Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
changed some settings in the systemtray widget when plasma suddenly crashed.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76f3720 (LWP 1944))]

Thread 3 (Thread 0xb03ffb70 (LWP 1945)):
#0  0x00e93416 in __kernel_vsyscall ()
#1  0x0032f4dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x001eddad in pthread_cond_wait () from /lib/libc.so.6
#3  0x04832877 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x49311a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x048328c1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x49311a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x0032acc9 in start_thread () from /lib/libpthread.so.0
#6  0x001e06ae in clone () from /lib/libc.so.6

Thread 2 (Thread 0xae72ab70 (LWP 1946)):
#0  0x0353ae36 in clock_gettime () from /lib/librt.so.1
#1  0x013b750b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x0148e6e5 in QTimerInfoList::updateCurrentTime (this=0x9376874) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0148e72a in QTimerInfoList::timerWait (this=0x9376874, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x0148c7a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xae72a0ac) at kernel/qeventdispatcher_glib.cpp:136
#6  0x0148c83d in timerSourcePrepare (source=0x0, timeout=0x353eff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0x03580e6a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x03581279 in ?? () from /lib/libglib-2.0.so.0
#9  0x03581848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x0148c59f in QEventDispatcherGlib::processEvents (this=0x93752d8, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x0145c609 in QEventLoop::processEvents (this=0xae72a280, flags=) at kernel/qeventloop.cpp:149
#12 0x0145ca8a in QEventLoop::exec (this=0xae72a280, flags=...) at kernel/qeventloop.cpp:201
#13 0x01358b7e in QThread::exec (this=0x92318d8) at thread/qthread.cpp:490
#14 0x0143b35b in QInotifyFileSystemWatcherEngine::run (this=0x92318d8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x0135bdf9 in QThreadPrivate::start (arg=0x92318d8) at thread/qthread_unix.cpp:266
#16 0x0032acc9 in start_thread () from /lib/libpthread.so.0
#17 0x001e06ae in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb76f3720 (LWP 1944)):
[KCrash Handler]
#7  0x01d7ec5a in QGraphicsLayoutItem::isLayout (this=0x95cd868) at graphicsview/qgraphicslayoutitem.cpp:804
#8  0x01d7dcad in QGraphicsLayoutPrivate::activateRecursive (this=0x95cd868, item=0x9c8adf8) at graphicsview/qgraphicslayout_p.cpp:189
#9  0x01d7d556 in QGraphicsLayout::activate (this=0x94d4260) at graphicsview/qgraphicslayout.cpp:261
#10 0x01d7d62c in QGraphicsLayout::widgetEvent (this=0x94d4260, e=0xa07bd98) at graphicsview/qgraphicslayout.cpp:369
#11 0x01dc713c in QGraphicsWidget::event (this=0x95104c8, event=0xa07bd98) at graphicsview/qgraphicswidget.cpp:1329
#12 0x016bdfdc in QApplicationPrivate::notify_helper (this=0x8d1b5e8, receiver=0x95104c8, e=0xa07bd98) at kernel/qapplication.cpp:4396
#13 0x016c404e in QApplication::notify (this=0x8d11740, receiver=0x95104c8, e=0xa07bd98) at kernel/qapplication.cpp:3798
#14 0x0111b68a in KApplication::notify (this=0x8d11740, receiver=0x95104c8, event=0xa07bd98) at ../../kdeui/kernel/kapplication.cpp:310
#15 0x0145db3b in QCoreApplication::notifyInternal (this=0x8d11740, receiver=0x95104c8, event=0xa07bd98) at kernel/qcoreapplication.cpp:732
#16 0x01460d8b in sendEvent (receiver=0x0, event_type=0, data=0x8cfb028) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8cfb028) at kernel/qcoreapplication.cpp:1373
#18 0x01460f4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#19 0x0148ca74 in sendPostedEvents (s=0x8d1d910) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#20 postEventSourceDispatch (s=0x8d1d910) at kernel/qeventdispatcher_glib.cpp:277
#21 0x0357d855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x03581668 in ?? () from /lib/libglib-2.0.so.0
#23 0x03581848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x0148c565 in QEventDispatcherGlib::processEvents (this=0x8cface8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#25 0x0177fbe5 in QGuiEventDispatcherGlib::processEvents (this=0x8cface8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x0145c609 in QEventLoop::processEvents (this=0xbf8c6044, flags=) at kernel/qeventloop.cpp:149
#27 0x0145ca8a in QEventLoop::exec (this=0xbf8c6044, flags=...) at kernel/qeventloop.cpp:201
#28 0x0146100f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#29 0x016bce07 in QApplication::exec () at kernel/qapplication.cpp:3672
#30 0x003bd86e in kdemain (argc=1, argv=0xbf8c6254) at ../../../../plasma/desktop/shell/main.cpp:118
#31 0x080485bb in main (argc=1, argv=0xbf8c6254) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 241685.

Possible duplicates by query: bug 259892, bug 259171, bug 257699, bug 257309, bug 257054.

Reported using DrKonqi