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:

I closed window with alt+F4 and avtivity bar disapear suddenly

-- Backtrace:
Application: Powłoka pulpitu Plazmy (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f128eace7a0 (LWP 2245))]

Thread 12 (Thread 0x7f126bed3700 (LWP 2246)):
#0  0x00007f128e3b0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f128293af68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f128293b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f128b5a1f3e in QEventDispatcherGlib::processEvents (this=0x105ed50, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f128b575cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f128b575ef7 in QEventLoop::exec (this=0x7f126bed2db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f128b48d27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f128b558cbf in QInotifyFileSystemWatcherEngine::run (this=0x105d680) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x105d680) at thread/qthread_unix.cpp:331
#9  0x00007f1283447efc in start_thread (arg=0x7f126bed3700) at pthread_create.c:304
#10 0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f126951f700 (LWP 2247)):
#0  0x00007f128e3b0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f128293af68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f128293b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f128b5a1f3e in QEventDispatcherGlib::processEvents (this=0x7f12640008b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f128b575cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f128b575ef7 in QEventLoop::exec (this=0x7f126951edb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f128b48d27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f128b558cbf in QInotifyFileSystemWatcherEngine::run (this=0x120d820) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x120d820) at thread/qthread_unix.cpp:331
#9  0x00007f1283447efc in start_thread (arg=0x7f126951f700) at pthread_create.c:304
#10 0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f1262248700 (LWP 2253)):
#0  0x00007f128e3b0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f128293af68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f128293b792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1262d26516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f12829602b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1283447efc in start_thread (arg=0x7f1262248700) at pthread_create.c:304
#6  0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f125abc8700 (LWP 3182)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0x160c7e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x160c7e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f125abc7e00, parent=0x10a2120, th=0x160c7e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0x160c7e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x160c7e0) at thread/qthread_unix.cpp:331
#8  0x00007f1283447efc in start_thread (arg=0x7f125abc8700) at pthread_create.c:304
#9  0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f1263fff700 (LWP 3183)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0x19fec90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x19fec90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x19fec90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f1263ffee00, parent=0x10a2120, th=0x19fec90) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0x19fec90) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x19fec90) at thread/qthread_unix.cpp:331
#9  0x00007f1283447efc in start_thread (arg=0x7f1263fff700) at pthread_create.c:304
#10 0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f1262a49700 (LWP 3184)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0x1038eb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x1038eb0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x1038eb0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f1262a48e00, parent=0x10a2120, th=0x1038eb0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0x1038eb0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x1038eb0) at thread/qthread_unix.cpp:331
#9  0x00007f1283447efc in start_thread (arg=0x7f1262a49700) at pthread_create.c:304
#10 0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f1258760700 (LWP 3185)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0x1b4ff70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x1b4ff70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f125875fe00, parent=0x10a2120, th=0x1b4ff70) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0x1b4ff70) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x1b4ff70) at thread/qthread_unix.cpp:331
#8  0x00007f1283447efc in start_thread (arg=0x7f1258760700) at pthread_create.c:304
#9  0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f1257f5f700 (LWP 3186)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0xaa4250) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0xaa4250) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0xaa4250) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f1257f5ee00, parent=0x10a2120, th=0xaa4250) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0xaa4250) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f128b48fd05 in QThreadPrivate::start (arg=0xaa4250) at thread/qthread_unix.cpp:331
#9  0x00007f1283447efc in start_thread (arg=0x7f1257f5f700) at pthread_create.c:304
#10 0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f125775e700 (LWP 3187)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0x1b401b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x1b401b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f125775de00, parent=0x10a2120, th=0x1b401b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0x1b401b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x1b401b0) at thread/qthread_unix.cpp:331
#8  0x00007f1283447efc in start_thread (arg=0x7f125775e700) at pthread_create.c:304
#9  0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1256f5d700 (LWP 3188)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0x1a84540) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0x1a84540) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f1256f5ce00, parent=0x10a2120, th=0x1a84540) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0x1a84540) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f128b48fd05 in QThreadPrivate::start (arg=0x1a84540) at thread/qthread_unix.cpp:331
#8  0x00007f1283447efc in start_thread (arg=0x7f1256f5d700) at pthread_create.c:304
#9  0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f125675c700 (LWP 3189)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f128b4901ab in wait (time=18446744073709551615, this=0x10b37f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1089980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f128728a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10a2120, th=0xacd9c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f128728ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0xacd9c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f128728ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0xacd9c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f128728ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1089320, th=0xacd9c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f128728bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f125675be00, parent=0x10a2120, th=0xacd9c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f128728bd5b in ThreadWeaver::Thread::run (this=0xacd9c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f128b48fd05 in QThreadPrivate::start (arg=0xacd9c0) at thread/qthread_unix.cpp:331
#10 0x00007f1283447efc in start_thread (arg=0x7f125675c700) at pthread_create.c:304
#11 0x00007f128e3bc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f128eace7a0 (LWP 2245)):
[KCrash Handler]
#6  isNull (this=0x3452000000300000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x3452000000300000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x1727480) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f1274f32112 in WindowTaskItem::publishIconGeometry (this=0x24a02b0) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007f1274f40b7c in AbstractTaskItem::timerEvent (this=0x24a02b0, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007f128b58d789 in QObject::event (this=0x24a02b0, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007f128af4589b in QGraphicsWidget::event (this=0x24a02b0, event=0x7fff115f3c90) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007f128a927424 in notify_helper (e=0x7fff115f3c90, receiver=0x24a02b0, this=0x84faf0) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x84faf0, receiver=0x24a02b0, e=0x7fff115f3c90) at kernel/qapplication.cpp:4458
#15 0x00007f128a92c291 in QApplication::notify (this=0x82c660, receiver=0x24a02b0, e=0x7fff115f3c90) at kernel/qapplication.cpp:4365
#16 0x00007f128c225126 in KApplication::notify (this=0x82c660, receiver=0x24a02b0, event=0x7fff115f3c90) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f128b576afc in QCoreApplication::notifyInternal (this=0x82c660, receiver=0x24a02b0, event=0x7fff115f3c90) at kernel/qcoreapplication.cpp:787
#18 0x00007f128b5a3d62 in sendEvent (event=0x7fff115f3c90, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x84e100) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f128b5a1538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007f128293aa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f128293b258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f128293b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f128b5a1ed6 in QEventDispatcherGlib::processEvents (this=0x7d3f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f128a9cf07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f128b575cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f128b575ef7 in QEventLoop::exec (this=0x7fff115f3f20, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f128b57a789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007f128e6bb1a3 in kdemain (argc=1, argv=0x7fff115f4308) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007f128e2fc30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff115f4308, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff115f42f8) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 292102, bug 292079, bug 292063, bug 292051, bug 292049.

Reported using DrKonqi