf5e20, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ff926e36fef in QThread::exec (this=this@entry=0x3baf6f0) at thread/qthread.cpp:536
#9  0x00007ff926f19513 in QInotifyFileSystemWatcherEngine::run (this=0x3baf6f0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007ff926e3968f in QThreadPrivate::start (arg=0x3baf6f0) at thread/qthread_unix.cpp:338
#11 0x00007ff926ba20db in start_thread () from /lib64/libpthread.so.0
#12 0x00007ff92590b7cd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ff9282e6780 (LWP 1666)):
[KCrash Handler]
#6  0x00007ff926f50b3e in QObject::installEventFilter (this=this@entry=0x2740fd0, obj=obj@entry=0x1c20dc0) at kernel/qobject.cpp:2024
#7  0x00007ff91b5d48cf in Plasma::ToolTipManager::registerWidget (this=this@entry=0x1c20dc0, widget=widget@entry=0x2740fd0) at /usr/src/debug/kdelibs-4.11.2/plasma/tooltipmanager.cpp:208
#8  0x00007ff91b5d4a4b in Plasma::ToolTipManager::setContent (this=0x1c20dc0, widget=widget@entry=0x2740fd0, data=...) at /usr/src/debug/kdelibs-4.11.2/plasma/tooltipmanager.cpp:235
#9  0x00007ff904893eda in ToolTipProxy::updateToolTip (this=<optimized out>) at /usr/src/debug/kde-workspace-4.11.2/plasma/desktop/applets/tasks/support/tooltip.cpp:252
#10 0x00007ff926f4cd68 in QMetaObject::activate (sender=sender@entry=0x2653770, m=m@entry=0x7ff904a99ce0 <ToolTipProxy::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x0) at kernel/qobject.cpp:3556
#11 0x00007ff904894437 in highlightWindowsChanged (this=0x2653770) at /usr/src/debug/kde-workspace-4.11.2/build/plasma/desktop/applets/tasks/tooltip.moc:209
#12 setHighlightWindows (highlight=<optimized out>, this=0x2653770) at /usr/src/debug/kde-workspace-4.11.2/plasma/desktop/applets/tasks/support/tooltip.cpp:193
#13 ToolTipProxy::qt_metacall (this=0x2653770, _c=QMetaObject::WriteProperty, _id=5, _a=0x7ffff395d510) at /usr/src/debug/kde-workspace-4.11.2/build/plasma/desktop/applets/tasks/tooltip.moc:156
#14 0x00007ff9185ce969 in QDeclarativeVMEMetaObject::metaCall (this=0x24817c0, c=QMetaObject::WriteProperty, _id=6, a=0x7ffff395d510) at qml/qdeclarativevmemetaobject.cpp:673
#15 0x00007ff918642cee in QDeclarativeCompiledBindingsPrivate::run (this=this@entry=0x25bf930, instrIndex=<optimized out>, context=0x25ab160, error=error@entry=0x25bec98, scope=0x2653770, output=0x2653770, storeFlags=...) at qml/qdeclarativecompiledbindings.cpp:1540
#16 0x00007ff9186439f7 in QDeclarativeCompiledBindingsPrivate::run (this=this@entry=0x25bf930, binding=0x25bec58, flags=...) at qml/qdeclarativecompiledbindings.cpp:428
#17 0x00007ff918643c50 in QDeclarativeCompiledBindings::qt_metacall (this=<optimized out>, c=<optimized out>, id=<optimized out>) at qml/qdeclarativecompiledbindings.cpp:380
#18 0x00007ff926f4cf62 in QMetaObject::activate (sender=0x24f3330, m=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3586
#19 0x00007ff926f4d713 in QMetaObject::activate (sender=<optimized out>, signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3643
#20 0x00007ff9185ced0e in QDeclarativeVMEMetaObject::metaCall (this=0x25b6e10, c=QMetaObject::WriteProperty, _id=<optimized out>, a=0x7ffff395dbf0) at qml/qdeclarativevmemetaobject.cpp:564
#21 0x00007ff926f42a76 in QMetaProperty::write (this=this@entry=0x7ffff395dc70, object=object@entry=0x24f3330, value=...) at kernel/qmetaobject.cpp:2364
#22 0x00007ff926f528bf in QObject::setProperty (this=0x24f3330, name=name@entry=0x7ff904894ac1 "highlightWindows", value=...) at kernel/qobject.cpp:3745
#23 0x00007ff90488ded1 in Tasks::configChanged (this=0x23d6640) at /usr/src/debug/kde-workspace-4.11.2/plasma/desktop/applets/tasks/tasks.cpp:457
#24 0x00007ff91b514ab8 in Plasma::AppletPrivate::configDialogFinished (this=0x23d6b40) at /usr/src/debug/kdelibs-4.11.2/plasma/applet.cpp:2152
#25 0x00007ff91b514f19 in Plasma::Applet::qt_static_metacall (_o=0x2740fd0, _id=29494720, _a=0x7ff925bcd648 <main_arena+40>, _c=<optimized out>) at /usr/src/debug/kdelibs-4.11.2/build/plasma/applet.moc:198
#26 0x00007ff926f4cd68 in QMetaObject::activate (sender=sender@entry=0x714eaa0, m=m@entry=0x7ff9280de380 <KDialog::staticMetaObject>, local_signal_index=local_signal_index@entry=7, argv=argv@entry=0x0) at kernel/qobject.cpp:3556
