Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.92 (KDE 4.4.92 (KDE 4.5 RC2))
Qt Version: 4.7.0
Operating System: Linux 2.6.32-23-generic x86_64
Distribution: KXStudio 10.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I had just finished scrolling in the Knowledge Base Widget and I move my cursor so that it bumped the left side of my screen, at which point KDE crashed

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ff7d61617a0 (LWP 1801))]

Thread 2 (Thread 0x7ff7c0180710 (LWP 1805)):
#0  0x00007ff7e2a37a2d in __pthread_mutex_unlock_usercnt (mutex=0x2956208) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x2956208) at pthread_mutex_unlock.c:290
#2  0x00007ff7da641ea5 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#3  0x00007ff7da642318 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007ff7da6428fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007ff7e2de3bd6 in QEventDispatcherGlib::processEvents (this=0x2956110, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#6  0x00007ff7e2db67b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007ff7e2db6b9c in QEventLoop::exec (this=0x7ff7c017fd70, flags=) at kernel/qeventloop.cpp:201
#8  0x00007ff7e2cc223d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007ff7e2d966d8 in QInotifyFileSystemWatcherEngine::run (this=0x2958130) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007ff7e2cc51be in QThreadPrivate::start (arg=0x2958130) at thread/qthread_unix.cpp:266
#11 0x00007ff7e2a339ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#12 0x00007ff7e57686fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff7d61617a0 (LWP 1801)):
[KCrash Handler]
#6  QMenu::d_func (this=0x0, p=..., action=0x0) at widgets/qmenu.h:72
#7  QMenu::exec (this=0x0, p=..., action=0x0) at widgets/qmenu.cpp:2047
#8  0x00007ff7e538a3ca in Plasma::TextBrowser::contextMenuEvent (this=<value optimized out>, event=0x7fff1f44b100) at ../../plasma/widgets/textbrowser.cpp:184
#9  0x00007ff7e252b9a6 in QGraphicsItem::sceneEvent (this=0x3b74710, event=0x7fff1f44a950) at graphicsview/qgraphicsitem.cpp:6619
#10 0x00007ff7e2546683 in QGraphicsScene::contextMenuEvent (this=<value optimized out>, contextMenuEvent=0x7fff1f44b100) at graphicsview/qgraphicsscene.cpp:3594
#11 0x00007ff7e25589b4 in QGraphicsScene::event (this=0x19c8dd0, event=0x7fff1f44b100) at graphicsview/qgraphicsscene.cpp:3392
#12 0x00007ff7e1f0bcdc in QApplicationPrivate::notify_helper (this=0x186b580, receiver=0x19c8dd0, e=0x7fff1f44b100) at kernel/qapplication.cpp:4389
#13 0x00007ff7e1f117cd in QApplication::notify (this=0x184f8c0, receiver=0x19c8dd0, e=0x7fff1f44b100) at kernel/qapplication.cpp:4270
#14 0x00007ff7e3a6c926 in KApplication::notify (this=0x184f8c0, receiver=0x19c8dd0, event=0x7fff1f44b100) at ../../kdeui/kernel/kapplication.cpp:309
#15 0x00007ff7e2db7a8c in QCoreApplication::notifyInternal (this=0x184f8c0, receiver=0x19c8dd0, event=0x7fff1f44b100) at kernel/qcoreapplication.cpp:732
#16 0x00007ff7e2575d4c in QCoreApplication::sendEvent (this=0x1e5dcf0, event=0x7fff1f44b9f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QGraphicsView::contextMenuEvent (this=0x1e5dcf0, event=0x7fff1f44b9f0) at graphicsview/qgraphicsview.cpp:2888
#18 0x00007ff7e1f610a4 in QWidget::event (this=0x1e5dcf0, event=0x7fff1f44b9f0) at kernel/qwidget.cpp:8324
#19 0x00007ff7e2325b06 in QFrame::event (this=0x1e5dcf0, e=0x7fff1f44b9f0) at widgets/qframe.cpp:557
#20 0x00007ff7e2574e9b in QGraphicsView::viewportEvent (this=0x1e5dcf0, event=0x7fff1f44b9f0) at graphicsview/qgraphicsview.cpp:2862
#21 0x00007ff7e2db72b7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2e0bb50, event=0x7fff1f44b9f0) at kernel/qcoreapplication.cpp:847
#22 0x00007ff7e1f0bcac in QApplicationPrivate::notify_helper (this=0x186b580, receiver=0x2e0bb50, e=0x7fff1f44b9f0) at kernel/qapplication.cpp:4385
#23 0x00007ff7e1f119b1 in QApplication::notify (this=0x184f8c0, receiver=0x2e0bb50, e=0x7fff1f44b9f0) at kernel/qapplication.cpp:4031
#24 0x00007ff7e3a6c926 in KApplication::notify (this=0x184f8c0, receiver=0x2e0bb50, event=0x7fff1f44b9f0) at ../../kdeui/kernel/kapplication.cpp:309
#25 0x00007ff7e2db7a8c in QCoreApplication::notifyInternal (this=0x184f8c0, receiver=0x2e0bb50, event=0x7fff1f44b9f0) at kernel/qcoreapplication.cpp:732
#26 0x00007ff7e1f93382 in QETWidget::translateMouseEvent (this=<value optimized out>, event=<value optimized out>) at kernel/qapplication_x11.cpp:4408
#27 0x00007ff7e1f91c6c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff1f44c340) at kernel/qapplication_x11.cpp:3536
#28 0x00007ff7e1fbde82 in x11EventSourceDispatch (s=0x186efd0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007ff7da63e8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x00007ff7da642748 in ?? () from /lib/libglib-2.0.so.0
#31 0x00007ff7da6428fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x00007ff7e2de3b83 in QEventDispatcherGlib::processEvents (this=0x1833790, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#33 0x00007ff7e1fbd7ee in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007ff7e2db67b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#35 0x00007ff7e2db6b9c in QEventLoop::exec (this=0x7fff1f44c670, flags=) at kernel/qeventloop.cpp:201
#36 0x00007ff7e2dbac4b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#37 0x00007ff7e5a41c76 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#38 0x00007ff7e56a0c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff1f44ca38) at libc-start.c:226
#39 0x00000000004006c9 in _start ()

Reported using DrKonqi