Bug 330429

Application: plasma-desktop (4.11.3)
KDE Platform Version: 4.11.3
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic i686
Distribution: Linux Mint 16 Petra

-- Information about the crash:
- What I was doing when the application crashed:

- Unusual behavior I noticed:

When I tried realigning system tray to the right of the panel and bringing the panel to the bottom of the desktop (after setting it to default panel), it crashed.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb12be740 (LWP 1951))]

Thread 5 (Thread 0xae845b40 (LWP 1983)):
#0  0xb776b424 in __kernel_vsyscall ()
#1  0xb212a84b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb76289bc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb312cef2 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb312cf3f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2126d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb761b01e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xa78fbb40 (LWP 1984)):
#0  0xb776b424 in __kernel_vsyscall ()
#1  0xb760ba0b in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2020a4b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2011b68 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2011ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb60868df in QEventDispatcherGlib::processEvents (this=0xa6f00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb60559f3 in QEventLoop::processEvents (this=this@entry=0xa78fb228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6055d19 in QEventLoop::exec (this=this@entry=0xa78fb228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f44e3d in QThread::exec (this=this@entry=0x93c1020) at thread/qthread.cpp:542
#9  0xb6035e14 in QInotifyFileSystemWatcherEngine::run (this=0x93c1020) at io/qfilesystemwatcher_inotify.cpp:265
#10 0xb5f4772f in QThreadPrivate::start (arg=0x93c1020) at thread/qthread_unix.cpp:338
#11 0xb2126d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb761b01e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa62ffb40 (LWP 1986)):
#0  0xb776b424 in __kernel_vsyscall ()
#1  0xb760ba0b in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2020a4b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2011b68 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb201204b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xa6d7232a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb2037c4a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb2126d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb761b01e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa58ffb40 (LWP 1987)):
#0  0xb776b424 in __kernel_vsyscall ()
#1  0xb762e4d2 in clock_gettime () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5fa23ec in do_gettime (frac=0xa58fefc0, sec=0xa58fefb8) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb6087fd2 in updateCurrentTime (this=0x940d5b4) at kernel/qeventdispatcher_unix.cpp:354
#5  QTimerInfoList::timerWait (this=0x940d5b4, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#6  0xb608667b in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa58ff0bc) at kernel/qeventdispatcher_glib.cpp:136
#7  0xb608670d in timerSourcePrepare (source=0x940d580, timeout=0xa58ff0bc) at kernel/qeventdispatcher_glib.cpp:169
#8  0xb2011143 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2011a5f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb2011ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#11 0xb60868df in QEventDispatcherGlib::processEvents (this=0x9462760, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0xb60559f3 in QEventLoop::processEvents (this=this@entry=0xa58ff228, flags=...) at kernel/qeventloop.cpp:149
#13 0xb6055d19 in QEventLoop::exec (this=this@entry=0xa58ff228, flags=...) at kernel/qeventloop.cpp:204
#14 0xb5f44e3d in QThread::exec (this=this@entry=0x90f9bf0) at thread/qthread.cpp:542
#15 0xb6035e14 in QInotifyFileSystemWatcherEngine::run (this=0x90f9bf0) at io/qfilesystemwatcher_inotify.cpp:265
#16 0xb5f4772f in QThreadPrivate::start (arg=0x90f9bf0) at thread/qthread_unix.cpp:338
