Bug 300157

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-17-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

1. Examing and opening files using KDE Dolphin file browser.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9728bc47a0 (LWP 2442))]

Thread 2 (Thread 0x7f9703df2700 (LWP 2449)):
#0  0x00007f972849e473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f971c7e0f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f971c7e1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9725688f3e in QEventDispatcherGlib::processEvents (this=0x2167840, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f972565ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f972565cef7 in QEventLoop::exec (this=0x7f9703df1db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f972557427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f972563fcbf in QInotifyFileSystemWatcherEngine::run (this=0x2163e40) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9725576d05 in QThreadPrivate::start (arg=0x2163e40) at thread/qthread_unix.cpp:331
#9  0x00007f971d2edefc in start_thread (arg=0x7f9703df2700) at pthread_create.c:304
#10 0x00007f97284aa59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9728bc47a0 (LWP 2442)):
[KCrash Handler]
#6  0x00007f9724a4ef2f in QWidget::testAttribute_helper (this=0x17648f0, attribute=Qt::WA_Hover) at kernel/qwidget.cpp:10912
#7  0x00007f9724a12d64 in testAttribute (attribute=Qt::WA_Hover, this=0x17648f0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:1031
#8  QApplication::notify (this=<optimized out>, receiver=<optimized out>, e=0x7fffb95542d0) at kernel/qapplication.cpp:4069
#9  0x00007f972630c466 in KApplication::notify (this=0x15a61d0, receiver=0x17648f0, event=0x7fffb95542d0) at ../../kdeui/kernel/kapplication.cpp:311
#10 0x00007f972565dafc in QCoreApplication::notifyInternal (this=0x15a61d0, receiver=0x17648f0, event=0x7fffb95542d0) at kernel/qcoreapplication.cpp:787
#11 0x00007f9724a0e442 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#12 QApplicationPrivate::sendMouseEvent (receiver=0x17648f0, event=0x7fffb95542d0, alienWidget=0x0, nativeWidget=0x17648f0, buttonDown=0x0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#13 0x00007f9724a8d9d5 in QETWidget::translateMouseEvent (this=0x17648f0, event=<optimized out>) at kernel/qapplication_x11.cpp:4571
#14 0x00007f9724a8c94e in QApplication::x11ProcessEvent (this=0x15a61d0, event=0x7fffb9554af0) at kernel/qapplication_x11.cpp:3693
#15 0x00007f9724ab54a2 in x11EventSourceDispatch (s=0x15b4d90, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#16 0x00007f971c7e0a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f971c7e1258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f971c7e1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f9725688ed6 in QEventDispatcherGlib::processEvents (this=0x1543f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#20 0x00007f9724ab510e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#21 0x00007f972565ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007f972565cef7 in QEventLoop::exec (this=0x3778320, flags=...) at kernel/qeventloop.cpp:201
#23 0x00007f9724a9bc95 in QDragManager::drag (this=0x39488a0, o=<optimized out>) at kernel/qdnd_x11.cpp:1981
#24 0x00007f9724a1ef88 in QDrag::exec (this=0x38cfe90, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:284
#25 0x00007f9724a1f043 in QDrag::exec (this=<optimized out>, supportedActions=<optimized out>) at kernel/qdrag.cpp:239
#26 0x00007f970d4911ac in Kickoff::FlipScrollView::startDrag (this=<optimized out>, supportedActions=<optimized out>) at ../../../../../plasma/desktop/applets/kickoff/ui/flipscrollview.cpp:562
#27 0x00007f9724f1faae in QAbstractItemView::mouseMoveEvent (this=0x2153480, event=<optimized out>) at itemviews/qabstractitemview.cpp:1709
#28 0x00007f970d48deb9 in Kickoff::FlipScrollView::mouseMoveEvent (this=0x2153480, event=0x7fffb9555d40) at ../../../../../plasma/desktop/applets/kickoff/ui/flipscrollview.cpp:400
#29 0x00007f9724a5dd1e in QWidget::event (this=0x2153480, event=0x7fffb9555d40) at kernel/qwidget.cpp:8280
#30 0x00007f9724e065b6 in QFrame::event (this=0x2153480, e=0x7fffb9555d40) at widgets/qframe.cpp:557
#31 0x00007f9724f1725b in QAbstractItemView::viewportEvent (this=0x2153480, event=0x7fffb9555d40) at itemviews/qabstractitemview.cpp:1628
#32 0x00007f972565dc88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x2152d30, event=0x7fffb9555d40) at kernel/qcoreapplication.cpp:902
#33 0x00007f9724a0d43f in notify_helper (e=0x7fffb9555d40, receiver=0x2152d30, this=0x15b22b0) at kernel/qapplication.cpp:4482
#34 QApplicationPrivate::notify_helper (this=0x15b22b0, receiver=0x2152d30, e=0x7fffb9555d40) at kernel/qapplication.cpp:4458
