Bug 198091 - plasma-desktop crashes when closing/opening windows
Summary: plasma-desktop crashes when closing/opening windows
Status: RESOLVED FIXED
Alias: None
Product: plasma4
Classification: Plasma
Component: general (show other bugs)
Version: unspecified
Platform: Unlisted Binaries Linux
: NOR crash
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
: 198276 198332 (view as bug list)
Depends on:
Blocks:
 
Reported: 2009-06-27 23:13 UTC by Jason
Modified: 2009-07-03 07:36 UTC (History)
3 users (show)

See Also:
Latest Commit:
Version Fixed In:


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Description Jason 2009-06-27 23:13:04 UTC
Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.93 (KDE 4.2.93 (KDE 4.3 >= 20090623)) "release 1"
Qt Version: 4.5.2
Operating System: Linux 2.6.30-20-default x86_64
Distribution: "openSUSE 11.2 Milestone 2 (x86_64)"

What I was doing when the application crashed:
Happens when  closing/opening windows.  Also seems to happen when manipulating entries in the task bar.  Started happening a few days ago.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7078ea77a0 (LWP 13752))]

Thread 2 (Thread 0x7f705a731910 (LWP 13756)):
#0  0x00007f7073f0e019 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f707417e4fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007f70778c06bc in ?? () from /usr/lib64/libQtNetwork.so.4
#3  0x00007f707417d455 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00007f7073f0963d in start_thread () from /lib64/libpthread.so.0
#5  0x00007f70734ff92d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7078ea77a0 (LWP 13752)):
[KCrash Handler]
#5  QBasicAtomicInt::ref (this=<value optimized out>) at /usr/include/QtCore/qatomic_x86_64.h:121
#6  QList (this=<value optimized out>) at /usr/include/QtCore/qlist.h:111
#7  TaskManager::TaskGroup::members (this=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/libs/taskmanager/taskgroup.cpp:192
#8  0x00007f705c2c2b68 in TaskGroupItem::indexOf (this=0x1d22d40, task=0x18b9840) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskgroupitem.cpp:1036
#9  0x00007f705c2c2c12 in TaskGroupItem::indexOf (this=0x1d61290, task=0x18b9840) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskgroupitem.cpp:1050
#10 0x00007f705c2b9c73 in TaskItemLayout::addTaskItem (this=0x1da38c0, item=0x18b9840) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskitemlayout.cpp:82
#11 0x00007f705c2c4a48 in TaskGroupItem::itemAdded (this=0x1d61290, groupableItem=0x1d5e2f0) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/applets/tasks/taskgroupitem.cpp:448
#12 0x00007f705c2c5ba4 in TaskGroupItem::qt_metacall (this=0x1d61290, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd0e1b310)
    at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/plasma/applets/tasks/taskgroupitem.moc:111
#13 0x00007f70742784bc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#14 0x00007f705c08a38f in TaskManager::TaskGroup::itemAdded (this=0x7fffd0e1afb0, _t1=0x1d5e2f0) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/libs/taskmanager/taskgroup.moc:136
#15 0x00007f705c08a7db in TaskManager::TaskGroup::add (this=0x1d3e6d0, item=0x1d5e2f0) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/libs/taskmanager/taskgroup.cpp:136
#16 0x00007f705c074464 in TaskManager::GroupManagerPrivate::addTask (this=0x1d07830, task=) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/libs/taskmanager/groupmanager.cpp:292
#17 0x00007f705c0764ba in TaskManager::GroupManager::qt_metacall (this=0x1cc3f40, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fffd0e1b580)
    at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/libs/taskmanager/groupmanager.moc:103
