Bug 253425

Application: plasma-netbook (0.1)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
I clicked on the System Settings button and it crashed.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Plasma Netbook (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7815aa0 (LWP 1293))]

Thread 3 (Thread 0xaa345b70 (LWP 1328)):
#0  QEventDispatcherGlib::processEvents (this=0x90ac908, flags=...) at kernel/qeventdispatcher_glib.cpp:413
#1  0x010f6059 in QEventLoop::processEvents (this=0xaa345290, flags=) at kernel/qeventloop.cpp:149
#2  0x010f64aa in QEventLoop::exec (this=0xaa345290, flags=...) at kernel/qeventloop.cpp:201
#3  0x00ff25a8 in QThread::exec (this=0x90a8768) at thread/qthread.cpp:487
#4  0x010d5c1b in QInotifyFileSystemWatcherEngine::run (this=0x90a8768) at io/qfilesystemwatcher_inotify.cpp:248
#5  0x00ff532e in QThreadPrivate::start (arg=0x90a8768) at thread/qthread_unix.cpp:248
#6  0x0015596e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x00883a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa9b44b70 (LWP 1330)):
#0  0x0064d422 in __kernel_vsyscall ()
#1  0x0015a015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x04aab9d7 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x04aaba21 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x0015596e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0x00883a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7815aa0 (LWP 1293)):
[KCrash Handler]
#6  0x06959dc0 in QGraphicsScenePrivate::setFocusItemHelper (this=0x8ae1428, item=0x8e758a8, focusReason=Qt::MouseFocusReason) at graphicsview/qgraphicsscene.cpp:804
#7  0x0691d641 in QGraphicsItemPrivate::setFocusHelper (this=0x8af07b8, focusReason=Qt::MouseFocusReason, climb=true) at graphicsview/qgraphicsitem.cpp:3156
#8  0x0691d7af in QGraphicsItem::setFocus (this=0x8e758a8, focusReason=Qt::MouseFocusReason) at graphicsview/qgraphicsitem.cpp:3107
#9  0x06959f7e in QGraphicsScene::setFocusItem (this=0x8ae1000, item=0x0, focusReason=145496520) at graphicsview/qgraphicsscene.cpp:2972
#10 0x0695db05 in QGraphicsScenePrivate::mousePressEventHandler (this=0x8ae1428, mouseEvent=0xbfa1ac44) at graphicsview/qgraphicsscene.cpp:1309
#11 0x0695e01d in QGraphicsScene::mousePressEvent (this=0x8ae1000, mouseEvent=0xbfa1ac44) at graphicsview/qgraphicsscene.cpp:4003
#12 0x069626f4 in QGraphicsScene::event (this=0x8ae1000, event=0xbfa1ac44) at graphicsview/qgraphicsscene.cpp:3395
#13 0x062b64dc in QApplicationPrivate::notify_helper (this=0x8a2ab28, receiver=0x8ae1000, e=0xbfa1ac44) at kernel/qapplication.cpp:4300
#14 0x062bd05e in QApplication::notify (this=0x8a256b0, receiver=0x8ae1000, e=0xbfa1ac44) at kernel/qapplication.cpp:3704
#15 0x00db7f2a in KApplication::notify (this=0x8a256b0, receiver=0x8ae1000, event=0xbfa1ac44) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x010f7a3b in QCoreApplication::notifyInternal (this=0x8a256b0, receiver=0x8ae1000, event=0xbfa1ac44) at kernel/qcoreapplication.cpp:704
#17 0x062b72be in QCoreApplication::sendSpontaneousEvent (receiver=0x8ae1000, event=0x8ac1a80) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#18 qt_sendSpontaneousEvent (receiver=0x8ae1000, event=0x8ac1a80) at kernel/qapplication.cpp:5279
#19 0x069844f5 in QGraphicsView::mousePressEvent (this=0x8ac0d40, event=0xbfa1b3b0) at graphicsview/qgraphicsview.cpp:3085
