Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
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 removing a panell
- Unusual behavior I noticed:
ihave two monitors, i activated both, but everything i restart the PC when i start the  PC, only one monitor work and don't appear any panel
- Custom settings of the application:
two monitors activated using nvidia-setting
i'm use oxygen-transparent
im use kde 4.7.4

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5b6e720 (LWP 2113))]

Thread 4 (Thread 0xaf84bb70 (LWP 2114)):
#0  0x034b6ddb in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00a2af14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x079240c3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x07924990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x07924c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x08527b37 in QEventDispatcherGlib::processEvents (this=0x96ec748, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x084f81dd in QEventLoop::processEvents (this=0xaf84b1f0, flags=...) at kernel/qeventloop.cpp:149
#7  0x084f8421 in QEventLoop::exec (this=0xaf84b1f0, flags=...) at kernel/qeventloop.cpp:201
#8  0x083fb90b in QThread::exec (this=0x96deb98) at thread/qthread.cpp:498
#9  0x084d8e2d in QInotifyFileSystemWatcherEngine::run (this=0x96deb98) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x083fe7b3 in QThreadPrivate::start (arg=0x96deb98) at thread/qthread_unix.cpp:331
#11 0x03742a9c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00000000 in ?? ()

Thread 3 (Thread 0xadad8b70 (LWP 2115)):
#0  0x034ccd10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x084557d5 in do_gettime (frac=0xadad7f60, sec=0xadad7f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x085284b6 in QTimerInfoList::updateCurrentTime (this=0x9897304) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0852880a in QTimerInfoList::timerWait (this=0x9897304, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x08527053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xadad806c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x085270ed in timerSourcePrepare (source=0x98972d0, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0792388c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x07924637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x07924c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x08527b37 in QEventDispatcherGlib::processEvents (this=0x9895bc8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x084f81dd in QEventLoop::processEvents (this=0xadad81f0, flags=...) at kernel/qeventloop.cpp:149
#12 0x084f8421 in QEventLoop::exec (this=0xadad81f0, flags=...) at kernel/qeventloop.cpp:201
#13 0x083fb90b in QThread::exec (this=0x986c080) at thread/qthread.cpp:498
#14 0x084d8e2d in QInotifyFileSystemWatcherEngine::run (this=0x986c080) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x083fe7b3 in QThreadPrivate::start (arg=0x986c080) at thread/qthread_unix.cpp:331
#16 0x03742a9c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x00000000 in ?? ()

Thread 2 (Thread 0xab856b70 (LWP 2123)):
#0  0x079237b2 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x07924637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x07924f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x05615cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#4  0x0794b5f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03742a9c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00000000 in ?? ()

