'[Bug 200435] New: Plasma Desktop crash after opening grouped tasks'

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List:       kde-bugs-dist
Subject:    [Bug 200435] New: Plasma Desktop crash after opening grouped tasks
From:       Octavian <octavian.voicu () gmail ! com>
Date:       2009-07-16 11:59:12
Message-ID: bug-200435-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=200435

           Summary: Plasma Desktop crash after opening grouped tasks menu
                    on the taskbar
           Product: plasma
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: plasma-bugs@kde.org
        ReportedBy: octavian.voicu@gmail.com


Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I had two Firefox windows grouped in the taskbar. After clicking the Firefox
button, I tried to switch to one of the windows but Plasma Desktop crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3860)]

Thread 2 (Thread 0x7f9f9d125950 (LWP 3867)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f9fbd6d1939 in QWaitCondition::wait (this=0xf47c40, mutex=0xf47c38,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f9fbc54d4cc in QHostInfoAgent::run (this=0xf47c20) at
kernel/qhostinfo.cpp:260
#3  0x00007f9fbd6d0952 in QThreadPrivate::start (arg=0xf47c20) at
thread/qthread_unix.cpp:189
#4  0x00007f9fb95513ba in start_thread (arg=<value optimized out>) at
pthread_create.c:297
#5  0x00007f9fba135fcd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9fbdc96750 (LWP 3860)):
[KCrash Handler]
#5  0x00007f9fbb331a86 in QGraphicsScenePrivate::filterEvent (this=0x783ec0,
item=0x2350250, event=0x7fffc5cce910) at graphicsview/qgraphicsscene.cpp:1130
#6  0x00007f9fbb331b29 in QGraphicsScenePrivate::sendEvent (this=0x22c15d0,
item=0x2350250, event=0x7fffc5cce910) at graphicsview/qgraphicsscene.cpp:1148
#7  0x00007f9fbb332fbd in QGraphicsScenePrivate::sendHoverEvent (this=0x783ec0,
type=<value optimized out>, item=0x2350250, hoverEvent=0x7fffc5cceac0) at
graphicsview/qgraphicsscene.cpp:1197
#8  0x00007f9fbb33a56d in QGraphicsScenePrivate::dispatchHoverEvent
(this=0x783ec0, hoverEvent=0x7fffc5cceac0) at
graphicsview/qgraphicsscene.cpp:4119
#9  0x00007f9fbb33a902 in QGraphicsScene::mouseMoveEvent (this=<value optimized
out>, mouseEvent=0x7fffc5ccf0c0) at graphicsview/qgraphicsscene.cpp:4267
#10 0x00007f9fbb33ab70 in QGraphicsScene::event (this=0x7782c0,
event=0x7fffc5ccf0c0) at graphicsview/qgraphicsscene.cpp:3655
#11 0x00007f9fbad4278d in QApplicationPrivate::notify_helper (this=0x6e0a80,
receiver=0x7782c0, e=0x7fffc5ccf0c0) at kernel/qapplication.cpp:4084
#12 0x00007f9fbad4a97a in QApplication::notify (this=0x6a1c10,
receiver=0x7782c0, e=0x7fffc5ccf0c0) at kernel/qapplication.cpp:4049
#13 0x00007f9fbbe8563b in KApplication::notify (this=0x6a1c10,
receiver=0x7782c0, event=0x7fffc5ccf0c0) at
/build/buildd/kde4libs-4.2.96/kdeui/kernel/kapplication.cpp:302
#14 0x00007f9fbd7b975c in QCoreApplication::notifyInternal (this=0x6a1c10,
receiver=0x7782c0, event=0x7fffc5ccf0c0) at kernel/qcoreapplication.cpp:602
#15 0x00007f9fbb348960 in QGraphicsViewPrivate::mouseMoveEventHandler
(this=0x24f45f0, event=0x7fffc5ccf9e0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#16 0x00007f9fbb34b0fe in QGraphicsView::mouseMoveEvent (this=0x22d78f0,
event=0x7fffc5ccf9e0) at graphicsview/qgraphicsview.cpp:3335
#17 0x00007f9fbad93768 in QWidget::event (this=0x22d78f0, event=0x7fffc5ccf9e0)
at kernel/qwidget.cpp:7501
#18 0x00007f9fbb12d40b in QFrame::event (this=0x22d78f0, e=0x7fffc5ccf9e0) at
