Bug 296444

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:
I clicked on restart to reboot the computer.
When KDE was shutting down, I got the crash report.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f680a329760 (LWP 2078))]

Thread 3 (Thread 0x7f67eb3ee700 (LWP 2079)):
#0  0x00007f6807996ff3 in poll () from /lib64/libc.so.6
#1  0x00007f680478aa98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f680478af59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6808fa8586 in QEventDispatcherGlib::processEvents (this=0x7f67e40008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6808f7ca32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6808f7cc2f in QEventLoop::exec (this=0x7f67eb3eddf0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6808e945df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6808f5faff in QInotifyFileSystemWatcherEngine::run (this=0xc49e00) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6808e97025 in QThreadPrivate::start (arg=0xc49e00) at thread/qthread_unix.cpp:331
#9  0x00007f6808c06f05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f68079a010d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f67e2f7a700 (LWP 18144)):
#0  0x00007f6808c0b1eb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f6808e9742e in wait (time=30000, this=0x10924d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1091c20, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6808e8be9f in QThreadPoolThread::run (this=0x654590) at concurrent/qthreadpool.cpp:140
#4  0x00007f6808e97025 in QThreadPrivate::start (arg=0x654590) at thread/qthread_unix.cpp:331
#5  0x00007f6808c06f05 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f68079a010d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f680a329760 (LWP 2078)):
[KCrash Handler]
#6  0x00007f6808be28d0 in vtable for QGraphicsLayoutItem () from /usr/lib64/libQtGui.so.4
#7  0x00007f67e8dcbcc6 in TaskGroupItem::~TaskGroupItem (this=0x1fdda90, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f67e8dcbd79 in TaskGroupItem::~TaskGroupItem (this=0x1fdda90, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f6808f94188 in QObject::event (this=0x1fdda90, e=<optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f680874931b in QGraphicsWidget::event (this=0x1fdda90, event=0x21e18e0) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f680812fc34 in notify_helper (e=0x21e18e0, receiver=0x1fdda90, this=0x6e8160) at kernel/qapplication.cpp:4481
#12 QApplicationPrivate::notify_helper (this=0x6e8160, receiver=0x1fdda90, e=0x21e18e0) at kernel/qapplication.cpp:4453
#13 0x00007f6808134ac1 in QApplication::notify (this=0x6da680, receiver=0x1fdda90, e=0x21e18e0) at kernel/qapplication.cpp:4360
#14 0x00007f6809d0fe36 in KApplication::notify (this=0x6da680, receiver=0x1fdda90, event=0x21e18e0) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#15 0x00007f6808f7d82c in QCoreApplication::notifyInternal (this=0x6da680, receiver=0x1fdda90, event=0x21e18e0) at kernel/qcoreapplication.cpp:787
#16 0x00007f6808f80c08 in sendEvent (event=0x21e18e0, receiver=0x1fdda90) at kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x615800) at kernel/qcoreapplication.cpp:1428
#18 0x00007f6808f80e2e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f67f7ad5773 in kdemain (argc=1, argv=0x65e570) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#20 0x0000000000408897 in launch (argc=1, _name=0x6858b8 "/usr/bin/plasma-desktop", args=<optimized out>, cwd=0x0, envc=<optimized out>, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b22e "0") at /usr/src/debug/kdelibs-4.7.2/kinit/kinit.cpp:734
#21 0x0000000000409966 in handle_launcher_request (sock=8, who=<optimized out>) at /usr/src/debug/kdelibs-4.7.2/kinit/kinit.cpp:1226
#22 0x0000000000409ea7 in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.7.2/kinit/kinit.cpp:1419
#23 0x00000000004057a7 in main (argc=4, argv=0x7fff00000001, envp=0x7fff55ef3ab0) at /usr/src/debug/kdelibs-4.7.2/kinit/kinit.cpp:1907

This bug may be a duplicate of or related to bug 290097.

Possible duplicates by query: bug 292424, bug 290097, bug 289350, bug 288964, bug 288822.

Reported using DrKonqi