Bug 299366

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Linux Mint 12 KDE

-- Information about the crash:
- What I was doing when the application crashed:
I had 2 default panels one on each of two screens that I had. When I closed the one on my secondary monitor, KDE crashed, but fully restored automatically

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5543af37a0 (LWP 1877))]

Thread 3 (Thread 0x7f5520e59700 (LWP 2077)):
#0  0x00007f55433d7473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5537719f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f553771a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f55405c1f3e in QEventDispatcherGlib::processEvents (this=0x1b8e4e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5540595cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5540595ef7 in QEventLoop::exec (this=0x7f5520e58db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f55404ad27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5540578cbf in QInotifyFileSystemWatcherEngine::run (this=0x1b7b120) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f55404afd05 in QThreadPrivate::start (arg=0x1b7b120) at thread/qthread_unix.cpp:331
#9  0x00007f5538226efc in start_thread (arg=0x7f5520e59700) at pthread_create.c:304
#10 0x00007f55433e359d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5514ee4700 (LWP 2091)):
#0  0x00007f55433d7473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5537719f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f553771a792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f55159c2516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f553773f2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5538226efc in start_thread (arg=0x7f5514ee4700) at pthread_create.c:304
#6  0x00007f55433e359d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5543af37a0 (LWP 1877)):
[KCrash Handler]
#6  0x00007f553ff010b4 in QGraphicsItem::isPanel (this=0x25d2210) at graphicsview/qgraphicsitem.cpp:1780
#7  0x00007f553ff44cbb in QGraphicsScene::event (this=0xff0c00, event=<optimized out>) at graphicsview/qgraphicsscene.cpp:3490
#8  0x00007f553f946474 in notify_helper (e=0x7fff0b8e8aa0, receiver=0xff0c00, this=0xfe4d10) at kernel/qapplication.cpp:4486
#9  QApplicationPrivate::notify_helper (this=0xfe4d10, receiver=0xff0c00, e=0x7fff0b8e8aa0) at kernel/qapplication.cpp:4458
#10 0x00007f553f94b2e1 in QApplication::notify (this=0xfcc6c0, receiver=0xff0c00, e=0x7fff0b8e8aa0) at kernel/qapplication.cpp:4365
#11 0x00007f5541245466 in KApplication::notify (this=0xfcc6c0, receiver=0xff0c00, event=0x7fff0b8e8aa0) at ../../kdeui/kernel/kapplication.cpp:311
#12 0x00007f5540596afc in QCoreApplication::notifyInternal (this=0xfcc6c0, receiver=0xff0c00, event=0x7fff0b8e8aa0) at kernel/qcoreapplication.cpp:787
#13 0x00007f553ff62f87 in sendEvent (event=0x7fff0b8e8aa0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#14 QGraphicsView::viewportEvent (this=0x25809a0, event=0x7fff0b8e8aa0) at graphicsview/qgraphicsview.cpp:2793
#15 0x00007f5540596c88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x2867e40, event=0x7fff0b8e8aa0) at kernel/qcoreapplication.cpp:902
#16 0x00007f553f94643f in notify_helper (e=0x7fff0b8e8aa0, receiver=0x2867e40, this=0xfe4d10) at kernel/qapplication.cpp:4482
#17 QApplicationPrivate::notify_helper (this=0xfe4d10, receiver=0x2867e40, e=0x7fff0b8e8aa0) at kernel/qapplication.cpp:4458
#18 0x00007f553f94b2e1 in QApplication::notify (this=0xfcc6c0, receiver=0x2867e40, e=0x7fff0b8e8aa0) at kernel/qapplication.cpp:4365
#19 0x00007f5541245466 in KApplication::notify (this=0xfcc6c0, receiver=0x2867e40, event=0x7fff0b8e8aa0) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f5540596afc in QCoreApplication::notifyInternal (this=0xfcc6c0, receiver=0x2867e40, event=0x7fff0b8e8aa0) at kernel/qcoreapplication.cpp:787
#21 0x00007f553f9974bf in sendEvent (event=0x7fff0b8e8aa0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QWidget::event (this=<optimized out>, event=0x7fff0b8e8aa0) at kernel/qwidget.cpp:8551
#23 0x00007f553fd3f5b6 in QFrame::event (this=0x25809a0, e=0x7fff0b8e8aa0) at widgets/qframe.cpp:557
#24 0x00007f553fdc12fb in QAbstractScrollArea::event (this=0x25809a0, e=0x7fff0b8e8aa0) at widgets/qabstractscrollarea.cpp:996
#25 0x00007f553f946474 in notify_helper (e=0x7fff0b8e8aa0, receiver=0x25809a0, this=0xfe4d10) at kernel/qapplication.cpp:4486
#26 QApplicationPrivate::notify_helper (this=0xfe4d10, receiver=0x25809a0, e=0x7fff0b8e8aa0) at kernel/qapplication.cpp:4458
#27 0x00007f553f94b2e1 in QApplication::notify (this=0xfcc6c0, receiver=0x25809a0, e=0x7fff0b8e8aa0) at kernel/qapplication.cpp:4365
#28 0x00007f5541245466 in KApplication::notify (this=0xfcc6c0, receiver=0x25809a0, event=0x7fff0b8e8aa0) at ../../kdeui/kernel/kapplication.cpp:311
#29 0x00007f5540596afc in QCoreApplication::notifyInternal (this=0xfcc6c0, receiver=0x25809a0, event=0x7fff0b8e8aa0) at kernel/qcoreapplication.cpp:787
#30 0x00007f553f949c6d in sendSpontaneousEvent (event=0x7fff0b8e8aa0, receiver=0x25809a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#31 QApplication::setActiveWindow (act=<optimized out>) at kernel/qapplication.cpp:2624
#32 0x00007f553f9c5c4d in QApplication::x11ProcessEvent (this=0xfcc6c0, event=0x7fff0b8e9030) at kernel/qapplication_x11.cpp:3612
#33 0x00007f553f9ee4a2 in x11EventSourceDispatch (s=0xfede20, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#34 0x00007f5537719a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f553771a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f553771a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f55405c1ed6 in QEventDispatcherGlib::processEvents (this=0xf6bf40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f553f9ee10e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f5540595cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f5540595ef7 in QEventLoop::exec (this=0x7fff0b8e9400, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f554059a789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#42 0x00007f55436e21a3 in kdemain (argc=1, argv=0x7fff0b8e97e8) at ../../../../plasma/desktop/shell/main.cpp:120
#43 0x00007f554332130d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff0b8e97e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0b8e97d8) at libc-start.c:226
#44 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 289402.

Possible duplicates by query: bug 297243, bug 296745, bug 295149, bug 295022, bug 293050.

Reported using DrKonqi