Thread 1 (Thread 0xb5b6e720 (LWP 2113)):
[KCrash Handler]
#7  0x07310f97 in QGraphicsItem::isPanel (this=0xa328ca0) at graphicsview/qgraphicsitem.cpp:1780
#8  0x07357e28 in QGraphicsScene::event (this=0x8ee56e8, event=0x0) at graphicsview/qgraphicsscene.cpp:3490
#9  0x06cbcd54 in notify_helper (e=0xbf9f9a9c, receiver=0x8ee56e8, this=0x8e0ab80) at kernel/qapplication.cpp:4486
#10 QApplicationPrivate::notify_helper (this=0x8e0ab80, receiver=0x8ee56e8, e=0xbf9f9a9c) at kernel/qapplication.cpp:4458
#11 0x06cc2103 in QApplication::notify (this=0xbf9f9a9c, receiver=0x8ee56e8, e=0xbf9f9a9c) at kernel/qapplication.cpp:3886
#12 0x0111c971 in KApplication::notify (this=0x8dfdc50, receiver=0x8ee56e8, event=0xbf9f9a9c) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x084f919e in QCoreApplication::notifyInternal (this=0x8dfdc50, receiver=0x8ee56e8, event=0xbf9f9a9c) at kernel/qcoreapplication.cpp:787
#14 0x07379e6c in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#15 QGraphicsView::viewportEvent (this=0xac950d8, event=0xbf9f9a9c) at graphicsview/qgraphicsview.cpp:2767
#16 0x071b0ee6 in viewportEvent (this=<optimized out>, event=0xbf9f9a9c) at widgets/qabstractscrollarea_p.h:100
#17 eventFilter (e=0xbf9f9a9c, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#18 QAbstractScrollAreaFilter::eventFilter (this=0x96ab9a8, o=0xa819318, e=0xbf9f9a9c) at widgets/qabstractscrollarea_p.h:115
#19 0x084f9336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8e0ab80, receiver=0xa819318, event=0xbf9f9a9c) at kernel/qcoreapplication.cpp:902
#20 0x06cbcd22 in notify_helper (e=0xbf9f9a9c, receiver=0xa819318, this=0x8e0ab80) at kernel/qapplication.cpp:4482
#21 QApplicationPrivate::notify_helper (this=0x8e0ab80, receiver=0xa819318, e=0xbf9f9a9c) at kernel/qapplication.cpp:4458
#22 0x06cc21a8 in QApplication::notify (this=0x8e0ab80, receiver=0xa819318, e=0xbf9f9a9c) at kernel/qapplication.cpp:4451
#23 0x0111c971 in KApplication::notify (this=0x8dfdc50, receiver=0xa819318, event=0xbf9f9a9c) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x084f919e in QCoreApplication::notifyInternal (this=0x8dfdc50, receiver=0xa819318, event=0xbf9f9a9c) at kernel/qcoreapplication.cpp:787
#25 0x06d1760e in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QWidget::event (this=0xbf9f9a9c, event=0xbf9f9a9c) at kernel/qwidget.cpp:8551
#27 0x0711c235 in QFrame::event (this=0xac950d8, e=0xbf9f9a9c) at widgets/qframe.cpp:557
#28 0x071b0304 in QAbstractScrollArea::event (this=0xac950d8, e=0xbf9f9a9c) at widgets/qabstractscrollarea.cpp:996
#29 0x0736c248 in QGraphicsView::event (this=0xac950d8, event=0xbf9f9a9c) at graphicsview/qgraphicsview.cpp:2741
#30 0x06cbcd54 in notify_helper (e=0xbf9f9a9c, receiver=0xac950d8, this=0x8e0ab80) at kernel/qapplication.cpp:4486
#31 QApplicationPrivate::notify_helper (this=0x8e0ab80, receiver=0xac950d8, e=0xbf9f9a9c) at kernel/qapplication.cpp:4458
#32 0x06cc21a8 in QApplication::notify (this=0x8e0ab80, receiver=0xac950d8, e=0xbf9f9a9c) at kernel/qapplication.cpp:4451
#33 0x0111c971 in KApplication::notify (this=0x8dfdc50, receiver=0xac950d8, event=0xbf9f9a9c) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x084f919e in QCoreApplication::notifyInternal (this=0x8dfdc50, receiver=0xac950d8, event=0xbf9f9a9c) at kernel/qcoreapplication.cpp:787
#35 0x06cc0b84 in sendSpontaneousEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#36 QApplication::setActiveWindow (act=0x0) at kernel/qapplication.cpp:2624
#37 0x06d49419 in QApplication::x11ProcessEvent (this=0x8dfdc50, event=0xbf9f9ddc) at kernel/qapplication_x11.cpp:3609
#38 0x06d7524c in x11EventSourceDispatch (s=0x8e148a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#39 0x0792425f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#40 0x07924990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0x07924c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0x08527ada in QEventDispatcherGlib::processEvents (this=0x8d71218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#43 0x06d74e3a in QGuiEventDispatcherGlib::processEvents (this=0x8d71218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#44 0x084f81dd in QEventLoop::processEvents (this=0xbf9fa0e4, flags=...) at kernel/qeventloop.cpp:149
#45 0x084f8421 in QEventLoop::exec (this=0xbf9fa0e4, flags=...) at kernel/qeventloop.cpp:201
#46 0x084fd19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#47 0x06cba8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#48 0x00b3718b in kdemain (argc=1, argv=0xbf9fa2e4) at ../../../../plasma/desktop/shell/main.cpp:120
#49 0x0804850b in main (argc=1, argv=0xbf9fa2e4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 226152, bug 236640.

Possible duplicates by query: bug 289110, bug 288512, bug 288483, bug 285640, bug 285375.

Reported using DrKonqi