#27 0x00007ff927c40fe3 in KDialog::applyClicked (this=this@entry=0x714eaa0) at /usr/src/debug/kdelibs-4.11.2/build/kdeui/kdialog.moc:259
#28 0x00007ff927c41636 in KDialog::slotButtonClicked (this=0x714eaa0, button=8) at /usr/src/debug/kdelibs-4.11.2/kdeui/dialogs/kdialog.cpp:888
#29 0x00007ff927c42faf in KDialog::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /usr/src/debug/kdelibs-4.11.2/build/kdeui/kdialog.moc:166
#30 0x00007ff926f4cd68 in QMetaObject::activate (sender=sender@entry=0x7b505a0, m=m@entry=0x7ff927299b80 <QSignalMapper::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff395e0d0) at kernel/qobject.cpp:3556
#31 0x00007ff926f544be in QSignalMapper::mapped (this=this@entry=0x7b505a0, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:114
#32 0x00007ff926f545c6 in QSignalMapper::map (this=0x7b505a0, sender=0x7cefb60) at kernel/qsignalmapper.cpp:266
#33 0x00007ff926f4cd68 in QMetaObject::activate (sender=sender@entry=0x7cefb60, m=m@entry=0x7ff926b83e20 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffff395e240) at kernel/qobject.cpp:3556
#34 0x00007ff9267014e2 in QAbstractButton::clicked (this=this@entry=0x7cefb60, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#35 0x00007ff9264654d3 in QAbstractButtonPrivate::emitClicked (this=this@entry=0x7cf2270) at widgets/qabstractbutton.cpp:548
#36 0x00007ff926466643 in QAbstractButtonPrivate::click (this=this@entry=0x7cf2270) at widgets/qabstractbutton.cpp:541
#37 0x00007ff92646672c in QAbstractButton::mouseReleaseEvent (this=0x7cefb60, e=0x7ffff395e730) at widgets/qabstractbutton.cpp:1123
#38 0x00007ff926107dfe in QWidget::event (this=0x7cefb60, event=0x7ffff395e730) at kernel/qwidget.cpp:8376
#39 0x00007ff9260b88ac in QApplicationPrivate::notify_helper (this=this@entry=0x19e05a0, receiver=receiver@entry=0x7cefb60, e=e@entry=0x7ffff395e730) at kernel/qapplication.cpp:4562
#40 0x00007ff9260befad in QApplication::notify (this=this@entry=0x19d2130, receiver=receiver@entry=0x7cefb60, e=e@entry=0x7ffff395e730) at kernel/qapplication.cpp:4105
#41 0x00007ff927cdf18a in KApplication::notify (this=0x19d2130, receiver=0x7cefb60, event=0x7ffff395e730) at /usr/src/debug/kdelibs-4.11.2/kdeui/kernel/kapplication.cpp:311
#42 0x00007ff926f390ad in QCoreApplication::notifyInternal (this=0x19d2130, receiver=receiver@entry=0x7cefb60, event=event@entry=0x7ffff395e730) at kernel/qcoreapplication.cpp:949
#43 0x00007ff9260be763 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#44 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x7cefb60, event=event@entry=0x7ffff395e730, alienWidget=alienWidget@entry=0x7cefb60, nativeWidget=nativeWidget@entry=0x714eaa0, buttonDown=buttonDown@entry=0x7ff926b96278 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3173
#45 0x00007ff92612ff7b in QETWidget::translateMouseEvent (this=this@entry=0x714eaa0, event=event@entry=0x7ffff395eaa0) at kernel/qapplication_x11.cpp:4528
#46 0x00007ff92612e9ec in QApplication::x11ProcessEvent (this=0x19d2130, event=event@entry=0x7ffff395eaa0) at kernel/qapplication_x11.cpp:3651
#47 0x00007ff926155882 in x11EventSourceDispatch (s=0x19e17e0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#48 0x00007ff9228162c6 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#49 0x00007ff922816618 in ?? () from /usr/lib64/libglib-2.0.so.0
#50 0x00007ff9228166bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#51 0x00007ff926f65d55 in QEventDispatcherGlib::processEvents (this=0x19ad4e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#52 0x00007ff926155936 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#53 0x00007ff926f37d0f in QEventLoop::processEvents (this=this@entry=0x7ffff395ee80, flags=...) at kernel/qeventloop.cpp:149
#54 0x00007ff926f38005 in QEventLoop::exec (this=this@entry=0x7ffff395ee80, flags=...) at kernel/qeventloop.cpp:204
#55 0x00007ff926f3d13b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#56 0x00007ff9260b706c in QApplication::exec () at kernel/qapplication.cpp:3823
#57 0x00007ff911ffa88c in kdemain (argc=1, argv=0x18d2f60) at /usr/src/debug/kde-workspace-4.11.2/plasma/desktop/shell/main.cpp:126
#58 0x000000000040879e in _start ()

