Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: the plasma-desktop crashes when logging out or shutdown the computer

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0d582337c0 (LWP 3220))]

Thread 4 (Thread 0x7f0d39ef3700 (LWP 3224)):
#0  0x00007f0d57b23773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0d4c0adf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d4c0ae792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d407dc516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f0d4c0d32b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0d493c725a in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#6  0x00007f0d4cbbaefc in start_thread (arg=0x7f0d39ef3700) at pthread_create.c:304
#7  0x00007f0d57b2f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f0d25b5f700 (LWP 3227)):
#0  0x00007f0d4c0ad393 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0d4c0ade6a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d4c0ae429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d54d14f3e in QEventDispatcherGlib::processEvents (this=0x20b55b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f0d54ce8cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0d54ce8ef7 in QEventLoop::exec (this=0x7f0d25b5ecd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f0d54c0027f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f0d54ccbcbf in QInotifyFileSystemWatcherEngine::run (this=0x20b3040) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f0d54c02d05 in QThreadPrivate::start (arg=0x20b3040) at thread/qthread_unix.cpp:331
#9  0x00007f0d493c725a in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f0d4cbbaefc in start_thread (arg=0x7f0d25b5f700) at pthread_create.c:304
#11 0x00007f0d57b2f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f0d238fa700 (LWP 3228)):
#0  0x00007f0d57b23773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0d4c0adf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d4c0ae429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d54d14f3e in QEventDispatcherGlib::processEvents (this=0x22ae990, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f0d54ce8cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0d54ce8ef7 in QEventLoop::exec (this=0x7f0d238f9cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f0d54c0027f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f0d54ccbcbf in QInotifyFileSystemWatcherEngine::run (this=0x22adc60) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f0d54c02d05 in QThreadPrivate::start (arg=0x22adc60) at thread/qthread_unix.cpp:331
#9  0x00007f0d493c725a in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f0d4cbbaefc in start_thread (arg=0x7f0d238fa700) at pthread_create.c:304
#11 0x00007f0d57b2f89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0d582337c0 (LWP 3220)):
[KCrash Handler]
#6  0x000000000166ca4a in ?? ()
#7  0x00007f0d2f2dbb96 in TaskGroupItem::~TaskGroupItem (this=0x3615930, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f0d2f2dbc59 in TaskGroupItem::~TaskGroupItem (this=0x3615930, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:84
#9  0x00007f0d54d00a88 in QObject::event (this=0x3615930, e=<optimized out>) at kernel/qobject.cpp:1200
#10 0x00007f0d546b889b in QGraphicsWidget::event (this=0x3615930, event=0x2b7b760) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f0d5409a424 in notify_helper (e=0x2b7b760, receiver=0x3615930, this=0x12ff100) at kernel/qapplication.cpp:4486
#12 QApplicationPrivate::notify_helper (this=0x12ff100, receiver=0x3615930, e=0x2b7b760) at kernel/qapplication.cpp:4458
#13 0x00007f0d5409f291 in QApplication::notify (this=0x12a7360, receiver=0x3615930, e=0x2b7b760) at kernel/qapplication.cpp:4365
#14 0x00007f0d55998126 in KApplication::notify (this=0x12a7360, receiver=0x3615930, event=0x2b7b760) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f0d54ce9afc in QCoreApplication::notifyInternal (this=0x12a7360, receiver=0x3615930, event=0x2b7b760) at kernel/qcoreapplication.cpp:787
#16 0x00007f0d54ced51f in sendEvent (event=0x2b7b760, receiver=0x3615930) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x1233430) at kernel/qcoreapplication.cpp:1428
#18 0x00007f0d54ced7c4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f0d57e2e1a3 in kdemain (argc=1, argv=0x7fff2a9265d8) at ../../../../plasma/desktop/shell/main.cpp:120
#20 0x00007f0d57a6f30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff2a9265d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2a9265c8) at libc-start.c:226
#21 0x0000000000400671 in _start ()

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

Possible duplicates by query: bug 290911, bug 290667, bug 290290, bug 290223, bug 290097.

Reported using DrKonqi