#20 0x063147dc in QWidget::event (this=0x8ac0d40, event=0xbfa1b3b0) at kernel/qwidget.cpp:7994
#21 0x06710fd3 in QFrame::event (this=0x8ac0d40, e=0xbfa1b3b0) at widgets/qframe.cpp:557
#22 0x067ab382 in QAbstractScrollArea::viewportEvent (this=0x8ac19c8, e=0x8ac1a80) at widgets/qabstractscrollarea.cpp:1036
#23 0x0698106b in QGraphicsView::viewportEvent (this=0x8ac0d40, event=0xbfa1b3b0) at graphicsview/qgraphicsview.cpp:2787
#24 0x067adc65 in QAbstractScrollAreaPrivate::viewportEvent (this=0x8a18c38, o=0x8aca150, e=0xbfa1b3b0) at widgets/qabstractscrollarea_p.h:100
#25 QAbstractScrollAreaFilter::eventFilter (this=0x8a18c38, o=0x8aca150, e=0xbfa1b3b0) at widgets/qabstractscrollarea_p.h:116
#26 0x010f6cda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8a2ab28, receiver=0x8aca150, event=0xbfa1b3b0) at kernel/qcoreapplication.cpp:819
#27 0x062b64b9 in QApplicationPrivate::notify_helper (this=0x8a2ab28, receiver=0x8aca150, e=0xbfa1b3b0) at kernel/qapplication.cpp:4296
#28 0x062bd9f7 in QApplication::notify (this=0x8a256b0, receiver=0x8aca150, e=0xbfa1b3b0) at kernel/qapplication.cpp:3865
#29 0x00db7f2a in KApplication::notify (this=0x8a256b0, receiver=0x8aca150, event=0xbfa1b3b0) at ../../kdeui/kernel/kapplication.cpp:302
#30 0x010f7a3b in QCoreApplication::notifyInternal (this=0x8a256b0, receiver=0x8aca150, event=0xbfa1b3b0) at kernel/qcoreapplication.cpp:704
#31 0x062bc952 in QCoreApplication::sendEvent (receiver=0x8aca150, event=0xbfa1b3b0, alienWidget=0x8aca150, nativeWidget=0x8ac0d40, buttonDown=0x6bfa058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#32 QApplicationPrivate::sendMouseEvent (receiver=0x8aca150, event=0xbfa1b3b0, alienWidget=0x8aca150, nativeWidget=0x8ac0d40, buttonDown=0x6bfa058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#33 0x06348088 in QETWidget::translateMouseEvent (this=0x8ac0d40, event=0xbfa1b8cc) at kernel/qapplication_x11.cpp:4368
#34 0x06347511 in QApplication::x11ProcessEvent (this=0x8a256b0, event=0xbfa1b8cc) at kernel/qapplication_x11.cpp:3379
#35 0x0637660a in x11EventSourceDispatch (s=0x8a2d6a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0x05bf95e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#37 0x05bfd2d8 in ?? () from /lib/libglib-2.0.so.0
#38 0x05bfd4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#39 0x011235d5 in QEventDispatcherGlib::processEvents (this=0x8a246c8, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#40 0x06376135 in QGuiEventDispatcherGlib::processEvents (this=0x8a246c8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x010f6059 in QEventLoop::processEvents (this=0xbfa1bbc4, flags=) at kernel/qeventloop.cpp:149
#42 0x010f64aa in QEventLoop::exec (this=0xbfa1bbc4, flags=...) at kernel/qeventloop.cpp:201
#43 0x010fa69f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0x062b6577 in QApplication::exec () at kernel/qapplication.cpp:3579
#45 0x01392bb0 in kdemain () from /usr/lib/libkdeinit4_plasma-netbook.so
#46 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x89f05d0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#47 0x0804ec6d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#48 0x0804f190 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#49 0x0804fe4f in main (argc=4, argv=0xbfa1c694, envp=0xbfa1c6a8) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 249045, bug 245931, bug 240541, bug 238988, bug 238092.

Reported using DrKonqi