Bug 320744

Application: plasma-desktop (4.10.3)
KDE Platform Version: 4.10.3
Qt Version: 4.8.4
Operating System: Linux 3.8.0-23-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
I was starting an application (synaptics) when plasma crashed

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd6860797c0 (LWP 1914))]

Thread 5 (Thread 0x7fd66735e700 (LWP 1916)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd67ed9fe77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fd67ed9fea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fd67949af8e in start_thread (arg=0x7fd66735e700) at pthread_create.c:311
#4  0x00007fd68595ce1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fd65e744700 (LWP 1920)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x7fd658000a60, decr=1) at pthread_mutex_unlock.c:36
#1  0x00007fd678dd75f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd678d980f1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd678d98304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd68253c036 in QEventDispatcherGlib::processEvents (this=0x7fd6580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fd68250c38f in QEventLoop::processEvents (this=this@entry=0x7fd65e743d90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fd68250c618 in QEventLoop::exec (this=this@entry=0x7fd65e743d90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fd68240e410 in QThread::exec (this=this@entry=0x2af40c0) at thread/qthread.cpp:542
#8  0x00007fd6824ededf in QInotifyFileSystemWatcherEngine::run (this=0x2af40c0) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007fd682410bec in QThreadPrivate::start (arg=0x2af40c0) at thread/qthread_unix.cpp:338
#10 0x00007fd67949af8e in start_thread (arg=0x7fd65e744700) at pthread_create.c:311
#11 0x00007fd68595ce1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fd64ffff700 (LWP 1923)):
#0  0x00007fd68594eb0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd678dd66cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd678d97d3c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd678d98175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd678d98304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd68253c036 in QEventDispatcherGlib::processEvents (this=0x7fd6480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fd68250c38f in QEventLoop::processEvents (this=this@entry=0x7fd64fffed90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fd68250c618 in QEventLoop::exec (this=this@entry=0x7fd64fffed90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fd68240e410 in QThread::exec (this=this@entry=0x30ba9e0) at thread/qthread.cpp:542
#9  0x00007fd6824ededf in QInotifyFileSystemWatcherEngine::run (this=0x30ba9e0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007fd682410bec in QThreadPrivate::start (arg=0x30ba9e0) at thread/qthread_unix.cpp:338
#11 0x00007fd67949af8e in start_thread (arg=0x7fd64ffff700) at pthread_create.c:311
#12 0x00007fd68595ce1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fd646a40700 (LWP 1925)):
#0  0x00007fff09bfe70a in ?? ()
#1  0x00007fd646a3fa90 in ?? ()
#2  0x00007fff09bfeac9 in ?? ()
#3  0x00007fd646a3fae0 in ?? ()
#4  0x0000000102288bc0 in ?? ()
#5  0x00007fd63c002660 in ?? ()
#6  0x00007fd646a3fb70 in ?? ()
#7  0x00007fd646a3fc28 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd6860797c0 (LWP 1914)):
[KCrash Handler]
#6  0x00007fd669576652 in agiName (i=i@entry=0x2fa4e60) at ../../../applets/icontasks/taskgroupitem.cpp:1260
#7  0x00007fd669577942 in TaskGroupItem::matchingItem (this=<optimized out>, from=from@entry=0x2fa4e30) at ../../../applets/icontasks/taskgroupitem.cpp:1278