widgets/qframe.cpp:559
#19 0x00007f9fbb349d1b in QGraphicsView::viewportEvent (this=0x22d78f0,
event=0x7fffc5ccf9e0) at graphicsview/qgraphicsview.cpp:2933
#20 0x00007f9fbd7b8a68 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized
out>, receiver=0x244fb20, event=0x7fffc5ccf9e0) at
kernel/qcoreapplication.cpp:718
#21 0x00007f9fbad4275c in QApplicationPrivate::notify_helper (this=0x6e0a80,
receiver=0x244fb20, e=0x7fffc5ccf9e0) at kernel/qapplication.cpp:4080
#22 0x00007f9fbad4b0da in QApplication::notify (this=<value optimized out>,
receiver=0x244fb20, e=0x7fffc5ccf9e0) at kernel/qapplication.cpp:3786
#23 0x00007f9fbbe8563b in KApplication::notify (this=0x6a1c10,
receiver=0x244fb20, event=0x7fffc5ccf9e0) at
/build/buildd/kde4libs-4.2.96/kdeui/kernel/kapplication.cpp:302
#24 0x00007f9fbd7b975c in QCoreApplication::notifyInternal (this=0x6a1c10,
receiver=0x244fb20, event=0x7fffc5ccf9e0) at kernel/qcoreapplication.cpp:602
#25 0x00007f9fbad4a328 in QApplicationPrivate::sendMouseEvent
(receiver=0x244fb20, event=0x7fffc5ccf9e0, alienWidget=0x244fb20,
nativeWidget=0x246f950, buttonDown=<value optimized out>, 
    lastMouseReceiver=@0x7f9fbb7a6eb0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#26 0x00007f9fbadb3e19 in QETWidget::translateMouseEvent (this=0x246f950,
event=<value optimized out>) at kernel/qapplication_x11.cpp:4425
#27 0x00007f9fbadb2a88 in QApplication::x11ProcessEvent (this=0x6a1c10,
event=0x7fffc5cd0520) at kernel/qapplication_x11.cpp:3543
#28 0x00007f9fbaddb464 in x11EventSourceDispatch (s=0x6e4000, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f9fb97a020a in IA__g_main_context_dispatch (context=0x6e3120) at
/build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#30 0x00007f9fb97a38e0 in g_main_context_iterate (context=0x6e3120, block=1,
dispatch=1, self=<value optimized out>) at
/build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#31 0x00007f9fb97a3a7c in IA__g_main_context_iteration (context=0x6e3120,
may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#32 0x00007f9fbd7e2e6f in QEventDispatcherGlib::processEvents (this=0x6e05b0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#33 0x00007f9fbaddabef in QGuiEventDispatcherGlib::processEvents
(this=0x22c15d0, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007f9fbd7b8002 in QEventLoop::processEvents (this=<value optimized
out>, flags={i = -976418800}) at kernel/qeventloop.cpp:149
#35 0x00007f9fbd7b83cd in QEventLoop::exec (this=0x7fffc5cd0850, flags={i =
-976418720}) at kernel/qeventloop.cpp:200
#36 0x00007f9fbd7ba694 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:880
#37 0x00007f9fb168c6bb in kdemain (argc=1, argv=0x6549b0) at
/build/buildd/kdebase-workspace-4.2.96/plasma/shells/desktop/main.cpp:50
#38 0x0000000000407215 in launch (argc=1, _name=0x694b58
"/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0,
envs=0x694b78 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3c9 "0") at
/build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:676
#39 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized
out>) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1168
#40 0x0000000000407fe5 in handle_requests (waitForPid=0) at
/build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1361
#41 0x0000000000408b26 in main (argc=2, argv=0x7fffc5cd16f8,
envp=0x7fffc5cd1710) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1788

This bug may be a duplicate of or related to bug 198631

Reported using DrKonqi

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