Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

I tried to add plasmoid Smooth Tasks to taskbar. In second time crash did not happen, now plasmoid workin fine. My system is Ubuntu with installed KDE4.
Sorry for my English.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5e87720 (LWP 23722))]

Thread 8 (Thread 0xaeaa5b70 (LWP 23726)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x00244f76 in __poll (fds=0xae101d18, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x06cd184b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x06cc11af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x06cc1524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04885577 in QEventDispatcherGlib::processEvents (this=0xae100468, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x04857289 in QEventLoop::processEvents (this=0xaeaa5280, flags=...) at kernel/qeventloop.cpp:149
#7  0x04857522 in QEventLoop::exec (this=0xaeaa5280, flags=...) at kernel/qeventloop.cpp:201
#8  0x047612a0 in QThread::exec (this=0x9c37ce8) at thread/qthread.cpp:492
#9  0x04838fdb in QInotifyFileSystemWatcherEngine::run (this=0x9c37ce8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x04763da2 in QThreadPrivate::start (arg=0x9c37ce8) at thread/qthread_unix.cpp:320
#11 0x0976fe99 in start_thread (arg=0xaeaa5b70) at pthread_create.c:304
#12 0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xad0fdb70 (LWP 24934)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x0977448c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x002613fd in __pthread_cond_wait (cond=0x9f4b398, mutex=0x9f4b380) at forward.c:139
#3  0x04764467 in wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008ea7e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9f4cf40, th=0xaa1fe40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008ed47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9f26f70, th=0xaa1fe40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008ea42b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9f4cf40, th=0xaa1fe40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008ed56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9f26f70, th=0xaa1fe40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008ea373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9f4cf40, th=0xaa1fe40, previous=0xac75c48) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008ebf9e in ThreadWeaver::ThreadRunHelper::run (this=0xad0fd2e4, parent=0x9f4cf40, th=0xaa1fe40) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008ec05b in ThreadWeaver::Thread::run (this=0xaa1fe40) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x04763da2 in QThreadPrivate::start (arg=0xaa1fe40) at thread/qthread_unix.cpp:320
#13 0x0976fe99 in start_thread (arg=0xad0fdb70) at pthread_create.c:304
#14 0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xae0ffb70 (LWP 24935)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x0977448c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x002613fd in __pthread_cond_wait (cond=0x9f4b398, mutex=0x9f4b380) at forward.c:139
#3  0x04764467 in wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008ea7e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9f4cf40, th=0xa9d1130) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008ed47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9f26f70, th=0xa9d1130) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008ea42b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9f4cf40, th=0xa9d1130) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008ed56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9f26f70, th=0xa9d1130) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008ea373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9f4cf40, th=0xa9d1130, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008ed589 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9f26f70, th=0xa9d1130) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x008ea373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9f4cf40, th=0xa9d1130, previous=0xad20240) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x008ebf9e in ThreadWeaver::ThreadRunHelper::run (this=0xae0ff2e4, parent=0x9f4cf40, th=0xa9d1130) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x008ec05b in ThreadWeaver::Thread::run (this=0xa9d1130) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x04763da2 in QThreadPrivate::start (arg=0xa9d1130) at thread/qthread_unix.cpp:320
#15 0x0976fe99 in start_thread (arg=0xae0ffb70) at pthread_create.c:304
#16 0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xa566cb70 (LWP 24936)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x0977448c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x002613fd in __pthread_cond_wait (cond=0x9f4b398, mutex=0x9f4b380) at forward.c:139