Possible duplicates by query: bug 314797, bug 308347.

Reported using DrKonqi
Comment 1 Christoph Feck 2013-10-13 08:25:10 UTC 
*** Bug 325461 has been marked as a duplicate of this bug. ***
Comment 2 Christoph Feck 2013-10-22 20:56:50 UTC 
*** Bug 326461 has been marked as a duplicate of this bug. ***
Comment 3 AV 2013-10-30 16:08:48 UTC 
Created attachment 83229 [details]
New crash information added by DrKonqi

plasma-desktop (4.11.2) on KDE Platform 4.11.2 using Qt 4.8.4

- What I was doing when the application crashed:

Plasma crashed after choosing "Highlight windows" in Task Manager setings windows.

-- Backtrace (Reduced):
#6  0x00007fc9efbc37ee in QObject::installEventFilter (this=this@entry=0x5806fa0, obj=obj@entry=0x15d4960) at kernel/qobject.cpp:2015
#7  0x00007fc9f2bc21ef in Plasma::ToolTipManager::registerWidget (this=this@entry=0x15d4960, widget=widget@entry=0x5806fa0) at ../../plasma/tooltipmanager.cpp:208
#8  0x00007fc9f2bc236b in Plasma::ToolTipManager::setContent (this=0x15d4960, widget=widget@entry=0x5806fa0, data=...) at ../../plasma/tooltipmanager.cpp:235
#9  0x00007fc9d5ac12fa in ToolTipProxy::updateToolTip (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/support/tooltip.cpp:252
[...]
#11 0x00007fc9d5ac1857 in highlightWindowsChanged (this=0x1dac140) at ./tooltip.moc:210
Comment 4 Christoph Feck 2013-11-16 13:52:15 UTC 
*** Bug 327682 has been marked as a duplicate of this bug. ***
Comment 5 Jekyll Wu 2013-11-16 13:54:55 UTC 
*** Bug 323529 has been marked as a duplicate of this bug. ***
Comment 6 Jekyll Wu 2013-11-22 13:56:46 UTC 
*** Bug 327939 has been marked as a duplicate of this bug. ***
Comment 7 Christoph Feck 2013-11-29 20:33:30 UTC 
Bug 328223 comment #2 has steps to reproduce.
Comment 8 Christoph Feck 2013-11-29 20:33:56 UTC 
*** Bug 328223 has been marked as a duplicate of this bug. ***
Comment 9 Christoph Feck 2013-12-03 20:34:56 UTC 
*** Bug 328392 has been marked as a duplicate of this bug. ***
Comment 10 Benoit Leffray 2014-01-17 13:59:52 UTC 
Created attachment 84691 [details]
New crash information added by DrKonqi

plasma-desktop (4.11.5) on KDE Platform 4.12.0 using Qt 4.8.4

- What I was doing when the application crashed:

I was playing around with the panel configurations/options. I clicked on "Windows highlight" and got this crash immediately.

