Bug 284911

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:Tenia funcionando Virtualbox con un XP virtual (solo ysupra funcionando) y Amarok buscando caratulas de los albunes

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5f3e720 (LWP 1856))]

Thread 2 (Thread 0xafbf3b70 (LWP 1857)):
#0  0x0738cdbd in __pthread_mutex_lock (mutex=0xaf2004fc) at pthread_mutex_lock.c:61
#1  0x002b1f14 in pthread_mutex_lock (mutex=0xaf2004fc) at forward.c:182
#2  0x03f6d8bb in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03f6e637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03f6ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0147cb37 in QEventDispatcherGlib::processEvents (this=0xaf200478, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x0144d1dd in QEventLoop::processEvents (this=0xafbf31f0, flags=...) at kernel/qeventloop.cpp:149
#7  0x0144d421 in QEventLoop::exec (this=0xafbf31f0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0135090b in QThread::exec (this=0x8b76fa0) at thread/qthread.cpp:498
#9  0x0142de2d in QInotifyFileSystemWatcherEngine::run (this=0x8b76fa0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x013537b3 in QThreadPrivate::start (arg=0x8b76fa0) at thread/qthread_unix.cpp:331
#11 0x0447c9cd in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#12 0x002a40ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb5f3e720 (LWP 1856)):
[KCrash Handler]
#7  0x0528793f in TaskManager::BasicMenu::BasicMenu(QWidget*, TaskManager::TaskItem*, TaskManager::GroupManager*, QList<QAction*>) () from /usr/lib/libtaskmanager.so.4abi2
#8  0x0528820b in TaskManager::BasicMenu::BasicMenu(QWidget*, TaskManager::TaskGroup*, TaskManager::GroupManager*, QList<QAction*>) () from /usr/lib/libtaskmanager.so.4abi2
#9  0x0530ccdf in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#10 0x01d427e3 in QGraphicsItem::sceneEvent (this=0x95b3018, event=0xbfe0824c) at graphicsview/qgraphicsitem.cpp:6700
#11 0x01d9f806 in QGraphicsWidget::sceneEvent (this=0x95b3010, event=0xbfe0824c) at graphicsview/qgraphicswidget.cpp:1223
#12 0x01d6bc7e in sendEvent (event=0xbfe0824c, item=0x95b3018, this=<optimized out>) at graphicsview/qgraphicsscene.cpp:1217
#13 QGraphicsScenePrivate::sendEvent (this=0x8527208, item=0x95b3018, event=0xbfe0824c) at graphicsview/qgraphicsscene.cpp:1193
#14 0x01d6c3f8 in QGraphicsScene::contextMenuEvent (this=0x847d3f0, contextMenuEvent=0xbfe0824c) at graphicsview/qgraphicsscene.cpp:3609
#15 0x01d7babc in QGraphicsScene::event (this=0x847d3f0, event=0xbfe0824c) at graphicsview/qgraphicsscene.cpp:3407
#16 0x016e0d54 in notify_helper (e=0xbfe0824c, receiver=0x847d3f0, this=0x847da80) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x847da80, receiver=0x847d3f0, e=0xbfe0824c) at kernel/qapplication.cpp:4458
#18 0x016e6103 in QApplication::notify (this=0xbfe0824c, receiver=0x847d3f0, e=0xbfe0824c) at kernel/qapplication.cpp:3886
#19 0x01096721 in KApplication::notify (this=0x8466b08, receiver=0x847d3f0, event=0xbfe0824c) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x0144e19e in QCoreApplication::notifyInternal (this=0x8466b08, receiver=0x847d3f0, event=0xbfe0824c) at kernel/qcoreapplication.cpp:787
#21 0x01d941b6 in sendEvent (event=0xbfe0823c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QGraphicsView::contextMenuEvent (this=0x900b8e8, event=0xbfe08804) at graphicsview/qgraphicsview.cpp:2890
#23 0x0173bd23 in QWidget::event (this=0x900b8e8, event=0xbfe08804) at kernel/qwidget.cpp:8462
#24 0x01b40235 in QFrame::event (this=0x900b8e8, e=0xbfe08804) at widgets/qframe.cpp:557
#25 0x01bd27d1 in QAbstractScrollArea::viewportEvent (this=0x900b8e8, e=0xbfe08804) at widgets/qabstractscrollarea.cpp:1043
#26 0x01d9dcb4 in QGraphicsView::viewportEvent (this=0x900b8e8, event=0xbfe08804) at graphicsview/qgraphicsview.cpp:2864
#27 0x01bd4ee6 in viewportEvent (this=<optimized out>, event=0xbfe08804) at widgets/qabstractscrollarea_p.h:100
#28 eventFilter (e=0xbfe08804, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#29 QAbstractScrollAreaFilter::eventFilter (this=0x8ca8b58, o=0x90864c8, e=0xbfe08804) at widgets/qabstractscrollarea_p.h:115
#30 0x0144e336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x847da80, receiver=0x90864c8, event=0xbfe08804) at kernel/qcoreapplication.cpp:902
#31 0x016e0d22 in notify_helper (e=0xbfe08804, receiver=0x90864c8, this=0x847da80) at kernel/qapplication.cpp:4482
#32 QApplicationPrivate::notify_helper (this=0x847da80, receiver=0x90864c8, e=0xbfe08804) at kernel/qapplication.cpp:4458
#33 0x016e6794 in QApplication::notify (this=0x90864c8, receiver=0x90864c8, e=0xbfe08804) at kernel/qapplication.cpp:4126
#34 0x01096721 in KApplication::notify (this=0x8466b08, receiver=0x90864c8, event=0xbfe08804) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x0144e19e in QCoreApplication::notifyInternal (this=0x8466b08, receiver=0x90864c8, event=0xbfe08804) at kernel/qcoreapplication.cpp:787
#36 0x0176e345 in sendSpontaneousEvent (event=0xbfe08804, receiver=0x90864c8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 QETWidget::translateMouseEvent (this=0x900b8e8, event=0xbfe08c5c) at kernel/qapplication_x11.cpp:4573
#38 0x0176ce4d in QApplication::x11ProcessEvent (this=0x8466b08, event=0xbfe08c5c) at kernel/qapplication_x11.cpp:3690
#39 0x0179924c in x11EventSourceDispatch (s=0x847fce8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0x03f6e25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0x03f6e990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0x03f6ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#43 0x0147cada in QEventDispatcherGlib::processEvents (this=0x83e7248, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#44 0x01798e3a in QGuiEventDispatcherGlib::processEvents (this=0x83e7248, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x0144d1dd in QEventLoop::processEvents (this=0xbfe08f64, flags=...) at kernel/qeventloop.cpp:149
#46 0x0144d421 in QEventLoop::exec (this=0xbfe08f64, flags=...) at kernel/qeventloop.cpp:201
#47 0x0145219d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#48 0x016de8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#49 0x0097f18b in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#50 0x0804850b in ?? ()
#51 0x001eb113 in __libc_start_main (main=0x80484f0, argc=1, ubp_av=0xbfe09164, init=0x80485e0 <__libc_csu_init>, fini=0x8048650 <__libc_csu_fini>, rtld_fini=0x847bc0, stack_end=0xbfe0915c) at libc-start.c:226
#52 0x08048531 in _start ()

This bug may be a duplicate of or related to bug 277033.

Possible duplicates by query: bug 282770, bug 282020, bug 271011.

Reported using DrKonqi