Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I just cliked prompt shutdown system.
- Unusual behavior I noticed:
Plasma desktop just crash. I saw crash raport summary. After few second, desktop just back to default. I used long time Kadu IM. Just all.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Powłoka pulpitu Plazmy (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7823b20 (LWP 1652))]

Thread 8 (Thread 0xb1573b70 (LWP 1654)):
#0  0x0722ad10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x043857d5 in do_gettime (frac=0xb1573010, sec=0xb1573008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x044584b6 in QTimerInfoList::updateCurrentTime (this=0xb0c01a7c) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0445880a in QTimerInfoList::timerWait (this=0xb0c01a7c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x04457053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb157311c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x044570ed in timerSourcePrepare (source=0xb0c01a48, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0796688c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x07967637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x07967c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x04457b37 in QEventDispatcherGlib::processEvents (this=0x9cf4fd8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x044281dd in QEventLoop::processEvents (this=0xb15732a0, flags=...) at kernel/qeventloop.cpp:149
#12 0x04428421 in QEventLoop::exec (this=0xb15732a0, flags=...) at kernel/qeventloop.cpp:201
#13 0x0432b90b in QThread::exec (this=0x9cf2978) at thread/qthread.cpp:498
#14 0x04408e2d in QInotifyFileSystemWatcherEngine::run (this=0x9cf2978) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x0432e7b3 in QThreadPrivate::start (arg=0x9cf2978) at thread/qthread_unix.cpp:331
#16 0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 7 (Thread 0xafa59b70 (LWP 1655)):
#0  0x003070c7 in ?? () from /lib/i386-linux-gnu/libc.so.6
#1  0x002ea3f7 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0797634b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x07967896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x07967c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04457b37 in QEventDispatcherGlib::processEvents (this=0x9e96908, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x044281dd in QEventLoop::processEvents (this=0xafa592a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x04428421 in QEventLoop::exec (this=0xafa592a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0432b90b in QThread::exec (this=0x9e7dfa8) at thread/qthread.cpp:498
#9  0x04408e2d in QInotifyFileSystemWatcherEngine::run (this=0x9e7dfa8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x0432e7b3 in QThreadPrivate::start (arg=0x9e7dfa8) at thread/qthread_unix.cpp:331
#11 0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 6 (Thread 0xad7d7b70 (LWP 1663)):
#0  0x042b0ddf in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00306f14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x07967723 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x07967f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x052cacea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0x0798e5f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 5 (Thread 0xacd7eb70 (LWP 4187)):
#0  0x008ef416 in __kernel_vsyscall ()
#1  0x042b2a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00306cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0432ecc0 in wait (time=4294967295, this=0x9d44f10) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9d64a90, mutex=0x9d149f0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008d8406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9d64a78, th=0x9c26a58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008daecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d2ea20, th=0x9c26a58) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008d803a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9d64a78, th=0x9c26a58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008dafcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d2ea20, th=0x9c26a58) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008d7f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9d64a78, th=0x9c26a58, previous=0xab9ff48) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008d9b14 in ThreadWeaver::ThreadRunHelper::run (this=0xacd7e304, parent=0x9d64a78, th=0x9c26a58) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008d9bca in ThreadWeaver::Thread::run (this=0x9c26a58) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0432e7b3 in QThreadPrivate::start (arg=0x9c26a58) at thread/qthread_unix.cpp:331
#13 0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xae7d9b70 (LWP 4188)):
#0  0x008ef416 in __kernel_vsyscall ()
#1  0x042b2a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00306cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0432ecc0 in wait (time=4294967295, this=0x9d44f10) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9d64a90, mutex=0x9d149f0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008d8406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9d64a78, th=0x9c22968) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008daecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d2ea20, th=0x9c22968) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008d803a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9d64a78, th=0x9c22968) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008dafcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d2ea20, th=0x9c22968) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008d7f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9d64a78, th=0x9c22968, previous=0xb003178) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008d9b14 in ThreadWeaver::ThreadRunHelper::run (this=0xae7d9304, parent=0x9d64a78, th=0x9c22968) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008d9bca in ThreadWeaver::Thread::run (this=0x9c22968) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0432e7b3 in QThreadPrivate::start (arg=0x9c22968) at thread/qthread_unix.cpp:331
