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 application crashed:

Run eclipse and browser.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe6e26777c0 (LWP 1761))]

Thread 5 (Thread 0x7fe6bed9e700 (LWP 1762)):
#0  0x00007fe6d679a066 in __GI_clock_gettime (clock_id=1, tp=0x7fe6bed9da40) at ../sysdeps/unix/clock_gettime.c:116
#1  0x00007fe6df08a074 in do_gettime (frac=0x7fe6bed9da58, sec=0x7fe6bed9da50) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x00007fe6df14c6ed in QTimerInfoList::updateCurrentTime (this=0x2e3aeb0) at kernel/qeventdispatcher_unix.cpp:339
#4  0x00007fe6df14ca33 in QTimerInfoList::timerWait (this=0x2e3aeb0, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x00007fe6df14b44c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7fe6bed9db3c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00007fe6df14b4f5 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x00007fe6d64e3ff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fe6d64e4dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fe6d64e5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fe6df14bf3e in QEventDispatcherGlib::processEvents (this=0x2e3a4d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#11 0x00007fe6df11fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007fe6df11fef7 in QEventLoop::exec (this=0x7fe6bed9dcd0, flags=...) at kernel/qeventloop.cpp:201
#13 0x00007fe6df03727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#14 0x00007fe6df102cbf in QInotifyFileSystemWatcherEngine::run (this=0x2e39ba0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x00007fe6df039d05 in QThreadPrivate::start (arg=0x2e39ba0) at thread/qthread_unix.cpp:331
#16 0x00007fe6d37fe56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x00007fe6d6ff1efc in start_thread (arg=0x7fe6bed9e700) at pthread_create.c:304
#18 0x00007fe6e1f6689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe6b6a18700 (LWP 1763)):
#0  0x00007fe6e1f5a773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe6d64e4f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d64e5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6df14bf3e in QEventDispatcherGlib::processEvents (this=0x378a140, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fe6df11fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe6df11fef7 in QEventLoop::exec (this=0x7fe6b6a17cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fe6df03727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fe6df102cbf in QInotifyFileSystemWatcherEngine::run (this=0x37b2c10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe6df039d05 in QThreadPrivate::start (arg=0x37b2c10) at thread/qthread_unix.cpp:331
#9  0x00007fe6d37fe56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fe6d6ff1efc in start_thread (arg=0x7fe6b6a18700) at pthread_create.c:304
#11 0x00007fe6e1f6689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe6b3e25700 (LWP 1766)):
#0  0x00007fe6e1f5a773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe6d64e4f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d64e5792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6b4903516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fe6d650a2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe6d37fe56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fe6d6ff1efc in start_thread (arg=0x7fe6b3e25700) at pthread_create.c:304
#7  0x00007fe6e1f6689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe6b093a700 (LWP 1789)):
#0  0x00007fe6e1f5a773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe6d64e4f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6d64e5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6df14bf3e in QEventDispatcherGlib::processEvents (this=0x3efa620, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fe6df11fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe6df11fef7 in QEventLoop::exec (this=0x7fe6b0939d00, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fe6df03727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fe6df039d05 in QThreadPrivate::start (arg=0x3e09510) at thread/qthread_unix.cpp:331
#8  0x00007fe6d37fe56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fe6d6ff1efc in start_thread (arg=0x7fe6b093a700) at pthread_create.c:304
#10 0x00007fe6e1f6689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe6e26777c0 (LWP 1761)):
[KCrash Handler]
#6  isNull (this=0x4060000000000000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x4060000000000000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x53dd880) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fe6c6927112 in WindowTaskItem::publishIconGeometry (this=0x3af1900) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fe6c6935b7c in AbstractTaskItem::timerEvent (this=0x3af1900, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007fe6df137789 in QObject::event (this=0x3af1900, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007fe6deaef89b in QGraphicsWidget::event (this=0x3af1900, event=0x7fff929186b0) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007fe6de4d1424 in notify_helper (e=0x7fff929186b0, receiver=0x3af1900, this=0x22a2e40) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x22a2e40, receiver=0x3af1900, e=0x7fff929186b0) at kernel/qapplication.cpp:4458
#15 0x00007fe6de4d6291 in QApplication::notify (this=0x2293ab0, receiver=0x3af1900, e=0x7fff929186b0) at kernel/qapplication.cpp:4365
#16 0x00007fe6dfdcf126 in KApplication::notify (this=0x2293ab0, receiver=0x3af1900, event=0x7fff929186b0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fe6df120afc in QCoreApplication::notifyInternal (this=0x2293ab0, receiver=0x3af1900, event=0x7fff929186b0) at kernel/qcoreapplication.cpp:787
#18 0x00007fe6df14dd62 in sendEvent (event=0x7fff929186b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x22a9b80) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fe6df14b514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 0x00007fe6d64e4a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fe6d64e5258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fe6d64e5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fe6df14bed6 in QEventDispatcherGlib::processEvents (this=0x21f1f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007fe6de57907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007fe6df11fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007fe6df11fef7 in QEventLoop::exec (this=0x7fff92918940, flags=...) at kernel/qeventloop.cpp:201
#28 0x00007fe6df124789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#29 0x00007fe6e22651a3 in kdemain (argc=1, argv=0x7fff92918d28) at ../../../../plasma/desktop/shell/main.cpp:120
#30 0x00007fe6e1ea630d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff92918d28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff92918d18) at libc-start.c:226
#31 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291409, bug 291398, bug 291392, bug 291377, bug 291373.

Reported using DrKonqi