#18 0x00007f70742784bc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#19 0x00007f705c08d5a2 in TaskManager::TaskManager::taskAdded (this=0x7fffd0e1afb0, _t1=<value optimized out>)
    at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/libs/taskmanager/taskmanager.moc:155
#20 0x00007f705c08f570 in TaskManager::TaskManager::windowAdded (this=0x1cd0f70, w=62942800) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/libs/taskmanager/taskmanager.cpp:261
#21 0x00007f705c09088f in TaskManager::TaskManager::qt_metacall (this=0x1cd0f70, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd0e1b820)
    at /usr/src/debug/kdebase-workspace-4.2.93svn985654/build/libs/taskmanager/taskmanager.moc:109
#22 0x00007f70742784bc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#23 0x00007f707732cc12 in KWindowSystem::windowAdded (this=0x7fffd0e1afb0, _t1=62942800) at /usr/src/debug/kdelibs-4.2.93svn985654/build/kdeui/kwindowsystem.moc:120
#24 0x00007f707732f83a in KWindowSystemPrivate::addClient (this=0x14c49d0, w=62942800) at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#25 0x00007f707733dd0f in NETRootInfo::update (this=0x14c49f8, dirty_props=<value optimized out>) at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/windowmanagement/netwm.cpp:2138
#26 0x00007f707733e063 in NETRootInfo::event (this=0x14c49f8, event=<value optimized out>, properties=0x7fffd0e1bb40, properties_size=5)
    at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/windowmanagement/netwm.cpp:2058
#27 0x00007f707732fc8c in KWindowSystemPrivate::x11Event (this=0x14c49d0, ev=0x7fffd0e1d510) at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0x00007f70772007d6 in KAppX11HackWidget::publicx11Event (e=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/kernel/kapplication.cpp:900
#29 KApplication::x11EventFilter (e=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdelibs-4.2.93svn985654/kdeui/kernel/kapplication.cpp:950
#30 0x00007f7078bb9f07 in PlasmaApp::x11EventFilter (this=0x13277c0, event=0x7fffd0e1d510) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/shells/desktop/plasmaapp.cpp:490
#31 0x00007f70749bb6c1 in ?? () from /usr/lib64/libQtGui.so.4
#32 0x00007f70749cbcd4 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#33 0x00007f70749f4a8c in ?? () from /usr/lib64/libQtGui.so.4
#34 0x00007f70700b4bce in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#35 0x00007f70700b82a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#36 0x00007f70700b83d0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#37 0x00007f707428b8e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#38 0x00007f70749f423e in ?? () from /usr/lib64/libQtGui.so.4
#39 0x00007f7074261c42 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#40 0x00007f7074262014 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#41 0x00007f70742641c9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#42 0x00007f7078ba69ff in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.2.93svn985654/plasma/shells/desktop/main.cpp:50
#43 0x00007f707344da4d in __libc_start_main () from /lib64/libc.so.6
#44 0x0000000000400819 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi
Comment 1 Aaron J. Seigo 2009-06-27 23:33:46 UTC
please update to at least svn r#985920
Comment 2 Dario Andres 2009-06-29 14:32:10 UTC
*** Bug 198276 has been marked as a duplicate of this bug. ***
Comment 3 Dario Andres 2009-06-29 21:05:32 UTC
*** Bug 198332 has been marked as a duplicate of this bug. ***
Comment 4 Jason 2009-07-02 18:45:36 UTC
I don't know the svn svn but I've updated to rc1 today and I was surprized by this a few minutes afterwards:

Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9d2f2bc7a0 (LWP 30948))]

