Bug 291679

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:

When I open Firefox my KDE closed down and reload by few seconds with eroors

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe4a028e7c0 (LWP 1905))]

Thread 8 (Thread 0x7fe47c06a700 (LWP 1907)):
#0  0x00007fe49fb6d773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe4940f7f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe4940f8429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe49cd5ef3e in QEventDispatcherGlib::processEvents (this=0xf98200, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fe49cd32cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe49cd32ef7 in QEventLoop::exec (this=0x7fe47c069cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fe49cc4a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fe49cd15cbf in QInotifyFileSystemWatcherEngine::run (this=0xf97a90) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe49cc4cd05 in QThreadPrivate::start (arg=0xf97a90) at thread/qthread_unix.cpp:331
#9  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fe494c04efc in start_thread (arg=0x7fe47c06a700) at pthread_create.c:304
#11 0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fe479797700 (LWP 1908)):
#0  0x00007fe4940f7d30 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe4940f8429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe49cd5ef3e in QEventDispatcherGlib::processEvents (this=0x11cc070, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007fe49cd32cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007fe49cd32ef7 in QEventLoop::exec (this=0x7fe479796cd0, flags=...) at kernel/qeventloop.cpp:201
#5  0x00007fe49cc4a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#6  0x00007fe49cd15cbf in QInotifyFileSystemWatcherEngine::run (this=0x11cb340) at io/qfilesystemwatcher_inotify.cpp:248
#7  0x00007fe49cc4cd05 in QThreadPrivate::start (arg=0x11cb340) at thread/qthread_unix.cpp:331
#8  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fe494c04efc in start_thread (arg=0x7fe479797700) at pthread_create.c:304
#10 0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fe4723f6700 (LWP 1914)):
#0  0x00007fe4940f7811 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe4940f7f82 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe4940f8792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe472ed4516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fe49411d2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fe494c04efc in start_thread (arg=0x7fe4723f6700) at pthread_create.c:304
#7  0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fe46f0a1700 (LWP 6124)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe49cc4d1ab in wait (time=18446744073709551615, this=0x1008950) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfc63c0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe498a47864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfe6510, th=0x2682720) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe498a49e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfcbfb0, th=0x2682720) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe498a48ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fe46f0a0d20, parent=0xfe6510, th=0x2682720) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fe498a48d5b in ThreadWeaver::Thread::run (this=0x2682720) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fe49cc4cd05 in QThreadPrivate::start (arg=0x2682720) at thread/qthread_unix.cpp:331
#8  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fe494c04efc in start_thread (arg=0x7fe46f0a1700) at pthread_create.c:304
#10 0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe478952700 (LWP 6125)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe49cc4d1ab in wait (time=18446744073709551615, this=0x1008950) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfc63c0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe498a47864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfe6510, th=0x7437e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe498a49e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfcbfb0, th=0x7437e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe498a48ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fe478951d20, parent=0xfe6510, th=0x7437e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fe498a48d5b in ThreadWeaver::Thread::run (this=0x7437e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fe49cc4cd05 in QThreadPrivate::start (arg=0x7437e0) at thread/qthread_unix.cpp:331
#8  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fe494c04efc in start_thread (arg=0x7fe478952700) at pthread_create.c:304
#10 0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe472bf7700 (LWP 6126)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe49cc4d1ab in wait (time=18446744073709551615, this=0x1008950) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfc63c0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe498a47864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfe6510, th=0x16eb1c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe498a49e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfcbfb0, th=0x16eb1c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe498a48ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fe472bf6d20, parent=0xfe6510, th=0x16eb1c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fe498a48d5b in ThreadWeaver::Thread::run (this=0x16eb1c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fe49cc4cd05 in QThreadPrivate::start (arg=0x16eb1c0) at thread/qthread_unix.cpp:331
#8  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fe494c04efc in start_thread (arg=0x7fe472bf7700) at pthread_create.c:304
#10 0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe46cac9700 (LWP 6127)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe49cc4d1ab in wait (time=18446744073709551615, this=0x1008950) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfc63c0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe498a47864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfe6510, th=0x1c3f540) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe498a49e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfcbfb0, th=0x1c3f540) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe498a49e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0xfcbfb0, th=0x1c3f540) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fe498a48ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fe46cac8d20, parent=0xfe6510, th=0x1c3f540) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fe498a48d5b in ThreadWeaver::Thread::run (this=0x1c3f540) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fe49cc4cd05 in QThreadPrivate::start (arg=0x1c3f540) at thread/qthread_unix.cpp:331
#9  0x00007fe49141156c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fe494c04efc in start_thread (arg=0x7fe46cac9700) at pthread_create.c:304
#11 0x00007fe49fb7989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe4a028e7c0 (LWP 1905)):
[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=0x27b78c0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fe484ccb112 in WindowTaskItem::publishIconGeometry (this=0x270be80) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fe484cd9b7c in AbstractTaskItem::timerEvent (this=0x270be80, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007fe49cd4a789 in QObject::event (this=0x270be80, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007fe49c70289b in QGraphicsWidget::event (this=0x270be80, event=0x7fffe496eed0) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007fe49c0e4424 in notify_helper (e=0x7fffe496eed0, receiver=0x270be80, this=0x741340) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x741340, receiver=0x270be80, e=0x7fffe496eed0) at kernel/qapplication.cpp:4458
#15 0x00007fe49c0e9291 in QApplication::notify (this=0x721800, receiver=0x270be80, e=0x7fffe496eed0) at kernel/qapplication.cpp:4365
#16 0x00007fe49d9e2126 in KApplication::notify (this=0x721800, receiver=0x270be80, event=0x7fffe496eed0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fe49cd33afc in QCoreApplication::notifyInternal (this=0x721800, receiver=0x270be80, event=0x7fffe496eed0) at kernel/qcoreapplication.cpp:787
#18 0x00007fe49cd60d62 in sendEvent (event=0x7fffe496eed0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x73b150) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fe49cd5e538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007fe4940f7a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fe4940f8258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fe4940f8429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fe49cd5eed6 in QEventDispatcherGlib::processEvents (this=0x677f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007fe49c18c07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fe49cd32cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fe49cd32ef7 in QEventLoop::exec (this=0x7fffe496f160, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007fe49cd37789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007fe49fe781a3 in kdemain (argc=1, argv=0x7fffe496f548) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007fe49fab930d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffe496f548, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe496f538) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291664, bug 291642, bug 291620, bug 291619, bug 291610.

Reported using DrKonqi