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 i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I was solveing the trouble of order of widgets on panel that appears every login by adding [LayoutOrder] in plasma-desktop-appletsrc mnually.
To look for resaults I kquit plasma-desktop and lounch it again.
First time it started. So I changed the order of widgets manually again, leaved widgets unlocked and kquit plasma-desktop again.
And it doesn't start Showed this crash.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76c1720 (LWP 5558))]

Thread 3 (Thread 0xb60e9b70 (LWP 5559)):
#0  0x00a03416 in __kernel_vsyscall ()
#1  0x00df5a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00eebcfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x063f69a9 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x063f69ef in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x00df1d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x00ede0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xb5377b70 (LWP 5560)):
#0  0x00df4d44 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00eebf54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x0983bc4f in g_main_context_iteration (context=0xa1f0bd0, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3153
#3  0x04299b37 in QEventDispatcherGlib::processEvents (this=0xa1f0ed0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x0426a1dd in QEventLoop::processEvents (this=0xb53772a0, flags=...) at kernel/qeventloop.cpp:149
#5  0x0426a421 in QEventLoop::exec (this=0xb53772a0, flags=...) at kernel/qeventloop.cpp:201
#6  0x0416d90b in QThread::exec (this=0xa1f0430) at thread/qthread.cpp:498
#7  0x0424ae2d in QInotifyFileSystemWatcherEngine::run (this=0xa1f0430) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x041707b3 in QThreadPrivate::start (arg=0xa1f0430) at thread/qthread_unix.cpp:331
#9  0x00df1d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0x00ede0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb76c1720 (LWP 5558)):
[KCrash Handler]
#7  QGraphicsLayoutItem::setParentLayoutItem (this=0xa381ff8, parent=0x0) at graphicsview/qgraphicslayoutitem.cpp:856
#8  0x023acf47 in QGraphicsGridLayout::removeAt (this=0xa007730, index=1) at graphicsview/qgraphicsgridlayout.cpp:583
#9  0x04f6a825 in SystemTray::TaskArea::relayoutHiddenTasks (this=0x9fa9050) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:422
#10 0x04f6ad34 in SystemTray::TaskArea::qt_metacall (this=0x9fa9050, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfc96fd4) at ./taskarea.moc:93
#11 0x04271b7d in metacall (argv=0xbfc96fd4, idx=27, cl=QMetaObject::InvokeMetaMethod, object=0x9fa9050) at kernel/qmetaobject.cpp:237
#12 QMetaObject::metacall (object=0x9fa9050, cl=QMetaObject::InvokeMetaMethod, idx=27, argv=0xbfc96fd4) at kernel/qmetaobject.cpp:232
#13 0x04280a6a in QMetaObject::activate (sender=0xa0191f8, m=0x43a25f8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3278
#14 0x042cf7d5 in QTimer::timeout (this=0xa0191f8) at .moc/release-shared/moc_qtimer.cpp:134
#15 0x04288286 in QTimer::timerEvent (this=0xa0191f8, e=0xbfc973cc) at kernel/qtimer.cpp:271
#16 0x04283994 in QObject::event (this=0xa0191f8, e=0xbfc973cc) at kernel/qobject.cpp:1181
#17 0x01d5ed54 in notify_helper (e=0xbfc973cc, receiver=0xa0191f8, this=0x9bd3900) at kernel/qapplication.cpp:4486
#18 QApplicationPrivate::notify_helper (this=0x9bd3900, receiver=0xa0191f8, e=0xbfc973cc) at kernel/qapplication.cpp:4458
#19 0x01d64103 in QApplication::notify (this=0xbfc973cc, receiver=0xa0191f8, e=0xbfc973cc) at kernel/qapplication.cpp:3886
#20 0x0119d681 in KApplication::notify (this=0x9b8ddf8, receiver=0xa0191f8, event=0xbfc973cc) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x0426b19e in QCoreApplication::notifyInternal (this=0x9b8ddf8, receiver=0xa0191f8, event=0xbfc973cc) at kernel/qcoreapplication.cpp:787
#22 0x0429bc10 in sendEvent (event=0xbfc973cc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QTimerInfoList::activateTimers (this=0x9bcfc4c) at kernel/qeventdispatcher_unix.cpp:603
#24 0x04299122 in timerSourceDispatch (source=0x9bcfc18) at kernel/qeventdispatcher_glib.cpp:184
#25 0x0983b25f in g_main_dispatch (context=0x9bcfa70) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
#26 g_main_context_dispatch (context=0x9bcfa70) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
#27 0x0983b990 in g_main_context_iterate (context=0x9bcfa70, block=159687456, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
#28 0x0983bc2a in g_main_context_iteration (context=0x9bcfa70, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#29 0x04299ada in QEventDispatcherGlib::processEvents (this=0x9b69248, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#30 0x01e16e3a in QGuiEventDispatcherGlib::processEvents (this=0x9b69248, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x0426a1dd in QEventLoop::processEvents (this=0xbfc97644, flags=...) at kernel/qeventloop.cpp:149
#32 0x0426a421 in QEventLoop::exec (this=0xbfc97644, flags=...) at kernel/qeventloop.cpp:201
#33 0x0426f19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#34 0x01d5c8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#35 0x0065f18b in kdemain (argc=1, argv=0xbfc97844) at ../../../../plasma/desktop/shell/main.cpp:120
#36 0x0804850b in main (argc=1, argv=0xbfc97844) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 251023.

Possible duplicates by query: bug 288096, bug 287387, bug 285813, bug 285799, bug 284705.

Reported using DrKonqi