-- Backtrace (Reduced):
#6  0x00007ff3bf38c7ee in QObject::installEventFilter (this=this@entry=0xb9090a0, obj=obj@entry=0x11b9250) at kernel/qobject.cpp:2015
#7  0x00007ff3c238a21f in Plasma::ToolTipManager::registerWidget (this=this@entry=0x11b9250, widget=widget@entry=0xb9090a0) at ../../plasma/tooltipmanager.cpp:208
#8  0x00007ff3c238a39b in Plasma::ToolTipManager::setContent (this=0x11b9250, widget=widget@entry=0xb9090a0, data=...) at ../../plasma/tooltipmanager.cpp:235
#9  0x00007ff3a57ef33a in ToolTipProxy::updateToolTip (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/support/tooltip.cpp:252
[...]
#11 0x00007ff3a57ef897 in highlightWindowsChanged (this=0x1893620) at ./tooltip.moc:210
Comment 11 Christoph Feck 2014-02-01 22:26:39 UTC 
*** Bug 330640 has been marked as a duplicate of this bug. ***
Comment 12 Jekyll Wu 2014-03-01 09:41:02 UTC 
*** Bug 331639 has been marked as a duplicate of this bug. ***
Comment 13 Jekyll Wu 2014-03-03 01:37:00 UTC 
*** Bug 331687 has been marked as a duplicate of this bug. ***
Comment 14 Jekyll Wu 2014-04-23 01:00:19 UTC 
*** Bug 333688 has been marked as a duplicate of this bug. ***
Comment 15 Christoph Feck 2014-05-22 11:03:04 UTC 
*** Bug 335174 has been marked as a duplicate of this bug. ***
Comment 16 Attilio 2014-06-01 14:11:50 UTC 
Created attachment 86941 [details]
New crash information added by DrKonqi

plasma-desktop (4.11.9) on KDE Platform 4.11.5 using Qt 4.8.5

Plasma always goes in crash when I go on task manager settings and I check "Highlight Windows"

-- Backtrace (Reduced):
#6  0x00007f944e202e82 in QObject::connect (sender=sender@entry=0x3f19280, signal=signal@entry=0x7f94429457ce "2destroyed(QObject*)", receiver=receiver@entry=0x1db1d00, method=method@entry=0x7f9442957867 "1onWidgetDestroyed(QObject*)", type=type@entry=Qt::AutoConnection) at kernel/qobject.cpp:2563
#7  0x00007f944288691b in Plasma::ToolTipManager::registerWidget (this=this@entry=0x1db1d00, widget=widget@entry=0x3f19280) at /usr/src/debug/kdelibs-4.11.5/plasma/tooltipmanager.cpp:209
#8  0x00007f9442886a7b in Plasma::ToolTipManager::setContent (this=0x1db1d00, widget=widget@entry=0x3f19280, data=...) at /usr/src/debug/kdelibs-4.11.5/plasma/tooltipmanager.cpp:235
#9  0x00007f9430f18f1a in ToolTipProxy::updateToolTip (this=<optimized out>) at /usr/src/debug/kde-workspace-4.11.9/plasma/desktop/applets/tasks/support/tooltip.cpp:252
[...]
#11 0x00007f9430f19477 in highlightWindowsChanged (this=0x21f9d10) at /usr/src/debug/kde-workspace-4.11.9/build/plasma/desktop/applets/tasks/tooltip.moc:209
Comment 17 Jekyll Wu 2014-06-09 00:35:05 UTC 
*** Bug 335982 has been marked as a duplicate of this bug. ***
Comment 18 Christoph Feck 2014-06-12 20:24:04 UTC 
*** Bug 336116 has been marked as a duplicate of this bug. ***
Comment 19 Jekyll Wu 2014-06-18 00:33:36 UTC 
*** Bug 336366 has been marked as a duplicate of this bug. ***
Comment 20 Marco Martin 2014-06-19 17:33:44 UTC 
Git commit 9e59379e815f7823e642ee2da60e7323386ee784 by Marco Martin.
Committed on 19/06/2014 at 17:23.
Pushed by mart into branch 'KDE/4.11'.

use a weakpointer, task items can die any moment

M  +3    -3    plasma/desktop/applets/tasks/support/tooltip.cpp
M  +1    -1    plasma/desktop/applets/tasks/support/tooltip.h

http://commits.kde.org/kde-workspace/9e59379e815f7823e642ee2da60e7323386ee784
Comment 21 Christoph Feck 2014-07-08 22:03:04 UTC 
*** Bug 337240 has been marked as a duplicate of this bug. ***
Comment 22 Christoph Feck 2015-05-03 10:31:48 UTC 
Comment #20 fixed it.