Application: plasma-desktop (0.4) KDE Platform Version: 4.8.3 (4.8.3) Qt Version: 4.8.1 Operating System: Linux 3.2.0-24-generic-pae i686 Distribution: Ubuntu 12.04 LTS -- Information about the crash: - What I was doing when the application crashed: I returned the computer from standby and plasma-widget-menubar crashed. This happened several time until now - each time after comming back from standby, never during the session. The crash can be reproduced some of the time. -- Backtrace: Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0xb1ac0740 (LWP 1611))] Thread 5 (Thread 0xa9f4bb40 (LWP 1613)): #0 QTimerInfoList::updateCurrentTime (this=0xa9602074) at kernel/qeventdispatcher_unix.cpp:342 #1 0xb645e57a in QTimerInfoList::timerWait (this=0xa9602074, tm=...) at kernel/qeventdispatcher_unix.cpp:450 #2 0xb645ce23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa9f4b0bc) at kernel/qeventdispatcher_glib.cpp:136 #3 0xb645cebd in timerSourcePrepare (source=0xa9602040, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169 #4 0xb2bb7762 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0xb2bb7f6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #6 0xb2bb81c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0xb645d8e7 in QEventDispatcherGlib::processEvents (this=0xa9600468, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #8 0xb642950d in QEventLoop::processEvents (this=0xa9f4b240, flags=...) at kernel/qeventloop.cpp:149 #9 0xb64297a9 in QEventLoop::exec (this=0xa9f4b240, flags=...) at kernel/qeventloop.cpp:204 #10 0xb631294c in QThread::exec (this=0x9ddf958) at thread/qthread.cpp:501 #11 0xb6406b5d in QInotifyFileSystemWatcherEngine::run (this=0x9ddf958) at io/qfilesystemwatcher_inotify.cpp:248 #12 0xb6315de0 in QThreadPrivate::start (arg=0x9ddf958) at thread/qthread_unix.cpp:298 #13 0xb2cc8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #14 0xb7639ace in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 4 (Thread 0xa89ebb40 (LWP 1617)): #0 0xb2bf70a7 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #1 0xb2bf73c8 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0 #2 0xb2bb7a66 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0xb2bb8002 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #4 0xb2bb81c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0xb645d8e7 in QEventDispatcherGlib::processEvents (this=0xa8000468, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #6 0xb642950d in QEventLoop::processEvents (this=0xa89eb240, flags=...) at kernel/qeventloop.cpp:149 #7 0xb64297a9 in QEventLoop::exec (this=0xa89eb240, flags=...) at kernel/qeventloop.cpp:204 #8 0xb631294c in QThread::exec (this=0xa1f0d48) at thread/qthread.cpp:501 #9 0xb6406b5d in QInotifyFileSystemWatcherEngine::run (this=0xa1f0d48) at io/qfilesystemwatcher_inotify.cpp:248 #10 0xb6315de0 in QThreadPrivate::start (arg=0xa1f0d48) at thread/qthread_unix.cpp:298 #11 0xb2cc8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #12 0xb7639ace in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 3 (Thread 0xa721bb40 (LWP 1623)): #0 0xb778c424 in __kernel_vsyscall () #1 0xb2ccc96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 #2 0xb76473dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6 #3 0xb3c8b029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4 #4 0xb3c8b06f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4 #5 0xb2cc8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #6 0xb7639ace in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 2 (Thread 0xa5570b40 (LWP 1625)): #0 0xb778c424 in __kernel_vsyscall () #1 0xb762b380 in poll () from /lib/i386-linux-gnu/libc.so.6 #2 0xb2bc5a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0xb2bb806e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #4 0xb2bb852b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0xa5e600ea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 #6 0xb2bdb673 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0xb2cc8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #8 0xb7639ace in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 1 (Thread 0xb1ac0740 (LWP 1611)): [KCrash Handler] #7 0xb644ede4 in QVariant::userType (this=0x2874) at kernel/qvariant.cpp:1784 #8 0xa954aeb0 in qvariant_cast<QDBusArgument> (v=...) at /usr/include/qt4/QtCore/qvariant.h:574 #9 value<QDBusArgument> (this=0x2874) at /usr/include/qt4/QtCore/qvariant.h:333 #10 Registrar::slotLayoutUpdated (this=0xa021628, parentId=0) at /build/buildd/plasma-widget-menubar-0.1.17/src/registrar.cpp:173 #11 0xa9540b32 in qt_static_metacall (_a=0xbf89ef1c, _id=7, _o=0xa021628, _c=<optimized out>) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:76 #12 Registrar::qt_static_metacall (_o=0xa021628, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf89ef1c) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:61 #13 0xa9540bec in Registrar::qt_metacall (this=0xa021628, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbf89ef1c) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:117 #14 0xb65aaa38 in QDBusConnectionPrivate::deliverCall (this=0x9c0f030, object=0xa021628, msg=..., metaTypes=..., slotIdx=10356) at qdbusintegrator.cpp:947 #15 0xb65b4c8d in QDBusCallDeliveryEvent::placeMetaCall (this=0xb2ecc70, object=0xa021628) at qdbusintegrator_p.h:103 #16 0xb6445c7b in QObject::event (this=0xa021628, e=0xb2ecc70) at kernel/qobject.cpp:1195 #17 0xb5915ed4 in notify_helper (e=0xb2ecc70, receiver=0xa021628, this=0x9c173e0) at kernel/qapplication.cpp:4559 #18 QApplicationPrivate::notify_helper (this=0x9c173e0, receiver=0xa021628, e=0xb2ecc70) at kernel/qapplication.cpp:4531 #19 0xb591b30d in QApplication::notify (this=0xb2ecc70, receiver=0xa021628, e=0xb2ecc70) at kernel/qapplication.cpp:4288 #20 0xb6ac4b61 in KApplication::notify (this=0x9c041c0, receiver=0xa021628, event=0xb2ecc70) at ../../kdeui/kernel/kapplication.cpp:311 #21 0xb642a97e in QCoreApplication::notifyInternal (this=0x9c041c0, receiver=0xa021628, event=0xb2ecc70) at kernel/qcoreapplication.cpp:876 #22 0xb642ead8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9ba9130) at kernel/qcoreapplication.cpp:1500 #24 0xb642ee0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393 #25 0xb645d494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236 #26 postEventSourceDispatch (s=0x9c157e0) at kernel/qeventdispatcher_glib.cpp:279 #27 0xb2bb7cda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #28 0xb2bb80e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #29 0xb2bb81c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #30 0xb645d887 in QEventDispatcherGlib::processEvents (this=0x9ba9ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #31 0xb59ceaaa in QGuiEventDispatcherGlib::processEvents (this=0x9ba9ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #32 0xb642950d in QEventLoop::processEvents (this=0xbf89f6c4, flags=...) at kernel/qeventloop.cpp:149 #33 0xb64297a9 in QEventLoop::exec (this=0xbf89f6c4, flags=...) at kernel/qeventloop.cpp:204 #34 0xb642eeba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148 #35 0xb5913a74 in QApplication::exec () at kernel/qapplication.cpp:3820 #36 0xb7740a7b in kdemain (argc=1, argv=0xbf89f8c4) at ../../../../plasma/desktop/shell/main.cpp:120 #37 0x0804850b in main (argc=1, argv=0xbf89f8c4) at plasma-desktop_dummy.cpp:3 Possible duplicates by query: bug 282308. Reported using DrKonqi
Created attachment 71785 [details] New crash information added by DrKonqi plasma-desktop (0.4) on KDE Platform 4.8.3 (4.8.3) using Qt 4.8.1 The same here: the computer was suspended and when it resumed I saw Dr Konqi. -- Backtrace (Reduced): #6 0x0000003d3b7a2b00 in QVariant::userType() const () from /usr/lib64/qt4/libQtCore.so.4 #7 0x00007f35f8c12a23 in Registrar::slotLayoutUpdated(unsigned int, int) () from /usr/lib64/kde4/plasma_applet_menubar.so #8 0x00007f35f8c0a4c1 in Registrar::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/kde4/plasma_applet_menubar.so #9 0x00007f35f8c0a53b in Registrar::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/kde4/plasma_applet_menubar.so #10 0x0000003d3c42497a in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<int> const&, int) () from /usr/lib64/qt4/libQtDBus.so.4
Just wanted to add the crash is 100%-reproducible. Happens _every_ time I resume my laptop. Don't know if this is relevant, but I'm using xmonad as a wm.
