Bug 266501

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: I was watching a youtube video when i asked youtube to pause the video so i have check my email i opened a new tab and my screen when black for about 3 seconds and then returned to normal.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb783f720 (LWP 1402))]

Thread 2 (Thread 0xaebb9b70 (LWP 1404)):
#0  0x03acbe36 in clock_gettime () from /lib/librt.so.1
#1  0x037b550b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x0388c6e5 in QTimerInfoList::updateCurrentTime (this=0xafb02c74) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0388c72a in QTimerInfoList::timerWait (this=0xafb02c74, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x0388a7a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaebb90ac) at kernel/qeventdispatcher_glib.cpp:136
#6  0x0388a83d in timerSourcePrepare (source=0x0, timeout=0x3acfff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0349ee6a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x0349f279 in ?? () from /lib/libglib-2.0.so.0
#9  0x0349f848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x0388a59f in QEventDispatcherGlib::processEvents (this=0xa6023f8, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x0385a609 in QEventLoop::processEvents (this=0xaebb9280, flags=) at kernel/qeventloop.cpp:149
#12 0x0385aa8a in QEventLoop::exec (this=0xaebb9280, flags=...) at kernel/qeventloop.cpp:201
#13 0x03756b7e in QThread::exec (this=0xa602360) at thread/qthread.cpp:490
#14 0x0383935b in QInotifyFileSystemWatcherEngine::run (this=0xa602360) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x03759df9 in QThreadPrivate::start (arg=0xa602360) at thread/qthread_unix.cpp:266
#16 0x001d5cc9 in start_thread () from /lib/libpthread.so.0
#17 0x00dc069e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb783f720 (LWP 1402)):
[KCrash Handler]
#7  QMutex::lock (this=0x37) at thread/qmutex.cpp:151
#8  0x0385e724 in QCoreApplication::postEvent (receiver=0xab953e0, event=0xacbcc78, priority=0) at kernel/qcoreapplication.cpp:1141
#9  0x0385eaac in QCoreApplication::postEvent (receiver=0xab953e0, event=0xacbcc78) at kernel/qcoreapplication.cpp:1094
#10 0x0386d2c4 in QObject::deleteLater (this=0xab953e0) at kernel/qobject.cpp:2131
#11 0x089acc1c in KJob::emitResult (this=0xab953e0) at ../../kdecore/jobs/kjob.cpp:315
#12 0x00a3a5a7 in Plasma::ServiceJob::setResult (this=0xab953e0, result=...) at ../../plasma/servicejob.cpp:80
#13 0x0867cd6d in StatusNotifierItemJob::contextMenuReady (this=0xab953e0, menu=0xa9261d0) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemjob.cpp:53
#14 0x0867cded in StatusNotifierItemJob::qt_metacall (this=0xab953e0, _c=QMetaObject::InvokeMetaMethod, _id=27, _a=0xbfc30a58) at ./statusnotifieritemjob.moc:75
#15 0x038618ca in QMetaObject::metacall (object=0xab953e0, cl=179917792, idx=27, argv=0xbfc30a58) at kernel/qmetaobject.cpp:237
#16 0x038746ad in QMetaObject::activate (sender=0xaaf3db0, m=0x8683c40, local_signal_index=0, argv=0xaae2380) at kernel/qobject.cpp:3280
#17 0x086760a3 in StatusNotifierItemSource::contextMenuReady (this=0xaaf3db0, _t1=0xa9261d0) at ./statusnotifieritemsource.moc:109
#18 0x086762b1 in StatusNotifierItemSource::contextMenuReady (this=0xaaf3db0) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemsource.cpp:369
#19 0x0867b803 in StatusNotifierItemSource::qt_metacall (this=0xaaf3db0, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbfc30b7c) at ./statusnotifieritemsource.moc:90
#20 0x038618ca in QMetaObject::metacall (object=0xaaf3db0, cl=179917792, idx=11, argv=0xbfc30b7c) at kernel/qmetaobject.cpp:237
#21 0x038746ad in QMetaObject::activate (sender=0xad2a6a8, m=0x873bd84, local_signal_index=0, argv=0xaae2380) at kernel/qobject.cpp:3280
#22 0x08726567 in DBusMenuImporter::menuUpdated() () from /usr/lib/libdbusmenu-qt.so.2
#23 0x0872bcdc in DBusMenuImporter::slotMenuAboutToShow() () from /usr/lib/libdbusmenu-qt.so.2
#24 0x0872cf2b in DBusMenuImporter::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libdbusmenu-qt.so.2
