Bug 255321

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Closing non-KDE SC appication for KDE platform (Amarok)
System appeared to have frozen, followed by disappearance of all Plasma widgets.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fabf4b5c7a0 (LWP 1635))]

Thread 2 (Thread 0x7fabd0908710 (LWP 1638)):
#0  0x00007fabf44691d3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fabe9053009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fabe905345c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fabf1b1e1e6 in QEventDispatcherGlib::processEvents (this=0x1fcb7d0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007fabf1af0a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fabf1af0dec in QEventLoop::exec (this=0x7fabd0907cb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fabf19fb2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007fabf1ad05f8 in QInotifyFileSystemWatcherEngine::run (this=0x1fcae10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fabf19fe27e in QThreadPrivate::start (arg=0x1fcae10) at thread/qthread_unix.cpp:266
#9  0x00007fabec6b0953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fabf1773971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007fabf447591d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fabf4b5c7a0 (LWP 1635)):
[KCrash Handler]
#6  0x00007fabf1af4708 in isEmpty (receiver=0x4d9ef90, event=0x4980630, priority=0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:95
#7  isEmpty (receiver=0x4d9ef90, event=0x4980630, priority=0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:139
#8  QCoreApplication::postEvent (receiver=0x4d9ef90, event=0x4980630, priority=0) at kernel/qcoreapplication.cpp:1174
#9  0x00007fabd5052c73 in StatusNotifierItemJob::contextMenuReady (this=0x4d9ef90, menu=0x2a87d30) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemjob.cpp:53
#10 0x00007fabd5052ce0 in StatusNotifierItemJob::qt_metacall (this=0x4d9ef90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7f77a6c0) at ./statusnotifieritemjob.moc:75
#11 0x00007fabf1b09b27 in QMetaObject::activate (sender=0x38a8d60, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fabf19842a0) at kernel/qobject.cpp:3280
#12 0x00007fabd504cc7f in StatusNotifierItemSource::contextMenuReady (this=0x0, _t1=0x2a87d30) at ./statusnotifieritemsource.moc:109
#13 0x00007fabd5051be4 in StatusNotifierItemSource::qt_metacall (this=0x38a8d60, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7f77a7b0) at ./statusnotifieritemsource.moc:90
#14 0x00007fabf1b09b27 in QMetaObject::activate (sender=0x3470740, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fabf19842a0) at kernel/qobject.cpp:3280
#15 0x00007fabea37889c in DBusMenuImporter::slotMenuAboutToShow() () from /usr/lib/libdbusmenu-qt.so.2
#16 0x00007fabea379a5c in DBusMenuImporter::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libdbusmenu-qt.so.2
#17 0x00007fabf1b09b27 in QMetaObject::activate (sender=0x2a87d30, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fabf19842a0) at kernel/qobject.cpp:3280
#18 0x00007fabf10a1f40 in QMenu::qt_metacall (this=0x2a87d30, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7f77ac30) at .moc/release-shared/moc_qmenu.cpp:97
#19 0x00007fabf1afabf9 in QMetaMethod::invoke (this=0x7fff7f77aee0, object=0x2a87d30, connectionType=<value optimized out>, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1575
#20 0x00007fabf1afc306 in QMetaObject::invokeMethod (obj=0x2a87d30, member=<value optimized out>, type=<value optimized out>, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1148
#21 0x00007fabea3737c1 in DBusMenuImporter::updateMenu() () from /usr/lib/libdbusmenu-qt.so.2
#22 0x00007fabd504e1bb in StatusNotifierItemSource::contextMenu (this=0x38a8d60, x=1438, y=1032) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemsource.cpp:474
#23 0x00007fabd50542d8 in StatusNotifierItemJob::start (this=0x4d9ef90) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemjob.cpp:43
#24 0x00007fabf4042b21 in Plasma::ServiceJob::qt_metacall (this=0x4d9ef90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=<value optimized out>) at ./servicejob.moc:72
#25 0x00007fabd5052cc0 in StatusNotifierItemJob::qt_metacall (this=0x0, _c=4053785376, _id=57274088, _a=0x7fabf19842a0) at ./statusnotifieritemjob.moc:70
#26 0x00007fabf1b03bde in QObject::event (this=0x4d9ef90, e=0x0) at kernel/qobject.cpp:1219
#27 0x00007fabf0c3bfdc in QApplicationPrivate::notify_helper (this=0x1500800, receiver=0x4d9ef90, e=0x4da3510) at kernel/qapplication.cpp:4396
#28 0x00007fabf0c41aed in QApplication::notify (this=0x14f0400, receiver=0x4d9ef90, e=0x4da3510) at kernel/qapplication.cpp:4277
#29 0x00007fabf278d156 in KApplication::notify (this=0x14f0400, receiver=0x4d9ef90, event=0x4da3510) at ../../kdeui/kernel/kapplication.cpp:310
#30 0x00007fabf1af1cdc in QCoreApplication::notifyInternal (this=0x14f0400, receiver=0x4d9ef90, event=0x4da3510) at kernel/qcoreapplication.cpp:732
#31 0x00007fabf1af4c22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1499560) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1499560) at kernel/qcoreapplication.cpp:1373
#33 0x00007fabf1b1e653 in sendPostedEvents (s=0x1503f40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#34 postEventSourceDispatch (s=0x1503f40) at kernel/qeventdispatcher_glib.cpp:277
#35 0x00007fabe904f342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00007fabe90532a8 in ?? () from /lib/libglib-2.0.so.0
#37 0x00007fabe905345c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x00007fabf1b1e193 in QEventDispatcherGlib::processEvents (this=0x1499070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#39 0x00007fabf0ceea4e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007fabf1af0a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#41 0x00007fabf1af0dec in QEventLoop::exec (this=0x7fff7f77c170, flags=) at kernel/qeventloop.cpp:201
#42 0x00007fabf1af4ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#43 0x00007fabf474ca56 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#44 0x00007fabf43add8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff7f77c538) at libc-start.c:226
#45 0x0000000000400669 in _start ()

Reported using DrKonqi