Thread 2 (Thread 0x7f9d10959910 (LWP 30949)):
#0  0x00007f9d2a323019 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9d2a5934fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007f9d2dcd56bc in ?? () from /usr/lib64/libQtNetwork.so.4
#3  0x00007f9d2a592455 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00007f9d2a31e63d in start_thread () from /lib64/libpthread.so.0
#5  0x00007f9d2991492d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9d2f2bc7a0 (LWP 30948)):
[KCrash Handler]
#5  QList<TaskManager::AbstractGroupableItem*>::contains (t=<value optimized out>, this=<value optimized out>) at /usr/include/QtCore/qlist.h:667
#6  TaskManager::TaskGroup::remove (t=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:169
#7  0x00007f9d1227f9ab in TaskManager::GroupManagerPrivate::removeTask (this=0x22c9f50, task=) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#8  0x00007f9d1227fe93 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x22c9f50) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:164
#9  0x00007f9d122811da in TaskManager::GroupManager::setGroupingStrategy (this=0x2284480, strategy=TaskManager::GroupManager::ProgramGrouping)
    at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:693
#10 0x00007f9d124bfea3 in Tasks::qt_metacall (this=0x1fe4ae0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff54eff3a0)
    at /usr/src/debug/kdebase-workspace-4.2.95/build/plasma/applets/tasks/tasks.moc:85
#11 0x00007f9d2a68d4bc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#12 0x00007f9d124cb8e1 in TaskGroupItem::sizeHintChanged (this=0x1b420b0, _t1=Qt::PreferredSize) at /usr/src/debug/kdebase-workspace-4.2.95/build/plasma/applets/tasks/taskgroupitem.moc:137
#13 0x00007f9d124cea95 in TaskGroupItem::updatePreferredSize (this=0x22f8930) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:786
#14 0x00007f9d124c360d in TaskItemLayout::updatePreferredSize (this=0x22fa760) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:400
#15 0x00007f9d124c4182 in TaskItemLayout::layoutItems (this=0x22fa760) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:377
#16 0x00007f9d124c483f in TaskItemLayout::insert (this=0x22fa760, index=<value optimized out>, item=0x299c110) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:125
#17 0x00007f9d124c4a00 in TaskItemLayout::addTaskItem (this=0x22fa760, item=0x299c110) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:82
#18 0x00007f9d124cf828 in TaskGroupItem::itemAdded (this=0x22f8930, groupableItem=0x2b25610) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:455
#19 0x00007f9d124d0884 in TaskGroupItem::qt_metacall (this=0x22f8930, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff54eff9d0)
    at /usr/src/debug/kdebase-workspace-4.2.95/build/plasma/applets/tasks/taskgroupitem.moc:113
#20 0x00007f9d2a68d4bc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#21 0x00007f9d122954bf in TaskManager::TaskGroup::itemAdded (this=0x1b420b0, _t1=0x2b25610) at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/taskgroup.moc:139
#22 0x00007f9d12295dab in TaskManager::TaskGroup::add (this=0x22f7cc0, item=0x2b25610) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:138
#23 0x00007f9d1227f3d4 in TaskManager::GroupManagerPrivate::addTask (this=0x22c9f50, task=) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:290
#24 0x00007f9d1227fcbb in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x22c9f50) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:155
#25 0x00007f9d12281519 in TaskManager::GroupManager::qt_metacall (this=0x2284480, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff54effc60)
    at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/groupmanager.moc:108
#26 0x00007f9d2a68d4bc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#27 0x00007f9d2a687473 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#28 0x00007f9d2ad7632c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#29 0x00007f9d2ad7d5fe in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x00007f9d2d616346 in KApplication::notify (this=0x19cf7a0, receiver=0x22c9fb8, event=0x7fff54f002a0) at /usr/src/debug/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:302
#31 0x00007f9d2a67833c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#32 0x00007f9d2a6a3aad in ?? () from /usr/lib64/libQtCore.so.4
#33 0x00007f9d2a6a099d in ?? () from /usr/lib64/libQtCore.so.4
#34 0x00007f9d264c9bce in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#35 0x00007f9d264cd2a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#36 0x00007f9d264cd3d0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#37 0x00007f9d2a6a08e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#38 0x00007f9d2ae0923e in ?? () from /usr/lib64/libQtGui.so.4
#39 0x00007f9d2a676c42 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#40 0x00007f9d2a677014 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#41 0x00007f9d2a6791c9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#42 0x00007f9d2efbbabf in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#43 0x00007f9d29862a4d in __libc_start_main () from /lib64/libc.so.6
#44 0x0000000000400819 in _start () at ../sysdeps/x86_64/elf/start.S:113



Different backtrace, same user-level problem?
Comment 5 Jason 2009-07-03 06:28:58 UTC
re-opening as mentioned above
Comment 6 Aaron J. Seigo 2009-07-03 07:36:33 UTC
SVN commit 990720 by aseigo:

backport qpointer usage
BUG:198091


 M  +5 -5      abstractgroupableitem.cpp  
 M  +3 -0      abstractgroupingstrategy.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=990720