Bug 295841

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.9-1.4-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
shuting down after that in next reboot the transparency is lost in panel of KDE

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell de escritorio Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f08f826f760 (LWP 3320))]

Thread 2 (Thread 0x7f08d3ffb700 (LWP 3463)):
#0  0x00007f08f58da523 in poll () from /lib64/libc.so.6
#1  0x00007f08f26cfa98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f08f26cff59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f08f6eec586 in QEventDispatcherGlib::processEvents (this=0x7f08cc0008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f08f6ec0a32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f08f6ec0c2f in QEventLoop::exec (this=0x7f08d3ffadf0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f08f6dd85df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f08f6ea3aff in QInotifyFileSystemWatcherEngine::run (this=0x18328d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f08f6ddb025 in QThreadPrivate::start (arg=0x18328d0) at thread/qthread_unix.cpp:331
#9  0x00007f08f6b4af05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f08f58e363d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f08f826f760 (LWP 3320)):
[KCrash Handler]
#6  0x0000000002c507a0 in ?? ()
#7  0x00007f08dba95cc6 in TaskGroupItem::~TaskGroupItem (this=0x2c7d410, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f08dba95d79 in TaskGroupItem::~TaskGroupItem (this=0x2c7d410, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f08f6ed8188 in QObject::event (this=0x2c7d410, e=<optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f08f668d31b in QGraphicsWidget::event (this=0x2c7d410, event=0x88d3f0) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f08f6073c34 in notify_helper (e=0x88d3f0, receiver=0x2c7d410, this=0x6e5130) at kernel/qapplication.cpp:4481
#12 QApplicationPrivate::notify_helper (this=0x6e5130, receiver=0x2c7d410, e=0x88d3f0) at kernel/qapplication.cpp:4453
#13 0x00007f08f6078ac1 in QApplication::notify (this=0x6d0c60, receiver=0x2c7d410, e=0x88d3f0) at kernel/qapplication.cpp:4360
#14 0x00007f08f7c53e36 in KApplication::notify (this=0x6d0c60, receiver=0x2c7d410, event=0x88d3f0) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#15 0x00007f08f6ec182c in QCoreApplication::notifyInternal (this=0x6d0c60, receiver=0x2c7d410, event=0x88d3f0) at kernel/qcoreapplication.cpp:787
#16 0x00007f08f6ec4c08 in sendEvent (event=0x88d3f0, receiver=0x2c7d410) at kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x615800) at kernel/qcoreapplication.cpp:1428
#18 0x00007f08f6ec4e2e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f08e5a1a773 in kdemain (argc=1, argv=0x683740) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#20 0x0000000000408897 in _start ()

Possible duplicates by query: bug 295731, bug 295082, bug 294972, bug 294670, bug 294488.

Reported using DrKonqi