Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
plasma crashed while tuning on the setting "contrôle du materiel" (english : hardware control/check)
- Unusual behavior I noticed:
the screen got black for a few second, and the system recovered alone

-- Backtrace:
Application: Espace de travail Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7740720 (LWP 1801))]

Thread 3 (Thread 0xae9b9b70 (LWP 1805)):
#0  0x052ede36 in clock_gettime () from /lib/librt.so.1
#1  0x038fd50b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x039d46e5 in QTimerInfoList::updateCurrentTime (this=0xaf9239e4) at kernel/qeventdispatcher_unix.cpp:339
#4  0x039d472a in QTimerInfoList::timerWait (this=0xaf9239e4, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x039d27a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xae9b90ac) at kernel/qeventdispatcher_glib.cpp:136
#6  0x039d283d in timerSourcePrepare (source=0x0, timeout=0x52f1ff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0x01f01e6a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x01f02279 in ?? () from /lib/libglib-2.0.so.0
#9  0x01f02848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x039d259f in QEventDispatcherGlib::processEvents (this=0xaf986288, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x039a2609 in QEventLoop::processEvents (this=0xae9b9280, flags=) at kernel/qeventloop.cpp:149
#12 0x039a2a8a in QEventLoop::exec (this=0xae9b9280, flags=...) at kernel/qeventloop.cpp:201
#13 0x0389eb7e in QThread::exec (this=0x8e46a78) at thread/qthread.cpp:490
#14 0x0398135b in QInotifyFileSystemWatcherEngine::run (this=0x8e46a78) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x038a1df9 in QThreadPrivate::start (arg=0x8e46a78) at thread/qthread_unix.cpp:266
#16 0x0081dcc9 in start_thread () from /lib/libpthread.so.0
#17 0x00ccd69e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xacd77b70 (LWP 3190)):
#0  0x00898416 in __kernel_vsyscall ()
#1  0x00cbedf6 in poll () from /lib/libc.so.6
#2  0x01f0fa1b in g_poll () from /lib/libglib-2.0.so.0
#3  0x01f0243c in ?? () from /lib/libglib-2.0.so.0
#4  0x01f02ba7 in g_main_loop_run () from /lib/libglib-2.0.so.0
#5  0x048cd6b4 in ?? () from /usr/lib/libgio-2.0.so.0
#6  0x01f2948f in ?? () from /lib/libglib-2.0.so.0
#7  0x0081dcc9 in start_thread () from /lib/libpthread.so.0
#8  0x00ccd69e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7740720 (LWP 1801)):
[KCrash Handler]
#7  0x018fdc5a in QGraphicsLayoutItem::isLayout (this=0x8df7e98) at graphicsview/qgraphicslayoutitem.cpp:804
#8  0x018fccad in QGraphicsLayoutPrivate::activateRecursive (this=0x8df7e98, item=0x9a6c2d8) at graphicsview/qgraphicslayout_p.cpp:189
#9  0x018fc556 in QGraphicsLayout::activate (this=0x8dc44d8) at graphicsview/qgraphicslayout.cpp:261
#10 0x018fc62c in QGraphicsLayout::widgetEvent (this=0x8dc44d8, e=0x8b1a420) at graphicsview/qgraphicslayout.cpp:369
#11 0x0194613c in QGraphicsWidget::event (this=0x8da9370, event=0x8b1a420) at graphicsview/qgraphicswidget.cpp:1329
#12 0x0123cfdc in QApplicationPrivate::notify_helper (this=0x89f7d08, receiver=0x8da9370, e=0x8b1a420) at kernel/qapplication.cpp:4396
#13 0x0124304e in QApplication::notify (this=0x89ec740, receiver=0x8da9370, e=0x8b1a420) at kernel/qapplication.cpp:3798
#14 0x00f3268a in KApplication::notify (this=0x89ec740, receiver=0x8da9370, event=0x8b1a420) at ../../kdeui/kernel/kapplication.cpp:310
#15 0x039a3b3b in QCoreApplication::notifyInternal (this=0x89ec740, receiver=0x8da9370, event=0x8b1a420) at kernel/qcoreapplication.cpp:732
#16 0x039a6d8b in sendEvent (receiver=0x0, event_type=0, data=0x89d6028) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x89d6028) at kernel/qcoreapplication.cpp:1373
#18 0x039a6f4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#19 0x039d2a74 in sendPostedEvents (s=0x89fa110) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#20 postEventSourceDispatch (s=0x89fa110) at kernel/qeventdispatcher_glib.cpp:277
#21 0x01efe855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x01f02668 in ?? () from /lib/libglib-2.0.so.0
#23 0x01f02848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x039d2565 in QEventDispatcherGlib::processEvents (this=0x89d5ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#25 0x012febe5 in QGuiEventDispatcherGlib::processEvents (this=0x89d5ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x039a2609 in QEventLoop::processEvents (this=0xbff4bb84, flags=) at kernel/qeventloop.cpp:149
#27 0x039a2a8a in QEventLoop::exec (this=0xbff4bb84, flags=...) at kernel/qeventloop.cpp:201
#28 0x039a700f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#29 0x0123be07 in QApplication::exec () at kernel/qapplication.cpp:3672
#30 0x004f486e in kdemain (argc=1, argv=0xbff4bd94) at ../../../../plasma/desktop/shell/main.cpp:118
#31 0x080485bb in main (argc=1, argv=0xbff4bd94) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 261522, bug 260906, bug 259892, bug 259171, bug 257699.

Reported using DrKonqi