Bug 227686

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.00 (KDE 4.4.0)
Qt Version: 4.6.1
Operating System: Linux 2.6.31-19-generic-pae i686
Distribution: Ubuntu 9.10

-- Information about the crash:
I was switching virtual desktops when Plasma suddenly crashed. 

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb36b4760 (LWP 27171))]

Thread 4 (Thread 0xa54feb70 (LWP 27175)):
#0  0xb77ff430 in __kernel_vsyscall ()
#1  0xb595e142 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb771c8d4 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb59d2c1e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#4  0xb59d2d73 in QThread::msleep (msecs=50) at thread/qthread_unix.cpp:424
#5  0xa7d7376b in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#6  0xb59d332e in QThreadPrivate::start (arg=0x9595178) at thread/qthread_unix.cpp:248
#7  0xb595980e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb770f8de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xa3c01b70 (LWP 27176)):
#0  0xb77ff430 in __kernel_vsyscall ()
#1  0xb595e142 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb771c8d4 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb59d2c1e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#4  0xb59d2d73 in QThread::msleep (msecs=50) at thread/qthread_unix.cpp:424
#5  0xa7d7376b in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#6  0xb59d332e in QThreadPrivate::start (arg=0x9986498) at thread/qthread_unix.cpp:248
#7  0xb595980e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb770f8de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa3400b70 (LWP 27177)):
#0  0xb77ff430 in __kernel_vsyscall ()
#1  0xb595e142 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb771c8d4 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb59d2c1e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#4  0xb59d2d73 in QThread::msleep (msecs=50) at thread/qthread_unix.cpp:424
#5  0xa7d7376b in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#6  0xb59d332e in QThreadPrivate::start (arg=0x9add2c8) at thread/qthread_unix.cpp:248
#7  0xb595980e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb770f8de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb36b4760 (LWP 27171)):
[KCrash Handler]
#6  0xb64400b0 in QGraphicsScenePrivate::setFocusItemHelper (this=0x86cc550, item=0x925c340, focusReason=Qt::ActiveWindowFocusReason) at graphicsview/qgraphicsscene.cpp:781
#7  0xb64037a1 in QGraphicsItemPrivate::setFocusHelper (this=0x925c3d8, focusReason=Qt::ActiveWindowFocusReason, climb=true) at graphicsview/qgraphicsitem.cpp:3076
#8  0xb640383f in QGraphicsItem::setFocus (this=0x925c340, focusReason=Qt::ActiveWindowFocusReason) at graphicsview/qgraphicsitem.cpp:3027
#9  0xb644026e in QGraphicsScene::setFocusItem (this=0x8789768, item=0x0, focusReason=155049112) at graphicsview/qgraphicsscene.cpp:2947
#10 0xb6441130 in QGraphicsScene::focusInEvent (this=0x8789768, focusEvent=0xbff207c0) at graphicsview/qgraphicsscene.cpp:3697
#11 0xb6448bf4 in QGraphicsScene::event (this=0x8789768, event=0xbff207c0) at graphicsview/qgraphicsscene.cpp:3382
#12 0xb5d9e27c in QApplicationPrivate::notify_helper (this=0x86db410, receiver=0x8789768, e=0xbff207c0) at kernel/qapplication.cpp:4298
#13 0xb5da4ede in QApplication::notify (this=0x86c75c8, receiver=0x8789768, e=0xbff207c0) at kernel/qapplication.cpp:3702
#14 0xb6b231fa in KApplication::notify (this=0x86c75c8, receiver=0x8789768, event=0xbff207c0) at ../../kdeui/kernel/kapplication.cpp:302
#15 0xb5ad5cfb in QCoreApplication::notifyInternal (this=0x86c75c8, receiver=0x8789768, event=0xbff207c0) at kernel/qcoreapplication.cpp:704
#16 0xb6466ba8 in QCoreApplication::sendEvent (this=0x9923f78, event=0xbff207c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QGraphicsView::focusInEvent (this=0x9923f78, event=0xbff207c0) at graphicsview/qgraphicsview.cpp:2960
#18 0xb5dfc6b1 in QWidget::event (this=0x9923f78, event=0xbff207c0) at kernel/qwidget.cpp:8087
#19 0xb61f7b23 in QFrame::event (this=0x9923f78, e=0xbff207c0) at widgets/qframe.cpp:557
#20 0xb62927b7 in QAbstractScrollArea::event (this=0x9923f78, e=0xbff207c0) at widgets/qabstractscrollarea.cpp:989
#21 0xb6468fa6 in QGraphicsView::event (this=0x9923f78, event=0xbff207c0) at graphicsview/qgraphicsview.cpp:2666
#22 0xb5d9e27c in QApplicationPrivate::notify_helper (this=0x86db410, receiver=0x9923f78, e=0xbff207c0) at kernel/qapplication.cpp:4298
#23 0xb5da4f79 in QApplication::notify (this=0x86c75c8, receiver=0x9923f78, e=0xbff207c0) at kernel/qapplication.cpp:4263
#24 0xb6b231fa in KApplication::notify (this=0x86c75c8, receiver=0x9923f78, event=0xbff207c0) at ../../kdeui/kernel/kapplication.cpp:302
#25 0xb5ad5cfb in QCoreApplication::notifyInternal (this=0x86c75c8, receiver=0x9923f78, event=0xbff207c0) at kernel/qcoreapplication.cpp:704
#26 0xb5dad7ce in QCoreApplication::sendEvent (receiver=0x9923f78, event=0x93ddd50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#27 0xb5da3c2e in QApplicationPrivate::setFocusWidget (focus=0x9923f78, reason=Qt::ActiveWindowFocusReason) at kernel/qapplication.cpp:2135
#28 0xb5da8b60 in QApplication::setActiveWindow (act=0x9923f78) at kernel/qapplication.cpp:2481
#29 0xb5e2e457 in QApplication::x11ProcessEvent (this=0x86c75c8, event=0xbff20c3c) at kernel/qapplication_x11.cpp:3420
#30 0xb5e5d95a in x11EventSourceDispatch (s=0x86ddcf8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0xb3f8ee88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#32 0xb3f92730 in ?? () from /lib/libglib-2.0.so.0
#33 0xb3f92863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#34 0xb5b018e5 in QEventDispatcherGlib::processEvents (this=0x86b1cd8, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#35 0xb5e5d485 in QGuiEventDispatcherGlib::processEvents (this=0x86b1cd8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0xb5ad4319 in QEventLoop::processEvents (this=0xbff20f34, flags=) at kernel/qeventloop.cpp:149
#37 0xb5ad476a in QEventLoop::exec (this=0xbff20f34, flags=...) at kernel/qeventloop.cpp:201
#38 0xb5ad895f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#39 0xb5d9e317 in QApplication::exec () at kernel/qapplication.cpp:3577
#40 0xb77bc17e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#41 0x080485cb in _start ()

This bug may be a duplicate of or related to bug 222887.

Possible duplicates by query: bug 223099, bug 222887.

Reported using DrKonqi