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:
- What I was doing when the application crashed:
Firefox crashed constantly, Yast2 would not open (could not connect to X server)  I have just reinstalled kernel, firefox, and nvidia drivers and wanted to restart when this crash occured.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f1e75efa760 (LWP 2731))]

Thread 3 (Thread 0x7f1e5224c700 (LWP 2732)):
#0  0x00007f1e7357a523 in poll () from /lib64/libc.so.6
#1  0x00007f1e7036fa98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f1e7036ff59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f1e74b8c586 in QEventDispatcherGlib::processEvents (this=0x7f1e4c0008e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1e74b60a32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1e74b60c2f in QEventLoop::exec (this=0x7f1e5224bd30, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f1e74a785df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f1e74b43aff in QInotifyFileSystemWatcherEngine::run (this=0xd9db90) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f1e74a7b025 in QThreadPrivate::start (arg=0xd9db90) at thread/qthread_unix.cpp:331
#9  0x00007f1e65ba92da in ?? () from /usr/X11R6/lib64/libGL.so.1
#10 0x00007f1e747eaf05 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f1e7358363d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f1e3ade2700 (LWP 2744)):
#0  0x00007f1e747eee6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1e69635852 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f1e6992de80) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f1e69635889 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f1e65ba92da in ?? () from /usr/X11R6/lib64/libGL.so.1
#4  0x00007f1e747eaf05 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f1e7358363d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f1e75efa760 (LWP 2731)):
[KCrash Handler]
#6  0x000000000088c040 in ?? ()
#7  0x00007f1e595cccc6 in TaskGroupItem::~TaskGroupItem (this=0x16b2f60, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f1e595ccd79 in TaskGroupItem::~TaskGroupItem (this=0x16b2f60, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f1e74b78188 in QObject::event (this=0x16b2f60, e=<optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f1e7432d31b in QGraphicsWidget::event (this=0x16b2f60, event=0x1c4b280) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f1e73d13c34 in notify_helper (e=0x1c4b280, receiver=0x16b2f60, this=0x712f00) at kernel/qapplication.cpp:4481
#12 QApplicationPrivate::notify_helper (this=0x712f00, receiver=0x16b2f60, e=0x1c4b280) at kernel/qapplication.cpp:4453
#13 0x00007f1e73d18ac1 in QApplication::notify (this=0x706060, receiver=0x16b2f60, e=0x1c4b280) at kernel/qapplication.cpp:4360
#14 0x00007f1e758f3e36 in KApplication::notify (this=0x706060, receiver=0x16b2f60, event=0x1c4b280) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#15 0x00007f1e74b6182c in QCoreApplication::notifyInternal (this=0x706060, receiver=0x16b2f60, event=0x1c4b280) at kernel/qcoreapplication.cpp:787
#16 0x00007f1e74b64c08 in sendEvent (event=0x1c4b280, receiver=0x16b2f60) at kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x615800) at kernel/qcoreapplication.cpp:1428
#18 0x00007f1e74b64e2e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f1e61964773 in kdemain (argc=1, argv=0x744da0) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#20 0x0000000000408897 in _start ()

This bug may be a duplicate of or related to bug 275286.

Possible duplicates by query: bug 293859, bug 293361, bug 293350, bug 292722, bug 292424.

Reported using DrKonqi