Bug 252085

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Notifications and jobs widget stopped working and after job cancelation plasma workspace crashed.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ff84834b7a0 (LWP 2055))]

Thread 8 (Thread 0x7ff8265e2710 (LWP 2059)):
#0  0x00007ff847c54f83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff83c7db4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007ff83c7db8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007ff8452d91d6 in QEventDispatcherGlib::processEvents (this=0x17b4980, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007ff8452abdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007ff8452ac1bc in QEventLoop::exec (this=0x7ff8265e1d70, flags=) at kernel/qeventloop.cpp:201
#6  0x00007ff8451b736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007ff84528bb48 in QInotifyFileSystemWatcherEngine::run (this=0x17b3d10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ff8451ba2ee in QThreadPrivate::start (arg=0x17b3d10) at thread/qthread_unix.cpp:266
#9  0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ff81d642710 (LWP 5947)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff8451baeab in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007ff841a99d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x181e830, th=0x1c6fc80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff841a9cf8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x1c6fc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff841a9cfa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x1c6fc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff841a9cfa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x1c6fc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007ff841a9b4ff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff81d641dc0, parent=0x181e830, th=0x1c6fc80) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007ff841a9ba58 in ThreadWeaver::Thread::run (this=0x1c6fc80) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007ff8451ba2ee in QThreadPrivate::start (arg=0x1c6fc80) at thread/qthread_unix.cpp:266
#10 0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ff825558710 (LWP 5948)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff8451baeab in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007ff841a99d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x181e830, th=0x7ff820005600) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff841a9cf8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x7ff820005600) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff841a9b4ff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff825557dc0, parent=0x181e830, th=0x7ff820005600) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ff841a9ba58 in ThreadWeaver::Thread::run (this=0x7ff820005600) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ff8451ba2ee in QThreadPrivate::start (arg=0x7ff820005600) at thread/qthread_unix.cpp:266
#8  0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ff819db0710 (LWP 5949)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff8451baeab in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007ff841a99d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x181e830, th=0x7ff820000f30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff841a9cf8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x7ff820000f30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff841a9cfa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x7ff820000f30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff841a9b4ff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff819dafdc0, parent=0x181e830, th=0x7ff820000f30) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff841a9ba58 in ThreadWeaver::Thread::run (this=0x7ff820000f30) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff8451ba2ee in QThreadPrivate::start (arg=0x7ff820000f30) at thread/qthread_unix.cpp:266
#9  0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ff8195af710 (LWP 5950)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff8451baeab in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1a2dc00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007ff841a99d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x181e830, th=0x1ecfd30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff841a9cf8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1a2e4e0, th=0x1ecfd30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff841a9b4ff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff8195aedc0, parent=0x181e830, th=0x1ecfd30) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ff841a9ba58 in ThreadWeaver::Thread::run (this=0x1ecfd30) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ff8451ba2ee in QThreadPrivate::start (arg=0x1ecfd30) at thread/qthread_unix.cpp:266
#8  0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff8117e3710 (LWP 28283)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007ff80ca4b081 in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff8033fb710 (LWP 28285)):
#0  0x00007ff847c54f83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff83c7db4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007ff83c7db8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007ff8452d91d6 in QEventDispatcherGlib::processEvents (this=0x3a77890, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007ff8452abdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007ff8452ac1bc in QEventLoop::exec (this=0x7ff8033fad50, flags=) at kernel/qeventloop.cpp:201
#6  0x00007ff8451b736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007ff80cca72b0 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#8  0x00007ff8451ba2ee in QThreadPrivate::start (arg=0x321c260) at thread/qthread_unix.cpp:266
#9  0x00007ff844f289ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ff847c616fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff84834b7a0 (LWP 2055)):
[KCrash Handler]
#6  0x0000000001efef78 in ?? ()
#7  0x00007ff845986b19 in KJob::kill (this=0x2863d60, verbosity=KJob::EmitResult) at ../../kdecore/jobs/kjob.cpp:106
#8  0x00007ff845f5dd25 in KUiServerJobTracker::qt_metacall (this=0x2e47bc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff3a1895a0) at ./kuiserverjobtracker.moc:100
#9  0x00007ff8452c4da7 in QMetaObject::activate (sender=0x2013f30, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xc) at kernel/qobject.cpp:3280
#10 0x00007ff8460bef68 in OrgKdeJobViewV2Interface::qt_metacall (this=0x2013f30, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff3a189b30) at jobviewifacev2.moc:98
#11 0x00007ff84560392e in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:916
#12 0x00007ff84560e7ff in QDBusCallDeliveryEvent::placeMetaCall (this=0x1dc64f0, object=0x1) at qdbusintegrator_p.h:103
#13 0x00007ff8452bee7e in QObject::event (this=0x2013f30, e=0x2863d60) at kernel/qobject.cpp:1219
#14 0x00007ff8443fb76c in QApplicationPrivate::notify_helper (this=0x12eb570, receiver=0x2013f30, e=0x134a760) at kernel/qapplication.cpp:4396
#15 0x00007ff84440125d in QApplication::notify (this=0x12d2650, receiver=0x2013f30, e=0x134a760) at kernel/qapplication.cpp:4277
#16 0x00007ff845f632e6 in KApplication::notify (this=0x12d2650, receiver=0x2013f30, event=0x134a760) at ../../kdeui/kernel/kapplication.cpp:310
#17 0x00007ff8452ad0ac in QCoreApplication::notifyInternal (this=0x12d2650, receiver=0x2013f30, event=0x134a760) at kernel/qcoreapplication.cpp:732
#18 0x00007ff8452affd2 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x12b6d20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x12b6d20) at kernel/qcoreapplication.cpp:1373
#20 0x00007ff8452d9643 in QCoreApplication::sendPostedEvents (s=0x12eecc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#21 postEventSourceDispatch (s=0x12eecc0) at kernel/qeventdispatcher_glib.cpp:277
#22 0x00007ff83c7d78c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007ff83c7db748 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007ff83c7db8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007ff8452d9183 in QEventDispatcherGlib::processEvents (this=0x12b6860, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#26 0x00007ff8444ad78e in QGuiEventDispatcherGlib::processEvents (this=0x2863d60, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007ff8452abdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007ff8452ac1bc in QEventLoop::exec (this=0x7fff3a18a570, flags=) at kernel/qeventloop.cpp:201
#29 0x00007ff8452b026b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#30 0x00007ff847f3ad06 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#31 0x00007ff847b99c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff3a18a938) at libc-start.c:226
#32 0x00000000004006c9 in _start ()

Reported using DrKonqi