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: I was in a video call on Skype, and Plasma crashed as soon as I ended the call.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb4c715d7a0 (LWP 3278))]

Thread 11 (Thread 0x7fb4a44d3700 (LWP 3279)):
#0  0x00007fb4c6a3c773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb4bafc6f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4bafc7429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4c3c2df3e in QEventDispatcherGlib::processEvents (this=0x2443150, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb4c3c01cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb4c3c01ef7 in QEventLoop::exec (this=0x7fb4a44d2db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fb4c3b1927f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fb4c3be4cbf in QInotifyFileSystemWatcherEngine::run (this=0x2443270) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x2443270) at thread/qthread_unix.cpp:331
#9  0x00007fb4bbad3efc in start_thread (arg=0x7fb4a44d3700) at pthread_create.c:304
#10 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fb4a19f2700 (LWP 3280)):
#0  0x00007fb4bafc63fd in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb4bafc6e6a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4bafc7429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4c3c2df3e in QEventDispatcherGlib::processEvents (this=0x1d3a180, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb4c3c01cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb4c3c01ef7 in QEventLoop::exec (this=0x7fb4a19f1db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fb4c3b1927f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fb4c3be4cbf in QInotifyFileSystemWatcherEngine::run (this=0x1de9830) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x1de9830) at thread/qthread_unix.cpp:331
#9  0x00007fb4bbad3efc in start_thread (arg=0x7fb4a19f2700) at pthread_create.c:304
#10 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fb498354700 (LWP 3748)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x2d9cde0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x2d9cde0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf918e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x2d9cde0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb498353e00, parent=0x252f820, th=0x2d9cde0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x2d9cde0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x2d9cde0) at thread/qthread_unix.cpp:331
#9  0x00007fb4bbad3efc in start_thread (arg=0x7fb498354700) at pthread_create.c:304
#10 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fb49a205700 (LWP 3749)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x369e8b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x369e8b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf918e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x369e8b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb49a204e00, parent=0x252f820, th=0x369e8b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x369e8b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x369e8b0) at thread/qthread_unix.cpp:331
#9  0x00007fb4bbad3efc in start_thread (arg=0x7fb49a205700) at pthread_create.c:304
#10 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fb4956e9700 (LWP 3750)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x304bd70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x304bd70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf918e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x304bd70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb4956e8e00, parent=0x252f820, th=0x304bd70) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x304bd70) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x304bd70) at thread/qthread_unix.cpp:331
#9  0x00007fb4bbad3efc in start_thread (arg=0x7fb4956e9700) at pthread_create.c:304
#10 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fb494ee8700 (LWP 3751)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x7fb49c00a960) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x7fb49c00a960) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf918e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x7fb49c00a960) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fb4bf918e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x7fb49c00a960) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb494ee7e00, parent=0x252f820, th=0x7fb49c00a960) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x7fb49c00a960) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x7fb49c00a960) at thread/qthread_unix.cpp:331
#10 0x00007fb4bbad3efc in start_thread (arg=0x7fb494ee8700) at pthread_create.c:304
#11 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fb48ffff700 (LWP 3752)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x1cb40c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x1cb40c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb48fffee00, parent=0x252f820, th=0x1cb40c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x1cb40c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x1cb40c0) at thread/qthread_unix.cpp:331
#8  0x00007fb4bbad3efc in start_thread (arg=0x7fb48ffff700) at pthread_create.c:304
#9  0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fb48f7fe700 (LWP 3753)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x3852720) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x3852720) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb48f7fde00, parent=0x252f820, th=0x3852720) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x3852720) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x3852720) at thread/qthread_unix.cpp:331
#8  0x00007fb4bbad3efc in start_thread (arg=0x7fb48f7fe700) at pthread_create.c:304
#9  0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fb48effd700 (LWP 3754)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x3b63200) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x3b63200) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb48effce00, parent=0x252f820, th=0x3b63200) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x3b63200) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x3b63200) at thread/qthread_unix.cpp:331
#8  0x00007fb4bbad3efc in start_thread (arg=0x7fb48effd700) at pthread_create.c:304
#9  0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fb48e7fc700 (LWP 3755)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb4c3b1c1ab in wait (time=18446744073709551615, this=0x24a8c60) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24a7370, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fb4bf916864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x252f820, th=0x2a69780) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fb4bf918e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x2a69780) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fb4bf918e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x24a7810, th=0x2a69780) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fb4bf917ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fb48e7fbe00, parent=0x252f820, th=0x2a69780) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fb4bf917d5b in ThreadWeaver::Thread::run (this=0x2a69780) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fb4c3b1bd05 in QThreadPrivate::start (arg=0x2a69780) at thread/qthread_unix.cpp:331
#9  0x00007fb4bbad3efc in start_thread (arg=0x7fb48e7fc700) at pthread_create.c:304
#10 0x00007fb4c6a4889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb4c715d7a0 (LWP 3278)):
[KCrash Handler]
#6  isNull (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x406e620) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fb4ad6f4112 in WindowTaskItem::publishIconGeometry (this=0x3436fd0) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fb4ad702b7c in AbstractTaskItem::timerEvent (this=0x3436fd0, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007fb4c3c19789 in QObject::event (this=0x3436fd0, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007fb4c35d189b in QGraphicsWidget::event (this=0x3436fd0, event=0x7fff05e77560) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007fb4c2fb3424 in notify_helper (e=0x7fff05e77560, receiver=0x3436fd0, this=0x1ba44e0) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x1ba44e0, receiver=0x3436fd0, e=0x7fff05e77560) at kernel/qapplication.cpp:4458
#15 0x00007fb4c2fb8291 in QApplication::notify (this=0x1b8b020, receiver=0x3436fd0, e=0x7fff05e77560) at kernel/qapplication.cpp:4365
#16 0x00007fb4c48b1126 in KApplication::notify (this=0x1b8b020, receiver=0x3436fd0, event=0x7fff05e77560) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fb4c3c02afc in QCoreApplication::notifyInternal (this=0x1b8b020, receiver=0x3436fd0, event=0x7fff05e77560) at kernel/qcoreapplication.cpp:787
#18 0x00007fb4c3c2fd62 in sendEvent (event=0x7fff05e77560, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x1ba3340) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fb4c3c2d538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007fb4bafc6a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fb4bafc7258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fb4bafc7429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fb4c3c2ded6 in QEventDispatcherGlib::processEvents (this=0x1b33f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007fb4c305b07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fb4c3c01cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fb4c3c01ef7 in QEventLoop::exec (this=0x7fff05e777f0, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007fb4c3c06789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007fb4c6d471a3 in kdemain (argc=1, argv=0x7fff05e77bd8) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007fb4c698830d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff05e77bd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff05e77bc8) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 286695, bug 286691, bug 286669, bug 286629, bug 286616.

Reported using DrKonqi