#8  0x00007fd669573a8d in AbstractTaskItem::paint (this=0x5a05d60, painter=0x7fff09b6b9d0, option=0x23a4688) at ../../../applets/icontasks/abstracttaskitem.cpp:1232
#9  0x00007fd681e97a29 in _q_paintItem (item=item@entry=0x5a05d70, painter=painter@entry=0x7fff09b6b9d0, option=option@entry=0x23a4688, widget=widget@entry=0x2f24950, useWindowOpacity=useWindowOpacity@entry=true, painterStateProtection=painterStateProtection@entry=true) at graphicsview/qgraphicsscene.cpp:4335
#10 0x00007fd681ea7615 in QGraphicsScenePrivate::drawItemHelper (this=this@entry=0x23a4460, item=item@entry=0x5a05d70, painter=painter@entry=0x7fff09b6b9d0, option=option@entry=0x23a4688, widget=widget@entry=0x2f24950, painterStateProtection=<optimized out>) at graphicsview/qgraphicsscene.cpp:4431
#11 0x00007fd681ea9fb0 in QGraphicsScenePrivate::draw (this=this@entry=0x23a4460, item=item@entry=0x5a05d70, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, transformPtr=transformPtr@entry=0x7fff09b6a830, exposedRegion=exposedRegion@entry=0x2f21c78, widget=0x2f24950, opacity=opacity@entry=1, effectTransform=effectTransform@entry=0x0, wasDirtyParentSceneTransform=wasDirtyParentSceneTransform@entry=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4966
#12 0x00007fd681eaa685 in QGraphicsScenePrivate::drawSubtreeRecursive (this=this@entry=0x23a4460, item=0x5a05d70, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, exposedRegion=exposedRegion@entry=0x2f21c78, widget=widget@entry=0x2f24950, parentOpacity=parentOpacity@entry=1, effectTransform=effectTransform@entry=0x0) at graphicsview/qgraphicsscene.cpp:4857
#13 0x00007fd681ea9b15 in QGraphicsScenePrivate::draw (this=this@entry=0x23a4460, item=item@entry=0x2b22f70, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, transformPtr=transformPtr@entry=0x7fff09b6acf0, exposedRegion=exposedRegion@entry=0x2f21c78, widget=0x2f24950, opacity=opacity@entry=1, effectTransform=effectTransform@entry=0x0, wasDirtyParentSceneTransform=wasDirtyParentSceneTransform@entry=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4996
#14 0x00007fd681eaa685 in QGraphicsScenePrivate::drawSubtreeRecursive (this=this@entry=0x23a4460, item=0x2b22f70, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, exposedRegion=exposedRegion@entry=0x2f21c78, widget=widget@entry=0x2f24950, parentOpacity=parentOpacity@entry=1, effectTransform=effectTransform@entry=0x0) at graphicsview/qgraphicsscene.cpp:4857
#15 0x00007fd681ea9b15 in QGraphicsScenePrivate::draw (this=this@entry=0x23a4460, item=item@entry=0x2538530, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, transformPtr=transformPtr@entry=0x7fff09b6b1b0, exposedRegion=exposedRegion@entry=0x2f21c78, widget=0x2f24950, opacity=opacity@entry=1, effectTransform=effectTransform@entry=0x0, wasDirtyParentSceneTransform=wasDirtyParentSceneTransform@entry=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4996
#16 0x00007fd681eaa685 in QGraphicsScenePrivate::drawSubtreeRecursive (this=this@entry=0x23a4460, item=0x2538530, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, exposedRegion=exposedRegion@entry=0x2f21c78, widget=widget@entry=0x2f24950, parentOpacity=parentOpacity@entry=1, effectTransform=effectTransform@entry=0x0) at graphicsview/qgraphicsscene.cpp:4857
#17 0x00007fd681ea9b15 in QGraphicsScenePrivate::draw (this=this@entry=0x23a4460, item=item@entry=0x2528150, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, transformPtr=transformPtr@entry=0x7fff09b6b670, exposedRegion=exposedRegion@entry=0x2f21c78, widget=0x2f24950, opacity=opacity@entry=1, effectTransform=effectTransform@entry=0x0, wasDirtyParentSceneTransform=wasDirtyParentSceneTransform@entry=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4996