#35 0x00007f9724a12cbb in QApplication::notify (this=<optimized out>, receiver=0x2152d30, e=0x7fffb9555d40) at kernel/qapplication.cpp:4047
#36 0x00007f972630c466 in KApplication::notify (this=0x15a61d0, receiver=0x2152d30, event=0x7fffb9555d40) at ../../kdeui/kernel/kapplication.cpp:311
#37 0x00007f972565dafc in QCoreApplication::notifyInternal (this=0x15a61d0, receiver=0x2152d30, event=0x7fffb9555d40) at kernel/qcoreapplication.cpp:787
#38 0x00007f9724a0e442 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QApplicationPrivate::sendMouseEvent (receiver=0x2152d30, event=0x7fffb9555d40, alienWidget=0x2152d30, nativeWidget=0x21c7100, buttonDown=0x2152d30, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#40 0x00007f9724a0e8da in QApplicationPrivate::sendSyntheticEnterLeave (this=<optimized out>, widget=0x2152d30) at kernel/qapplication.cpp:3232
#41 0x00007f9724a594dd in QWidgetPrivate::hideChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7832
#42 0x00007f9724a5949c in QWidgetPrivate::hideChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7818
#43 0x00007f9724a5949c in QWidgetPrivate::hideChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7818
#44 0x00007f9724a5949c in QWidgetPrivate::hideChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7818
#45 0x00007f9724a5949c in QWidgetPrivate::hideChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7818
#46 0x00007f9724a5964e in QWidgetPrivate::hide_helper (this=0x21c77b0) at kernel/qwidget.cpp:7562
#47 0x00007f9724a61d08 in QWidget::setVisible (this=0x21c7100, visible=<optimized out>) at kernel/qwidget.cpp:7734
#48 0x00007f9727ffdcb8 in Plasma::PopupApplet::qt_metacall (this=0x194dfb0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffb9556140) at ./popupapplet.moc:97
#49 0x00007f970d4a2600 in LauncherApplet::qt_metacall (this=0x194dfb0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb9556140) at ./applet.moc:78
#50 0x00007f9725670eba in QMetaObject::activate (sender=0x1e94e90, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#51 0x00007f970d493ae1 in Kickoff::Launcher::eventFilter (this=0x1e94e90, object=0x2152d30, event=0x7fffb9556700) at ../../../../../plasma/desktop/applets/kickoff/ui/launcher.cpp:833
#52 0x00007f972565dc88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x2152d30, event=0x7fffb9556700) at kernel/qcoreapplication.cpp:902
#53 0x00007f9724a0d43f in notify_helper (e=0x7fffb9556700, receiver=0x2152d30, this=0x15b22b0) at kernel/qapplication.cpp:4482
#54 QApplicationPrivate::notify_helper (this=0x15b22b0, receiver=0x2152d30, e=0x7fffb9556700) at kernel/qapplication.cpp:4458
#55 0x00007f9724a12cbb in QApplication::notify (this=<optimized out>, receiver=0x2152d30, e=0x7fffb9556700) at kernel/qapplication.cpp:4047
#56 0x00007f972630c466 in KApplication::notify (this=0x15a61d0, receiver=0x2152d30, event=0x7fffb9556700) at ../../kdeui/kernel/kapplication.cpp:311
#57 0x00007f972565dafc in QCoreApplication::notifyInternal (this=0x15a61d0, receiver=0x2152d30, event=0x7fffb9556700) at kernel/qcoreapplication.cpp:787
#58 0x00007f9724a0e442 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#59 QApplicationPrivate::sendMouseEvent (receiver=0x2152d30, event=0x7fffb9556700, alienWidget=0x2152d30, nativeWidget=0x21c7100, buttonDown=0x2152d30, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#60 0x00007f9724a8d9d5 in QETWidget::translateMouseEvent (this=0x21c7100, event=<optimized out>) at kernel/qapplication_x11.cpp:4571
#61 0x00007f9724a8c94e in QApplication::x11ProcessEvent (this=0x15a61d0, event=0x7fffb9556f20) at kernel/qapplication_x11.cpp:3693
#62 0x00007f9724ab54a2 in x11EventSourceDispatch (s=0x15b4d90, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#63 0x00007f971c7e0a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f971c7e1258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f971c7e1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f9725688ed6 in QEventDispatcherGlib::processEvents (this=0x1543f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#67 0x00007f9724ab510e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#68 0x00007f972565ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#69 0x00007f972565cef7 in QEventLoop::exec (this=0x7fffb95572f0, flags=...) at kernel/qeventloop.cpp:201
#70 0x00007f9725661789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#71 0x00007f97287a91a3 in kdemain (argc=1, argv=0x7fffb95576d8) at ../../../../plasma/desktop/shell/main.cpp:120
#72 0x00007f97283e830d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffb95576d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb95576c8) at libc-start.c:226
#73 0x0000000000400671 in _start ()

Possible duplicates by query: bug 296755, bug 287822, bug 285132, bug 282102, bug 281004.

Reported using DrKonqi