Confirmed by second report.
*** Bug 303745 has been marked as a duplicate of this bug. ***
happens to me too
Created attachment 72625 [details] New crash information added by DrKonqi plasma-desktop (0.4) on KDE Platform 4.8.4 (4.8.4) using Qt 4.8.1 - What I was doing when the application crashed: The computer returned from standby (suspend to ram) and plasma crashed. -- Backtrace (Reduced): #7 0xb639dde4 in QVariant::userType (this=0x6c) at kernel/qvariant.cpp:1784 #8 0xa9491eb0 in qvariant_cast<QDBusArgument> (v=...) at /usr/include/qt4/QtCore/qvariant.h:574 #9 value<QDBusArgument> (this=0x6c) at /usr/include/qt4/QtCore/qvariant.h:333 #10 Registrar::slotLayoutUpdated (this=0x88c2bd0, parentId=0) at /build/buildd/plasma-widget-menubar-0.1.17/src/registrar.cpp:173 #11 0xa9487b32 in qt_static_metacall (_a=0xbfb8dfac, _id=7, _o=0x88c2bd0, _c=<optimized out>) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:76
Created attachment 73061 [details] New crash information added by DrKonqi plasma-desktop (0.4) on KDE Platform 4.8.4 (4.8.4) using Qt 4.8.1 - What I was doing when the application crashed: The issue persists. Reproducible as before. -- Backtrace (Reduced): #7 0xb6413de4 in QVariant::userType (this=0x67) at kernel/qvariant.cpp:1784 #8 0xa9507eb0 in qvariant_cast<QDBusArgument> (v=...) at /usr/include/qt4/QtCore/qvariant.h:574 #9 value<QDBusArgument> (this=0x67) at /usr/include/qt4/QtCore/qvariant.h:333 #10 Registrar::slotLayoutUpdated (this=0x89e56b8, parentId=0) at /build/buildd/plasma-widget-menubar-0.1.17/src/registrar.cpp:173 #11 0xa94fdb32 in qt_static_metacall (_a=0xbf9c565c, _id=7, _o=0x89e56b8, _c=<optimized out>) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:76
*** Bug 306083 has been marked as a duplicate of this bug. ***
Created attachment 74049 [details] New crash information added by DrKonqi plasma-netbook (0.2) on KDE Platform 4.9.1 using Qt 4.8.2 - What I was doing when the application crashed: With the update to KDE 4.9.1, this has started happening to me on every boot (rather than after resume). -- Backtrace (Reduced): #7 0x015e62b4 in QVariant::userType (this=0x26003e39) at kernel/qvariant.cpp:1784 #8 0x03821eb0 in qvariant_cast<QDBusArgument> (v=...) at /usr/include/qt4/QtCore/qvariant.h:574 #9 value<QDBusArgument> (this=0x26003e39) at /usr/include/qt4/QtCore/qvariant.h:333 #10 Registrar::slotLayoutUpdated (this=0x87d7690, parentId=0) at /build/buildd/plasma-widget-menubar-0.1.17/src/registrar.cpp:173 #11 0x03817b32 in qt_static_metacall (_a=0xbfbae80c, _id=7, _o=0x87d7690, _c=<optimized out>) at /build/buildd/plasma-widget-menubar-0.1.17/obj-i686-linux-gnu/src/moc_registrar.cpp:76
*** Bug 307858 has been marked as a duplicate of this bug. ***
plasma-widget-menubar is a Kubuntu-specific add-on, which is no longer maintained, please remove it. https://bugs.launchpad.net/plasma-widget-menubar/+bug/1052192
*** Bug 312948 has been marked as a duplicate of this bug. ***