Application: plasma-desktop (0.3) KDE Platform Version: 4.4.81 (KDE 4.4.81 (KDE 4.5 >= 20100527)) "release 3" Qt Version: 4.6.3 Operating System: Linux 2.6.31.12-0.2-desktop i686 Distribution: "openSUSE 11.2 (i586)" -- Information about the crash: - What I was doing when the application crashed: I clicked on the Desktop cashew and got the list of activities above the bottom panel. As this is 4.5 beta1 and obviously a new feature, I have no idea for what that very long(!) list of activities shall be used for. However, I started to delete one of them, which worked. Then when scrolling the list (or maybe it was at clicking the delete icon), plasma crashed. -- Backtrace: Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault [KCrash Handler] #7 0xb60fbeab in QGraphicsItem::pos() const () from /usr/lib/libQtGui.so.4 #8 0xb6f62ab3 in Plasma::AbstractIconList::itemPosition (this=0x904d2d0, i=27) at /usr/src/debug/kdebase-workspace-4.4.81svn1131245/libs/plasmagenericshell/abstracticonlist.cpp:525 #9 0xb6f6308c in Plasma::AbstractIconList::scrollDownRight (this=0x904d2d0) at /usr/src/debug/kdebase-workspace-4.4.81svn1131245/libs/plasmagenericshell/abstracticonlist.cpp:376 #10 0xb6f5b7f4 in Plasma::AbstractIconList::qt_metacall (this=0x904d2d0, _c=QMetaObject::InvokeMetaMethod, _id=17, _a=0xbf9a633c) at /usr/src/debug/kdebase-workspace-4.4.81svn1131245/build/libs/plasmagenericshell/moc_abstracticonlist.cpp:91 #11 0xb7731bc2 in ActivityList::qt_metacall (this=0x904d2d0, _c=QMetaObject::InvokeMetaMethod, _id=17, _a=0xbf9a633c) at /usr/src/debug/kdebase-workspace-4.4.81svn1131245/build/plasma/desktop/shell/moc_activitylist.cpp:74 #12 0xb656a99d in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4 #13 0xb6579bb0 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 #14 0xb74b3ae5 in Plasma::ToolButton::pressed (this=0x8b98858) at /usr/src/debug/kdelibs-4.4.81svn1131245/build/plasma/toolbutton.moc:168 #15 0xb74b5c20 in Plasma::ToolButton::qt_metacall (this=0x8b98858, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbf9a646c) at /usr/src/debug/kdelibs-4.4.81svn1131245/build/plasma/toolbutton.moc:102 #16 0xb656a99d in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4 #17 0xb6579bb0 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 #18 0xb61caa05 in QAbstractButton::pressed() () from /usr/lib/libQtGui.so.4 #19 0xb5e94fed in ?? () from /usr/lib/libQtGui.so.4 #20 0xb5e951ea in QAbstractButton::mousePressEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4 #21 0xb5f81196 in QToolButton::mousePressEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4 #22 0xb5aedb67 in QWidget::mouseDoubleClickEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4 #23 0xb5afbaba in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4 #24 0xb5e952f0 in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4 #25 0xb5f80b5c in QToolButton::event(QEvent*) () from /usr/lib/libQtGui.so.4 #26 0xb5a9b2ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #27 0xb5aa2aae in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #28 0xb6bb3fc1 in KApplication::notify (this=0x806a330, receiver=0x8ad0e70, event=0x8f11c78) at /usr/src/debug/kdelibs-4.4.81svn1131245/kdeui/kernel/kapplication.cpp:302 #29 0xb656558e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #30 0xb5aa19f4 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4 #31 0xb612e314 in ?? () from /usr/lib/libQtGui.so.4 #32 0xb611b5a1 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #33 0xb616f1f6 in QGraphicsWidget::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #34 0xb6131194 in ?? () from /usr/lib/libQtGui.so.4 #35 0xb61336bb in ?? () from /usr/lib/libQtGui.so.4 #36 0xb61426fa in ?? () from /usr/lib/libQtGui.so.4 #37 0xb6147584 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4 #38 0xb5a9b2ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #39 0xb5aa20e8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #40 0xb6bb3fc1 in KApplication::notify (this=0x806a330, receiver=0x824bbd8, event=0xbf9a74d4) at /usr/src/debug/kdelibs-4.4.81svn1131245/kdeui/kernel/kapplication.cpp:302 #41 0xb656558e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #42 0xb5a9c1dd in ?? () from /usr/lib/libQtGui.so.4 #43 0xb616855a in