#25 0x038618ca in QMetaObject::metacall (object=0xad2a6a8, cl=179917792, idx=12, argv=0xbfc30dbc) at kernel/qmetaobject.cpp:237
#26 0x038746ad in QMetaObject::activate (sender=0xa9261d0, m=0x6ff6fe8, local_signal_index=0, argv=0xaae2380) at kernel/qobject.cpp:3280
#27 0x06b35ee7 in QMenu::aboutToShow (this=0xa9261d0) at .moc/release-shared/moc_qmenu.cpp:151
#28 0x06b3d193 in QMenu::qt_metacall (this=0xa9261d0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfc30f0c) at .moc/release-shared/moc_qmenu.cpp:97
#29 0x038618ca in QMetaObject::metacall (object=0xa9261d0, cl=179917792, idx=27, argv=0xbfc30f0c) at kernel/qmetaobject.cpp:237
#30 0x03865352 in QMetaMethod::invoke (this=0xbfc3109c, object=0xa9261d0, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1575
#31 0x03866a1f in QMetaObject::invokeMethod (obj=0xa9261d0, member=0x87323e1 "aboutToShow", type=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1148
#32 0x0872693e in DBusMenuImporter::updateMenu() () from /usr/lib/libdbusmenu-qt.so.2
#33 0x086776ef in StatusNotifierItemSource::contextMenu (this=0xaaf3db0, x=848, y=759) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemsource.cpp:474
#34 0x0867e33e in StatusNotifierItemJob::start (this=0xab953e0) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemjob.cpp:43
#35 0x00a3a423 in Plasma::ServiceJobPrivate::slotStart (this=0xab00678) at ../../plasma/servicejob.cpp:37
#36 0x00a3a4f4 in Plasma::ServiceJob::qt_metacall (this=0xab953e0, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0xa995660) at ./servicejob.moc:72
#37 0x0867cdca in StatusNotifierItemJob::qt_metacall (this=0xab953e0, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0xa995660) at ./statusnotifieritemjob.moc:70
#38 0x038618ca in QMetaObject::metacall (object=0xab953e0, cl=179917792, idx=26, argv=0xa995660) at kernel/qmetaobject.cpp:237
#39 0x0386cdf6 in QMetaCallEvent::placeMetaCall (this=0xaa878d0, object=0xab953e0) at kernel/qobject.cpp:534
#40 0x0386e6a2 in QObject::event (this=0xab953e0, e=0x4) at kernel/qobject.cpp:1219
#41 0x06671fdc in QApplicationPrivate::notify_helper (this=0x9f3a9c0, receiver=0xab953e0, e=0xaa878d0) at kernel/qapplication.cpp:4396
#42 0x0667804e in QApplication::notify (this=0x9f2c7e0, receiver=0xab953e0, e=0xaa878d0) at kernel/qapplication.cpp:3798
#43 0x0102568a in KApplication::notify (this=0x9f2c7e0, receiver=0xab953e0, event=0xaa878d0) at ../../kdeui/kernel/kapplication.cpp:310
#44 0x0385bb3b in QCoreApplication::notifyInternal (this=0x9f2c7e0, receiver=0xab953e0, event=0xaa878d0) at kernel/qcoreapplication.cpp:732
#45 0x0385ed8b in sendEvent (receiver=0x0, event_type=0, data=0x9f16028) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9f16028) at kernel/qcoreapplication.cpp:1373
#47 0x0385ef4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#48 0x0388aa74 in sendPostedEvents (s=0x9f3cd10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#49 postEventSourceDispatch (s=0x9f3cd10) at kernel/qeventdispatcher_glib.cpp:277
#50 0x0349b855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#51 0x0349f668 in ?? () from /lib/libglib-2.0.so.0
#52 0x0349f848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#53 0x0388a565 in QEventDispatcherGlib::processEvents (this=0x9f15ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#54 0x06733be5 in QGuiEventDispatcherGlib::processEvents (this=0x9f15ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#55 0x0385a609 in QEventLoop::processEvents (this=0xbfc31e74, flags=) at kernel/qeventloop.cpp:149
#56 0x0385aa8a in QEventLoop::exec (this=0xbfc31e74, flags=...) at kernel/qeventloop.cpp:201
#57 0x0385f00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#58 0x06670e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#59 0x003c286e in kdemain (argc=1, argv=0xbfc32084) at ../../../../plasma/desktop/shell/main.cpp:118
#60 0x080485bb in main (argc=1, argv=0xbfc32084) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 266160, bug 265970, bug 265722, bug 265687, bug 265659.

Reported using DrKonqi