#13 0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xadfd8b70 (LWP 4189)):
#0  0x008ef416 in __kernel_vsyscall ()
#1  0x042b2a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00306cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0432ecc0 in wait (time=4294967295, this=0x9d44f10) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9d64a90, mutex=0x9d149f0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008d8406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9d64a78, th=0xa025ca0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008daecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d2ea20, th=0xa025ca0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008d803a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9d64a78, th=0xa025ca0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008dafcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d2ea20, th=0xa025ca0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008d7f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9d64a78, th=0xa025ca0, previous=0xaa7c0e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008d9b14 in ThreadWeaver::ThreadRunHelper::run (this=0xadfd8304, parent=0x9d64a78, th=0xa025ca0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008d9bca in ThreadWeaver::Thread::run (this=0xa025ca0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0432e7b3 in QThreadPrivate::start (arg=0xa025ca0) at thread/qthread_unix.cpp:331
#13 0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xabb6eb70 (LWP 4190)):
#0  0x008ef416 in __kernel_vsyscall ()
#1  0x042b2a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00306cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0432ecc0 in wait (time=4294967295, this=0x9d44f10) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9d64a90, mutex=0x9d149f0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008d8406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9d64a78, th=0x9748ff8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008daecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d2ea20, th=0x9748ff8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008d803a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9d64a78, th=0x9748ff8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008dafcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d2ea20, th=0x9748ff8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008d7f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9d64a78, th=0x9748ff8, previous=0xad61f88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008d9b14 in ThreadWeaver::ThreadRunHelper::run (this=0xabb6e304, parent=0x9d64a78, th=0x9748ff8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008d9bca in ThreadWeaver::Thread::run (this=0x9748ff8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0432e7b3 in QThreadPrivate::start (arg=0x9748ff8) at thread/qthread_unix.cpp:331
#13 0x042aed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x002f90ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb7823b20 (LWP 1652)):
[KCrash Handler]
#7  0x0681d1f5 in vtable for QGraphicsLayoutItem () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#8  0x0029007b in ?? () from /lib/i386-linux-gnu/libc.so.6
#9  0x0409a96f in TaskGroupItem::~TaskGroupItem (this=0xbaae538, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#10 0x0409aa52 in TaskGroupItem::~TaskGroupItem (this=0xbaae538, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:84
#11 0x0443c5f3 in qDeleteInEventHandler (o=0xbaae538) at kernel/qobject.cpp:3986
#12 0x04441b80 in QObject::event (this=0xbaae538, e=0xa59d9f0) at kernel/qobject.cpp:1200
#13 0x06583bd4 in QGraphicsWidget::event (this=0xbaae538, event=0xa59d9f0) at graphicsview/qgraphicswidget.cpp:1455
#14 0x05ec4d54 in notify_helper (e=0xa59d9f0, receiver=0xbaae538, this=0x96c8f50) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x96c8f50, receiver=0xbaae538, e=0xa59d9f0) at kernel/qapplication.cpp:4458
#16 0x05eca103 in QApplication::notify (this=0xa59d9f0, receiver=0xbaae538, e=0xa59d9f0) at kernel/qapplication.cpp:3886
#17 0x01185681 in KApplication::notify (this=0x96bd530, receiver=0xbaae538, event=0xa59d9f0) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x0442919e in QCoreApplication::notifyInternal (this=0x96bd530, receiver=0xbaae538, event=0xa59d9f0) at kernel/qcoreapplication.cpp:787
#19 0x0442cf93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x96782e0) at kernel/qcoreapplication.cpp:1428
#21 0x0442d0ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=52) at kernel/qcoreapplication.cpp:1321
#22 0x0442d1d3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#23 0x05ec28f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#24 0x00ed418b in kdemain (argc=1, argv=0xbfe137d4) at ../../../../plasma/desktop/shell/main.cpp:120
#25 0x0804850b in main (argc=1, argv=0xbfe137d4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 285045.

Possible duplicates by query: bug 285045, bug 279613.

Reported using DrKonqi