QGraphicsView::mouseDoubleClickEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4 #44 0xb5afbaba in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4 #45 0xb5ee7555 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4 #46 0xb5f84541 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #47 0xb61666d4 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #48 0xb5f86e36 in ?? () from /usr/lib/libQtGui.so.4 #49 0xb656485e in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #50 0xb5a9b27d in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #51 0xb5aa2aae in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #52 0xb6bb3fc1 in KApplication::notify (this=0x806a330, receiver=0x94fc6d8, event=0xbf9a7c50) at /usr/src/debug/kdelibs-4.4.81svn1131245/kdeui/kernel/kapplication.cpp:302 #53 0xb656558e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #54 0xb5aa19f4 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4 #55 0xb5b2f91a in ?? () from /usr/lib/libQtGui.so.4 #56 0xb5b2eec4 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4 #57 0xb5b5c2a8 in ?? () from /usr/lib/libQtGui.so.4 #58 0xb3b584c2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #59 0xb3b5bd98 in ?? () from /usr/lib/libglib-2.0.so.0 #60 0xb3b5bebe in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #61 0xb65921b1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #62 0xb5b5bdfa in ?? () from /usr/lib/libQtGui.so.4 #63 0xb6563bfd in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #64 0xb6564049 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #65 0xb65692f0 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 #66 0xb5a9b354 in QApplication::exec() () from /usr/lib/libQtGui.so.4 #67 0xb774911f in kdemain (argc=1, argv=0xbf9a8614) at /usr/src/debug/kdebase-workspace-4.4.81svn1131245/plasma/desktop/shell/main.cpp:118 #68 0x0804860b in main (argc=1, argv=0xbf9a8614) at /usr/src/debug/kdebase-workspace-4.4.81svn1131245/build/plasma/desktop/shell/plasma-desktop_dummy.cpp:3 Reported using DrKonqi
and this is what happens when you have a list of unguarded pointers and aren't even trying to update it when they're deleted. :) oops. Thanks for the report, I'll fix it asap. After I go educate myself on all the shiny safe-pointer types Qt now offers. :P
*** Bug 240031 has been marked as a duplicate of this bug. ***
Created attachment 47621 [details] New crash information added by DrKonqi plasma-desktop (0.3) on KDE Platform 4.4.81 (KDE 4.4.81 (KDE 4.5 >= 20100527)) "release 8" using Qt 4.7.0 I deleted an activity in activity manager which crashed plasma, producing the attached backgrace. -- Backtrace (Reduced): #8 0xb7447452 in Plasma::AbstractIconList::itemPosition(int) () from /usr/lib/libplasmagenericshell.so.4 #9 0xb74477e2 in Plasma::AbstractIconList::manageArrows() () from /usr/lib/libplasmagenericshell.so.4 #10 0xb7448556 in Plasma::AbstractIconList::eventFilter(QObject*, QEvent*) () from /usr/lib/libplasmagenericshell.so.4 #11 0xb6013f0a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #12 0xb55257d7 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
Created attachment 47663 [details] New crash information added by DrKonqi plasma-desktop (0.3) on KDE Platform 4.4.81 (KDE 4.4.81 (KDE 4.5 >= 20100527)) using Qt 4.6.2 - What I was doing when the application crashed: For me plasma always crashed when I delete one of those "Unnamed" Activities (A very long list). They all have strange Icons with some random play/stop/x-Buttons on them. -- Backtrace (Reduced): #6 0x00007f344b67f0c2 in QGraphicsItem::pos (this=0x2711ae0) at graphicsview/qgraphicsitem.cpp:3419 #7 0x00007f343e1e9475 in Plasma::AbstractIconList::itemPosition(int) () from /usr/lib/libplasmagenericshell.so.4 #8 0x00007f343e1e97e3 in Plasma::AbstractIconList::manageArrows() () from /usr/lib/libplasmagenericshell.so.4 #9 0x00007f343e1ea5f2 in Plasma::AbstractIconList::eventFilter(QObject*, QEvent*) () from /usr/lib/libplasmagenericshell.so.4 #10 0x00007f344bec4766 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x240edf0, event=0x7fffbb55cde0) at kernel/qcoreapplication.cpp:819
SVN commit 1134617 by nlecureuil: Use QWeakPointer BUG: 240106 M +6 -2 abstracticonlist.cpp M +2 -1 abstracticonlist.h WebSVN link: http://websvn.kde.org/?view=rev&revision=1134617