#18 0x00007fd681eaa685 in QGraphicsScenePrivate::drawSubtreeRecursive (this=this@entry=0x23a4460, item=0x2528150, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, exposedRegion=exposedRegion@entry=0x2f21c78, widget=widget@entry=0x2f24950, parentOpacity=parentOpacity@entry=1, effectTransform=effectTransform@entry=0x0) at graphicsview/qgraphicsscene.cpp:4857
#19 0x00007fd681eab16e in QGraphicsScenePrivate::drawItems (this=0x23a4460, painter=painter@entry=0x7fff09b6b9d0, viewTransform=viewTransform@entry=0x7fff09b6bb60, exposedRegion=exposedRegion@entry=0x2f21c78, widget=0x2f24950) at graphicsview/qgraphicsscene.cpp:4739
#20 0x00007fd681ec7ae8 in QGraphicsView::paintEvent (this=0x2f21710, event=<optimized out>) at graphicsview/qgraphicsview.cpp:3471
#21 0x00007fd681900a3e in QWidget::event (this=this@entry=0x2f21710, event=event@entry=0x7fff09b6c620) at kernel/qwidget.cpp:8532
#22 0x00007fd681cb3316 in QFrame::event (this=0x2f21710, e=0x7fff09b6c620) at widgets/qframe.cpp:557
#23 0x00007fd681ecb0db in QGraphicsView::viewportEvent (this=0x2f21710, event=0x7fff09b6c620) at graphicsview/qgraphicsview.cpp:2866
#24 0x00007fd68250d7a6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x22a4170, receiver=receiver@entry=0x2f24950, event=event@entry=0x7fff09b6c620) at kernel/qcoreapplication.cpp:1056
#25 0x00007fd6818b38bc in QApplicationPrivate::notify_helper (this=this@entry=0x22a4170, receiver=receiver@entry=0x2f24950, e=e@entry=0x7fff09b6c620) at kernel/qapplication.cpp:4563
#26 0x00007fd6818b625b in QApplication::notify (this=this@entry=0x2288bc0, receiver=receiver@entry=0x2f24950, e=e@entry=0x7fff09b6c620) at kernel/qapplication.cpp:4428
#27 0x00007fd6831d1af6 in KApplication::notify (this=0x2288bc0, receiver=0x2f24950, event=0x7fff09b6c620) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007fd68250d63e in QCoreApplication::notifyInternal (this=0x2288bc0, receiver=receiver@entry=0x2f24950, event=event@entry=0x7fff09b6c620) at kernel/qcoreapplication.cpp:946
#29 0x00007fd6819056b4 in sendSpontaneousEvent (event=0x7fff09b6c620, receiver=0x2f24950) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#30 QWidgetPrivate::drawWidget (this=this@entry=0x3dc5000, pdev=pdev@entry=0x3e5b120, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0x2f24a10) at kernel/qwidget.cpp:5598
#31 0x00007fd6819061af in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2f217f0, pdev=pdev@entry=0x3e5b120, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0x2f24a10) at kernel/qwidget.cpp:5807
#32 0x00007fd681905243 in QWidgetPrivate::drawWidget (this=0x2f217f0, pdev=0x3e5b120, rgn=..., offset=..., flags=flags@entry=5, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0x2f24a10) at kernel/qwidget.cpp:5651
#33 0x00007fd681acafb8 in QWidgetBackingStore::sync (this=0x2f24a10) at painting/qbackingstore.cpp:1373
#34 0x00007fd6818f4060 in QWidgetPrivate::syncBackingStore (this=this@entry=0x2f217f0) at kernel/qwidget.cpp:1896
#35 0x00007fd681900ee4 in QWidget::event (this=this@entry=0x2f21710, event=event@entry=0x5daed50) at kernel/qwidget.cpp:8679
#36 0x00007fd681cb3316 in QFrame::event (this=this@entry=0x2f21710, e=e@entry=0x5daed50) at widgets/qframe.cpp:557
#37 0x00007fd681d338db in QAbstractScrollArea::event (this=0x2f21710, e=0x5daed50) at widgets/qabstractscrollarea.cpp:996
#38 0x00007fd6818b38ec in QApplicationPrivate::notify_helper (this=this@entry=0x22a4170, receiver=receiver@entry=0x2f21710, e=e@entry=0x5daed50) at kernel/qapplication.cpp:4567
#39 0x00007fd6818b625b in QApplication::notify (this=this@entry=0x2288bc0, receiver=receiver@entry=0x2f21710, e=e@entry=0x5daed50) at kernel/qapplication.cpp:4428
