Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.00 (4.7.0) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.39-gentoo-r4 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:
It usually happens when I shut down my computer, but not consistently.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc16f760760 (LWP 2312))]

Thread 2 (Thread 0x7fc14e7a8700 (LWP 2313)):
#0  0x00007fc16cc9efa3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc169e8697b in g_main_context_poll (context=0x1ffd8c0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3405
#2  g_main_context_iterate (context=0x1ffd8c0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3087
#3  0x00007fc169e86ead in g_main_context_iteration (context=0x1ffd8c0, may_block=1) at gmain.c:3155
#4  0x00007fc16e336bc6 in QEventDispatcherGlib::processEvents (this=0x1fef370, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fc16e3059c2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fc16e305c04 in QEventLoop::exec (this=0x7fc14e7a7d20, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fc16e205704 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007fc16e2e44a8 in QInotifyFileSystemWatcherEngine::run (this=0x1fef3b0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fc16e2090ae in QThreadPrivate::start (arg=0x1fef3b0) at thread/qthread_unix.cpp:320
#10 0x00007fc15fd39bc3 in ?? () from /usr/lib64/opengl/nvidia/lib/libGL.so.1
#11 0x00007fc16df74d4c in start_thread (arg=0x7fc14e7a8700) at pthread_create.c:301
#12 0x00007fc16cca7c6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fc16f760760 (LWP 2312)):
[KCrash Handler]
#6  0x000000000192b418 in ?? ()
#7  0x00007fc158129836 in TaskGroupItem::~TaskGroupItem (this=0x387f5c0, __in_chrg=<value optimized out>) at /var/tmp/portage/kde-base/plasma-workspace-4.7.0/work/plasma-workspace-4.7.0/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007fc1581298e9 in TaskGroupItem::~TaskGroupItem (this=0x387f5c0, __in_chrg=<value optimized out>) at /var/tmp/portage/kde-base/plasma-workspace-4.7.0/work/plasma-workspace-4.7.0/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007fc16e321060 in QObject::event (this=0x387f5c0, e=<value optimized out>) at kernel/qobject.cpp:1200
#10 0x00007fc16dab69cb in QGraphicsWidget::event (this=0x387f5c0, event=0x33a3b90) at graphicsview/qgraphicswidget.cpp:1423
#11 0x00007fc16d42bd04 in QApplicationPrivate::notify_helper (this=0x1861b70, receiver=0x387f5c0, e=0x33a3b90) at kernel/qapplication.cpp:4462
#12 0x00007fc16d432f31 in QApplication::notify (this=<value optimized out>, receiver=0x387f5c0, e=0x33a3b90) at kernel/qapplication.cpp:4341
#13 0x00007fc16f121136 in KApplication::notify (this=0x18438f0, receiver=0x387f5c0, event=0x33a3b90) at /var/tmp/portage/kde-base/kdelibs-4.7.0-r1/work/kdelibs-4.7.0/kdeui/kernel/kapplication.cpp:311
#14 0x00007fc16e306c1b in QCoreApplication::notifyInternal (this=0x18438f0, receiver=0x387f5c0, event=0x33a3b90) at kernel/qcoreapplication.cpp:731
#15 0x00007fc16e30a284 in sendEvent (receiver=0x0, event_type=52, data=0x178c8c0) at kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x178c8c0) at kernel/qcoreapplication.cpp:1372
#17 0x00007fc16e30a57f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1015
#18 0x00007fc15d6422ad in kdemain (argc=1, argv=0x180a110) at /var/tmp/portage/kde-base/plasma-workspace-4.7.0/work/plasma-workspace-4.7.0/plasma/desktop/shell/main.cpp:120
#19 0x00000000004078df in launch (argc=1, _name=0x178dd48 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=<value optimized out>, envs=<value optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40bc4d "0") at /var/tmp/portage/kde-base/kdelibs-4.7.0-r1/work/kdelibs-4.7.0/kinit/kinit.cpp:734
#20 0x000000000040852f in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.0-r1/work/kdelibs-4.7.0/kinit/kinit.cpp:1226
#21 0x0000000000408c1d in handle_requests (waitForPid=0) at /var/tmp/portage/kde-base/kdelibs-4.7.0-r1/work/kdelibs-4.7.0/kinit/kinit.cpp:1419
#22 0x00000000004099ef in main (argc=2, argv=0x7ffffb0a8948, envp=0x7ffffb0a8960) at /var/tmp/portage/kde-base/kdelibs-4.7.0-r1/work/kdelibs-4.7.0/kinit/kinit.cpp:1907

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

Possible duplicates by query: bug 283288, bug 282772, bug 281833, bug 281673, bug 281638.

Reported using DrKonqi