Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

- Unusual behavior I noticed:

- Custom settings of the application:

Trying to add media with Amarok...then crash...also running firefox and thunderbird, but they kept running

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fdcd4d027c0 (LWP 1605))]

Thread 6 (Thread 0x7fdcaca40700 (LWP 1606)):
#0  0x00007fdcd45e1773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fdcc8b6bf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcc8b6c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd17d2f3e in QEventDispatcherGlib::processEvents (this=0x2c3a2b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fdcd17a6cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fdcd17a6ef7 in QEventLoop::exec (this=0x7fdcaca3fcd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fdcd16be27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fdcd1789cbf in QInotifyFileSystemWatcherEngine::run (this=0x2c38a70) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fdcd16c0d05 in QThreadPrivate::start (arg=0x2c38a70) at thread/qthread_unix.cpp:331
#9  0x00007fdcc5e8556c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fdcc9678efc in start_thread (arg=0x7fdcaca40700) at pthread_create.c:304
#11 0x00007fdcd45ed89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fdca5ad5700 (LWP 1609)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdccfc7ac2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fdccfc7ad59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fdcc5e8556c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007fdcc9678efc in start_thread (arg=0x7fdca5ad5700) at pthread_create.c:304
#5  0x00007fdcd45ed89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fdca51d4700 (LWP 1610)):
#0  0x00007fdcd45e1773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fdcc8b6bf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcc8b6c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd17d2f3e in QEventDispatcherGlib::processEvents (this=0x7fdca80018c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fdcd17a6cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fdcd17a6ef7 in QEventLoop::exec (this=0x7fdca51d3d00, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fdcd16be27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fdcd16c0d05 in QThreadPrivate::start (arg=0x3111090) at thread/qthread_unix.cpp:331
#8  0x00007fdcc5e8556c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fdcc9678efc in start_thread (arg=0x7fdca51d4700) at pthread_create.c:304
#10 0x00007fdcd45ed89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fdc9eb2e700 (LWP 1675)):
#0  0x00007fdcc967b034 in __pthread_mutex_lock (mutex=0x7fdca8003568) at pthread_mutex_lock.c:61
#1  0x00007fdcc8b6b75f in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcc8b6bf82 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcc8b6c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdcd17d2f3e in QEventDispatcherGlib::processEvents (this=0x3b1ca90, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fdcd17a6cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fdcd17a6ef7 in QEventLoop::exec (this=0x7fdc9eb2dcd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fdcd16be27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fdcd1789cbf in QInotifyFileSystemWatcherEngine::run (this=0x3b1bef0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fdcd16c0d05 in QThreadPrivate::start (arg=0x3b1bef0) at thread/qthread_unix.cpp:331
#10 0x00007fdcc5e8556c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007fdcc9678efc in start_thread (arg=0x7fdc9eb2e700) at pthread_create.c:304
#12 0x00007fdcd45ed89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fdc9a658700 (LWP 1680)):
#0  0x00007fdcd45e1773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fdcc8b6bf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcc8b6c792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdc9b136516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fdcc8b912b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdcc5e8556c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fdcc9678efc in start_thread (arg=0x7fdc9a658700) at pthread_create.c:304
#7  0x00007fdcd45ed89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fdcd4d027c0 (LWP 1605)):
[KCrash Handler]
#6  operator== (value=0, this=0x1ad48a620d) at /usr/include/qt4/QtCore/qbasicatomic.h:70
#7  isNull (this=0x4daaa50) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x4daaa50) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=<optimized out>) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x00007fdcb7b0d112 in WindowTaskItem::publishIconGeometry (this=0x4cba360) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x00007fdcb7b1bb7c in AbstractTaskItem::timerEvent (this=0x4cba360, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x00007fdcd17be789 in QObject::event (this=0x4cba360, e=<optimized out>) at kernel/qobject.cpp:1181
#13 0x00007fdcd117689b in QGraphicsWidget::event (this=0x4cba360, event=0x7fffd19e2d40) at graphicsview/qgraphicswidget.cpp:1455
#14 0x00007fdcd0b58424 in notify_helper (e=0x7fffd19e2d40, receiver=0x4cba360, this=0x1968290) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x1968290, receiver=0x4cba360, e=0x7fffd19e2d40) at kernel/qapplication.cpp:4458
#16 0x00007fdcd0b5d291 in QApplication::notify (this=0x19580f0, receiver=0x4cba360, e=0x7fffd19e2d40) at kernel/qapplication.cpp:4365
#17 0x00007fdcd2456126 in KApplication::notify (this=0x19580f0, receiver=0x4cba360, event=0x7fffd19e2d40) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x00007fdcd17a7afc in QCoreApplication::notifyInternal (this=0x19580f0, receiver=0x4cba360, event=0x7fffd19e2d40) at kernel/qcoreapplication.cpp:787
#19 0x00007fdcd17d4d62 in sendEvent (event=0x7fffd19e2d40, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x196d830) at kernel/qeventdispatcher_unix.cpp:603
#21 0x00007fdcd17d2538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#23 0x00007fdcc8b6ba5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fdcc8b6c258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fdcc8b6c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fdcd17d2ed6 in QEventDispatcherGlib::processEvents (this=0x18b4f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#27 0x00007fdcd0c0007e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007fdcd17a6cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#29 0x00007fdcd17a6ef7 in QEventLoop::exec (this=0x7fffd19e2fd0, flags=...) at kernel/qeventloop.cpp:201
#30 0x00007fdcd17ab789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0x00007fdcd48ec1a3 in kdemain (argc=1, argv=0x7fffd19e33b8) at ../../../../plasma/desktop/shell/main.cpp:120
#32 0x00007fdcd452d30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffd19e33b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd19e33a8) at libc-start.c:226
#33 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291785, bug 291689, bug 291619, bug 291569, bug 291530.

Reported using DrKonqi