#17 0xb2126d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0xb761b01e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb12be740 (LWP 1951)):
[KCrash Handler]
#7  0xb606d0d2 in QObject::connect (sender=sender@entry=0x9d1c3d0, signal=signal@entry=0xae901b61 "2destroyed()", receiver=receiver@entry=0x91112b0, method=method@entry=0xae901b50 "1widgetDeleted()", type=type@entry=Qt::AutoConnection) at kernel/qobject.cpp:2550
#8  0xae8e785e in SystemTray::Task::widget (this=this@entry=0x91112b0, host=host@entry=0xa003088, createIfNecessary=createIfNecessary@entry=true) at ../../../../../plasma/generic/applets/systemtray/core/task.cpp:80
#9  0xae8fcfbf in SystemTray::Applet::_onAddedTask (this=this@entry=0xa003088, task=0x91112b0) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:196
#10 0xae8fd3be in SystemTray::Applet::_onWidgetCreationFinished (this=0xa003088) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:278
#11 0xae8fd710 in SystemTray::Applet::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0xbfc69b88, _c=<optimized out>) at ./applet.moc:144
#12 0xb606bfc7 in QMetaObject::activate (sender=sender@entry=0xa1eb448, m=m@entry=0xb7521070 <Plasma::DeclarativeWidget::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#13 0xb73dc6e5 in Plasma::DeclarativeWidget::finished (this=0xa1eb448) at ./declarativewidget.moc:157
#14 0xb73dce53 in Plasma::DeclarativeWidgetPrivate::finishExecute (this=0x93e3460) at ../../plasma/widgets/declarativewidget.cpp:216
#15 0xb73dd753 in Plasma::DeclarativeWidget::qt_static_metacall (_o=0x0, _id=2, _a=<optimized out>, _c=<optimized out>) at ./declarativewidget.moc:72
#16 0xb606877a in QMetaCallEvent::placeMetaCall (this=0x9668458, object=0xa1eb448) at kernel/qobject.cpp:524
#17 0xb607058b in QObject::event (this=this@entry=0xa1eb448, e=e@entry=0x9668458) at kernel/qobject.cpp:1194
#18 0xb5c0e9c4 in QGraphicsWidget::event (this=0xa1eb448, event=0x9668458) at graphicsview/qgraphicswidget.cpp:1461
#19 0xb5567744 in QApplicationPrivate::notify_helper (this=0x8e087b8, receiver=0xa1eb448, e=0x9668458) at kernel/qapplication.cpp:4567
#20 0xb556e223 in QApplication::notify (this=0x8dfe7e8, receiver=receiver@entry=0xa1eb448, e=e@entry=0x9668458) at kernel/qapplication.cpp:4353
#21 0xb66c9ff4 in KApplication::notify (this=0x8dfe7e8, receiver=0xa1eb448, event=0x9668458) at ../../kdeui/kernel/kapplication.cpp:311
#22 0xb6056eda in QCoreApplication::notifyInternal (this=0x8dfe7e8, receiver=receiver@entry=0xa1eb448, event=event@entry=0x9668458) at kernel/qcoreapplication.cpp:946
#23 0xb605a6ad in sendEvent (event=0x9668458, receiver=0xa1eb448) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x8daa130) at kernel/qcoreapplication.cpp:1570
#25 0xb605abbc in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#26 0xb6086f6e in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#27 postEventSourceDispatch (s=0x8e086f0) at kernel/qeventdispatcher_glib.cpp:279
#28 0xb201183e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb2011be8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb2011ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb60868bf in QEventDispatcherGlib::processEvents (this=this@entry=0x8daaea8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0xb561c32e in QGuiEventDispatcherGlib::processEvents (this=0x8daaea8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0xb60559f3 in QEventLoop::processEvents (this=this@entry=0xbfc6a268, flags=...) at kernel/qeventloop.cpp:149
#34 0xb6055d19 in QEventLoop::exec (this=this@entry=0xbfc6a268, flags=...) at kernel/qeventloop.cpp:204
#35 0xb605b89e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#36 0xb5565974 in QApplication::exec () at kernel/qapplication.cpp:3828
#37 0xb7729927 in kdemain (argc=1, argv=0xbfc6a404) at ../../../../plasma/desktop/shell/main.cpp:126
#38 0x0804855b in main (argc=1, argv=0xbfc6a404) at plasma-desktop_dummy.cpp:3

The reporter indicates this bug may be a duplicate of or related to bug 323679.

Possible duplicates by query: bug 328853, bug 323679, bug 323009, bug 318414.

Reported using DrKonqi