Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
crash on logout
crash on logout
crash on logout
- Unusual behavior I noticed:
crash on logout
crash on logout

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 0x7fe425c8e7c0 (LWP 1801))]

Thread 4 (Thread 0x7fe401696700 (LWP 1802)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fe4016959f0 in ?? ()
#2  0x00007fff709fb7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x7fe3fad60700 (LWP 1803)):
#0  __pthread_mutex_lock (mutex=0x1b76f58) at pthread_mutex_lock.c:62
#1  0x00007fe419af5fcc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe419af6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe42275cf3e in QEventDispatcherGlib::processEvents (this=0x1b76ae0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fe422730cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe422730ef7 in QEventLoop::exec (this=0x7fe3fad5fcd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fe42264827f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fe422713cbf in QInotifyFileSystemWatcherEngine::run (this=0x1b75d20) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe42264ad05 in QThreadPrivate::start (arg=0x1b75d20) at thread/qthread_unix.cpp:331
#9  0x00007fe416e0f56c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007fe41a602efc in start_thread (arg=0x7fe3fad60700) at pthread_create.c:304
#11 0x00007fe42557789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe3f6e6a700 (LWP 1809)):
#0  0x00007fe42556b773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe419af5f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe419af6792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe3f7948516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fe419b1b2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe416e0f56c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#6  0x00007fe41a602efc in start_thread (arg=0x7fe3f6e6a700) at pthread_create.c:304
#7  0x00007fe42557789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe425c8e7c0 (LWP 1801)):
[KCrash Handler]
#6  0x00007fe42259c790 in vtable for QGraphicsLayoutItem () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7  0x00007fe40a5a9b96 in TaskGroupItem::~TaskGroupItem (this=0x4430b10, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007fe40a5a9c59 in TaskGroupItem::~TaskGroupItem (this=0x4430b10, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:84
#9  0x00007fe422748a88 in QObject::event (this=0x4430b10, e=<optimized out>) at kernel/qobject.cpp:1200
#10 0x00007fe42210089b in QGraphicsWidget::event (this=0x4430b10, event=0x47fb850) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007fe421ae2424 in notify_helper (e=0x47fb850, receiver=0x4430b10, this=0x1016d70) at kernel/qapplication.cpp:4486
#12 QApplicationPrivate::notify_helper (this=0x1016d70, receiver=0x4430b10, e=0x47fb850) at kernel/qapplication.cpp:4458
#13 0x00007fe421ae7291 in QApplication::notify (this=0xffe790, receiver=0x4430b10, e=0x47fb850) at kernel/qapplication.cpp:4365
#14 0x00007fe4233e0126 in KApplication::notify (this=0xffe790, receiver=0x4430b10, event=0x47fb850) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007fe422731afc in QCoreApplication::notifyInternal (this=0xffe790, receiver=0x4430b10, event=0x47fb850) at kernel/qcoreapplication.cpp:787
#16 0x00007fe42273551f in sendEvent (event=0x47fb850, receiver=0x4430b10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0xf56430) at kernel/qcoreapplication.cpp:1428
#18 0x00007fe4227357c4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007fe4258761a3 in kdemain (argc=1, argv=0x7fff70919958) at ../../../../plasma/desktop/shell/main.cpp:120
#20 0x00007fe4254b730d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff70919958, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff70919948) at libc-start.c:226
#21 0x0000000000400671 in _start ()

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

Possible duplicates by query: bug 290097, bug 289350, bug 288964, bug 288822, bug 288715.

Reported using DrKonqi