#3  0x04764467 in wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008ea7e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9f4cf40, th=0xaa3e838) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008ed47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9f26f70, th=0xaa3e838) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008ea42b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9f4cf40, th=0xaa3e838) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008ed56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9f26f70, th=0xaa3e838) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008ea373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9f4cf40, th=0xaa3e838, previous=0xac706e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008ebf9e in ThreadWeaver::ThreadRunHelper::run (this=0xa566c2e4, parent=0x9f4cf40, th=0xaa3e838) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008ec05b in ThreadWeaver::Thread::run (this=0xaa3e838) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x04763da2 in QThreadPrivate::start (arg=0xaa3e838) at thread/qthread_unix.cpp:320
#13 0x0976fe99 in start_thread (arg=0xa566cb70) at pthread_create.c:304
#14 0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa4e6bb70 (LWP 24937)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x0977448c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x002613fd in __pthread_cond_wait (cond=0x9f4b398, mutex=0x9f4b380) at forward.c:139
#3  0x04764467 in wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9f4cf58, mutex=0x9f328a0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008ea7e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9f4cf40, th=0xa930ce8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008ed47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9f26f70, th=0xa930ce8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008ea42b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9f4cf40, th=0xa930ce8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008ed56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9f26f70, th=0xa930ce8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008ea373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9f4cf40, th=0xa930ce8, previous=0xa7bea30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008ebf9e in ThreadWeaver::ThreadRunHelper::run (this=0xa4e6b2e4, parent=0x9f4cf40, th=0xa930ce8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008ec05b in ThreadWeaver::Thread::run (this=0xa930ce8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x04763da2 in QThreadPrivate::start (arg=0xa930ce8) at thread/qthread_unix.cpp:320
#13 0x0976fe99 in start_thread (arg=0xa4e6bb70) at pthread_create.c:304
#14 0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa0bb1b70 (LWP 28159)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x0977448c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x002613fd in __pthread_cond_wait (cond=0x2de97f0, mutex=0x2de97d8) at forward.c:139
#3  0x02833b57 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x0976fe99 in start_thread (arg=0xa0bb1b70) at pthread_create.c:304
#5  0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa3ba8b70 (LWP 28174)):
#0  0x00ae5416 in __kernel_vsyscall ()
#1  0x0977448c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x002613fd in __pthread_cond_wait (cond=0x148d2b0, mutex=0x148d298) at forward.c:139
#3  0x01374817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x14881c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x01374851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x14881c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x0976fe99 in start_thread (arg=0xa3ba8b70) at pthread_create.c:304
#6  0x0025373e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb5e87720 (LWP 23722)):
[KCrash Handler]
#7  QMutex::lock (this=0x10027) at thread/qmutex.cpp:151
#8  0x0485b1b0 in QCoreApplication::postEvent (receiver=0xa86a498, event=0xb5e3028, priority=0) at kernel/qcoreapplication.cpp:1140
#9  0x0485b4cc in QCoreApplication::postEvent (receiver=0xa86a498, event=0xb5e3028) at kernel/qcoreapplication.cpp:1093
#10 0x0486a2a4 in QObject::deleteLater (this=0xa86a498) at kernel/qobject.cpp:2138
#11 0x08e36f10 in QX11Data::xdndHandleFinished (this=0x990cb40, xe=0xbfc52a2c, passive=false) at kernel/qdnd_x11.cpp:1254
#12 0x08e28996 in QApplication::x11ClientMessage (this=0x98fe940, w=0xab3d2e0, event=0xbfc52a2c, passive_only=false) at kernel/qapplication_x11.cpp:3192
#13 0x08e2697d in QApplication::x11ProcessEvent (this=0x98fe940, event=0xbfc52a2c) at kernel/qapplication_x11.cpp:3817
#14 0x08e51b84 in x11EventSourceDispatch (s=0x990c5a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#15 0x06cc0aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0x06cc1270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#17 0x06cc1524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#18 0x0488553c in QEventDispatcherGlib::processEvents (this=0x9895aa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#19 0x08e51775 in QGuiEventDispatcherGlib::processEvents (this=0x9895aa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#20 0x04857289 in QEventLoop::processEvents (this=0xbfc52cf4, flags=...) at kernel/qeventloop.cpp:149
#21 0x04857522 in QEventLoop::exec (this=0xbfc52cf4, flags=...) at kernel/qeventloop.cpp:201
#22 0x0485becc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#23 0x08d9b8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#24 0x0092c5a5 in kdemain (argc=1, argv=0xbfc52f04) at ../../../../plasma/desktop/shell/main.cpp:118
#25 0x080485cb in main (argc=1, argv=0xbfc52f04) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 182511.

Possible duplicates by query: bug 275038, bug 271844, bug 271539, bug 270993, bug 270912.

Reported using DrKonqi