[Bug 286012] Removing a resource may lead to a plasma-device crash

Mon Nov 7 16:07:15 UTC 2011

https://bugs.kde.org/show_bug.cgi?id=286012


--- Comment #2 from Aaron J. Seigo <aseigo kde org>  2011-11-07 16:07:14 ---
Application: Plasma Workspace (plasma-device), signal: Segmentation fault
[KCrash Handler]
#7  QBasicAtomicInt::ref (this=0xbffb2c28, alloc=31) at
/usr/include/qt4/QtCore/qatomic_i386.h:120
#8  QString (this=0xbffb2c28, alloc=31) at
/usr/include/qt4/QtCore/qstring.h:729
#9  QList<QString>::node_copy (this=0xbffb2c28, alloc=31) at
/usr/include/qt4/QtCore/qlist.h:399
#10 QList<QString>::detach_helper (this=0xbffb2c28, alloc=31) at
/usr/include/qt4/QtCore/qlist.h:696
#11 0xaefc704b in QList<QString>::detach_helper (this=0xbffb2c28) at
/usr/include/qt4/QtCore/qlist.h:710
#12 0xaefdb44e in QList (this=0xc010300) at /usr/include/qt4/QtCore/qlist.h:118
#13 QStringList (this=0xc010300) at /usr/include/qt4/QtCore/qstringlist.h:71
#14 TaskManager::Task::activities (this=0xc010300) at
../../../libs/taskmanager/task.cpp:681
#15 0xaefdb4ed in TaskManager::Task::isOnCurrentActivity (this=0xc010300) at
../../../libs/taskmanager/task.cpp:671
#16 0xaf05dbc6 in TaskSource::updateActivity (this=0xcaf2800) at
../../../../../plasma/generic/dataengines/tasks/tasksource.cpp:170
#17 0xaf05df22 in TaskSource::qt_metacall (this=0xcaf2800,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbffb2dd8) at
./tasksource.moc:83
#18 0x47f466ab in QMetaObject::metacall (object=0xcaf2800,
cl=QMetaObject::InvokeMetaMethod, idx=17, argv=0xbffb2dd8) at
kernel/qmetaobject.cpp:237
#19 0x47f54f8f in QMetaObject::activate (sender=0xa04e0a0, m=0xaefff00c,
local_signal_index=5, argv=0xbffb2dd8) at kernel/qobject.cpp:3278
#20 0xaefe7584 in TaskManager::TaskManager::activityChanged (this=0xa04e0a0,
_t1=...) at ./taskmanager.moc:207
#21 0xaefe75b5 in TaskManager::TaskManager::currentActivityChanged
(this=0xa04e0a0, activity=...) at ../../../libs/taskmanager/taskmanager.cpp:434
#22 0xaefe9005 in TaskManager::TaskManager::qt_metacall (this=0xa04e0a0,
_c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbffb2f78) at
./taskmanager.moc:128
#23 0x47f466ab in QMetaObject::metacall (object=0xa04e0a0,
cl=QMetaObject::InvokeMetaMethod, idx=16, argv=0xbffb2f78) at
kernel/qmetaobject.cpp:237
#24 0x47f54f8f in QMetaObject::activate (sender=0xa0dcb30, m=0xaefae030,
local_signal_index=0, argv=0xbffb2f78) at kernel/qobject.cpp:3278
#25 0xaef76c54 in KActivityConsumer::currentActivityChanged (this=0xa0dcb30,
_t1=...) at moc_kactivityconsumer.cpp:126
#26 0xaef76eb5 in KActivityConsumer::qt_metacall (this=0xa0dcb30,
_c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbffb30a8) at
moc_kactivityconsumer.cpp:87
#27 0x47f466ab in QMetaObject::metacall (object=0xa0dcb30,
cl=QMetaObject::InvokeMetaMethod, idx=4, argv=0xbffb30a8) at
kernel/qmetaobject.cpp:237
#28 0x47f54f8f in QMetaObject::activate (sender=0xa0f4aa8, m=0xaefae724,
local_signal_index=6, argv=0xbffb30a8) at kernel/qobject.cpp:3278
#29 0xaef9b6e4 in OrgKdeActivityManagerInterface::CurrentActivityChanged
(this=0xa0f4aa8, _t1=...) at activitymanager_interface.moc:249
#30 0xaef9bbda in OrgKdeActivityManagerInterface::qt_metacall (this=0xa0f4aa8,
_c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbffb347c) at
activitymanager_interface.moc:145
#31 0xaef76b9b in KActivityManager::qt_metacall (this=0xa0f4aa8,
_c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbffb347c) at
moc_kactivitymanager_p.cpp:75
#32 0x480f6cbd in QDBusConnectionPrivate::deliverCall (this=0x9e0ab98,
object=0xa0f4aa8, msg=..., metaTypes=..., slotIdx=11) at
qdbusintegrator.cpp:941
#33 0x481014e8 in QDBusCallDeliveryEvent::placeMetaCall (this=0xcbb8700,
object=0xa0f4aa8) at qdbusintegrator_p.h:103
#34 0x47f54ad7 in QObject::event (this=0xa0f4aa8, e=0xcbb8700) at
kernel/qobject.cpp:1217
#35 0x4882059c in QApplicationPrivate::notify_helper (this=0x9e11a18,
receiver=0xa0f4aa8, e=0xcbb8700) at kernel/qapplication.cpp:4467
#36 0x4882517e in QApplication::notify (this=0x9e07488, receiver=<value
optimized out>, e=0xcbb8700) at kernel/qapplication.cpp:3867
#37 0xb729c62b in KApplication::notify (this=0x9e07488, receiver=0xa0f4aa8,
event=0xcbb8700) at ../../kdeui/kernel/kapplication.cpp:311
#38 0x47f40323 in QCoreApplication::notifyInternal (this=0x9e07488,
receiver=0xa0f4aa8, event=0xcbb8700) at kernel/qcoreapplication.cpp:731
#39 0x47f43d55 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value
optimized out>, data=0x9df0f78) at
../../src/corelib/kernel/qcoreapplication.h:215
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x9df0f78) at kernel/qcoreapplication.cpp:1372
#41 0x47f43f2e in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0) at kernel/qcoreapplication.cpp:1265
#42 0x47f6c7e5 in QCoreApplication::sendPostedEvents (s=0x9e143b8) at
../../src/corelib/kernel/qcoreapplication.h:220
#43 postEventSourceDispatch (s=0x9e143b8) at
kernel/qeventdispatcher_glib.cpp:277
#44 0x47a41afb in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#45 0x47a4211f in ?? () from /lib/libglib-2.0.so.0
#46 0x47a422e2 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#47 0x47f6c95d in QEventDispatcherGlib::processEvents (this=0x9df0e70,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#48 0x488d07b6 in QGuiEventDispatcherGlib::processEvents (this=0x9df0e70,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x47f3f4ba in QEventLoop::processEvents (this=0xbffb3c44, flags=...) at
kernel/qeventloop.cpp:149
#50 0x47f3f76a in QEventLoop::exec (this=0xbffb3c44, flags=...) at
kernel/qeventloop.cpp:201
#51 0x47f43ff4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#52 0x4881e608 in QApplication::exec () at kernel/qapplication.cpp:3741
#53 0xb7809a29 in kdemain (argc=1, argv=0xbffb3e54) at ../../shell/main.cpp:63
#54 0x0804858c in main (argc=1, argv=0xbffb3e54) at plasma-device_dummy.cpp:3

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