#40 0x00007fd6831d1af6 in KApplication::notify (this=0x2288bc0, receiver=0x2f21710, event=0x5daed50) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007fd68250d63e in QCoreApplication::notifyInternal (this=0x2288bc0, receiver=receiver@entry=0x2f21710, event=event@entry=0x5daed50) at kernel/qcoreapplication.cpp:946
#42 0x00007fd682511171 in sendEvent (event=0x5daed50, receiver=0x2f21710) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#43 QCoreApplicationPrivate::sendPostedEvents (receiver=0x2f21710, event_type=event_type@entry=77, data=0x221d1f0) at kernel/qcoreapplication.cpp:1570
#44 0x00007fd6825114a3 in QCoreApplication::sendPostedEvents (receiver=<optimized out>, event_type=event_type@entry=77) at kernel/qcoreapplication.cpp:1463
#45 0x00007fd681ea09f2 in dispatchPendingUpdateRequests (this=0x2f217f0) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:200
#46 QGraphicsScenePrivate::_q_processDirtyItems (this=0x23a4460) at graphicsview/qgraphicsscene.cpp:515
#47 0x00007fd681eadc99 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at .moc/release-shared/moc_qgraphicsscene.cpp:107
#48 QGraphicsScene::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qgraphicsscene.cpp:86
#49 0x00007fd6825275be in QObject::event (this=this@entry=0x2308ed0, e=e@entry=0x5db97e0) at kernel/qobject.cpp:1194
#50 0x00007fd681eb10b9 in QGraphicsScene::event (this=0x2308ed0, event=0x5db97e0) at graphicsview/qgraphicsscene.cpp:3565
#51 0x00007fd6818b38ec in QApplicationPrivate::notify_helper (this=this@entry=0x22a4170, receiver=receiver@entry=0x2308ed0, e=e@entry=0x5db97e0) at kernel/qapplication.cpp:4567
#52 0x00007fd6818b625b in QApplication::notify (this=this@entry=0x2288bc0, receiver=receiver@entry=0x2308ed0, e=e@entry=0x5db97e0) at kernel/qapplication.cpp:4428
#53 0x00007fd6831d1af6 in KApplication::notify (this=0x2288bc0, receiver=0x2308ed0, event=0x5db97e0) at ../../kdeui/kernel/kapplication.cpp:311
#54 0x00007fd68250d63e in QCoreApplication::notifyInternal (this=0x2288bc0, receiver=receiver@entry=0x2308ed0, event=event@entry=0x5db97e0) at kernel/qcoreapplication.cpp:946
#55 0x00007fd682511171 in sendEvent (event=0x5db97e0, receiver=0x2308ed0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#56 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x221d1f0) at kernel/qcoreapplication.cpp:1570
#57 0x00007fd6825114a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#58 0x00007fd68253be83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#59 postEventSourceDispatch (s=0x22a1bd0) at kernel/qeventdispatcher_glib.cpp:279
#60 0x00007fd678d97f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007fd678d98248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007fd678d98304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007fd68253c016 in QEventDispatcherGlib::processEvents (this=0x22a4770, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#64 0x00007fd6819591ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#65 0x00007fd68250c38f in QEventLoop::processEvents (this=this@entry=0x7fff09b6e030, flags=...) at kernel/qeventloop.cpp:149
#66 0x00007fd68250c618 in QEventLoop::exec (this=this@entry=0x7fff09b6e030, flags=...) at kernel/qeventloop.cpp:204
#67 0x00007fd682511cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#68 0x00007fd6818b1ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#69 0x00007fd685c6846b in kdemain (argc=1, argv=0x7fff09b6e328) at ../../../../plasma/desktop/shell/main.cpp:126
#70 0x00007fd685884ea5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff09b6e328, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff09b6e318) at libc-start.c:260
#71 0x0000000000400711 in _start ()

Possible duplicates by query: bug 318647.

Reported using DrKonqi