Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-13-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
	While using multiple Monitor Plasma had crash while ungrouping konsol windows.

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f75fb88b7c0 (LWP 3141))]

Thread 4 (Thread 0x7f75dcd3b700 (LWP 3142)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f75f452706b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f75f45270a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f75eebe0f6e in start_thread (arg=0x7f75dcd3b700) at pthread_create.c:311
#4  0x00007f75fb1749cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f7550082700 (LWP 3143)):
#0  0x00007f75eebe3055 in __GI___pthread_mutex_lock (mutex=0x7f7548000a60) at pthread_mutex_lock.c:95
#1  0x00007f75ee5163a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f75ee4d5d59 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f75ee4d65c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f75ee4d67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f75f7d40a76 in QEventDispatcherGlib::processEvents (this=0x7f75480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f75f7d125ef in QEventLoop::processEvents (this=this@entry=0x7f7550081d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f75f7d128e5 in QEventLoop::exec (this=this@entry=0x7f7550081d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f75f7c1188f in QThread::exec (this=this@entry=0x2869e20) at thread/qthread.cpp:542
#9  0x00007f75f7cf3d13 in QInotifyFileSystemWatcherEngine::run (this=0x2869e20) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f75f7c13f2f in QThreadPrivate::start (arg=0x2869e20) at thread/qthread_unix.cpp:338
#11 0x00007f75eebe0f6e in start_thread (arg=0x7f7550082700) at pthread_create.c:311
#12 0x00007f75fb1749cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f754ebf0700 (LWP 3144)):
#0  __GI___pthread_mutex_lock (mutex=0x7f7540000a60) at pthread_mutex_lock.c:95
#1  0x00007f75ee5163a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f75ee4d5d59 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f75ee4d65c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f75ee4d67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f75f7d40a76 in QEventDispatcherGlib::processEvents (this=0x7f75400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f75f7d125ef in QEventLoop::processEvents (this=this@entry=0x7f754ebefd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f75f7d128e5 in QEventLoop::exec (this=this@entry=0x7f754ebefd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f75f7c1188f in QThread::exec (this=this@entry=0x29827b0) at thread/qthread.cpp:542
#9  0x00007f75f7cf3d13 in QInotifyFileSystemWatcherEngine::run (this=0x29827b0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f75f7c13f2f in QThreadPrivate::start (arg=0x29827b0) at thread/qthread_unix.cpp:338
#11 0x00007f75eebe0f6e in start_thread (arg=0x7f754ebf0700) at pthread_create.c:311
#12 0x00007f75fb1749cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f75fb88b7c0 (LWP 3141)):
[KCrash Handler]
#6  QGraphicsItem::ungrabMouse (this=0x48464d0) at graphicsview/qgraphicsitem.cpp:3522
#7  0x00007f75f767d8af in QGraphicsScenePrivate::clearMouseGrabber (this=this@entry=0x1bf5450) at graphicsview/qgraphicsscene.cpp:1004
#8  0x00007f75f76809cd in QGraphicsScenePrivate::sendMouseEvent (this=0x1bf5450, mouseEvent=0x7fffeb98d5a0) at graphicsview/qgraphicsscene.cpp:1279
#9  0x00007f75f76896f6 in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fffeb98d5a0) at graphicsview/qgraphicsscene.cpp:4102
#10 0x00007f75f769562c in QGraphicsScene::event (this=0x1c1faf0, event=0x7fffeb98d5a0) at graphicsview/qgraphicsscene.cpp:3451
#11 0x00007f75f70b0dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1abb740, receiver=receiver@entry=0x1c1faf0, e=e@entry=0x7fffeb98d5a0) at kernel/qapplication.cpp:4567
#12 0x00007f75f70b7470 in QApplication::notify (this=this@entry=0x1a91680, receiver=receiver@entry=0x1c1faf0, e=e@entry=0x7fffeb98d5a0) at kernel/qapplication.cpp:4353
#13 0x00007f75f89d7a6a in KApplication::notify (this=0x1a91680, receiver=0x1c1faf0, event=0x7fffeb98d5a0) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f75f7d138bd in QCoreApplication::notifyInternal (this=0x1a91680, receiver=0x1c1faf0, event=event@entry=0x7fffeb98d5a0) at kernel/qcoreapplication.cpp:946
#15 0x00007f75f70af526 in sendSpontaneousEvent (event=event@entry=0x7fffeb98d5a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#16 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fffeb98d5a0) at kernel/qapplication.cpp:5565
#17 0x00007f75f76aa8ac in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0x215efd0, event=event@entry=0x7fffeb98dbf0) at graphicsview/qgraphicsview.cpp:646
#18 0x00007f75f76ab7ba in QGraphicsView::mouseMoveEvent (this=0x21256f0, event=0x7fffeb98dbf0) at graphicsview/qgraphicsview.cpp:3276
#19 0x00007f75f7100445 in QWidget::event (this=this@entry=0x21256f0, event=event@entry=0x7fffeb98dbf0) at kernel/qwidget.cpp:8360
#20 0x00007f75f74a15be in QFrame::event (this=0x21256f0, e=0x7fffeb98dbf0) at widgets/qframe.cpp:557
#21 0x00007f75f76ace09 in QGraphicsView::viewportEvent (this=0x21256f0, event=0x7fffeb98dbf0) at graphicsview/qgraphicsview.cpp:2866
#22 0x00007f75f7d13a26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1abb740, receiver=receiver@entry=0x2171ce0, event=event@entry=0x7fffeb98dbf0) at kernel/qcoreapplication.cpp:1056
#23 0x00007f75f70b0ddc in QApplicationPrivate::notify_helper (this=this@entry=0x1abb740, receiver=receiver@entry=0x2171ce0, e=e@entry=0x7fffeb98dbf0) at kernel/qapplication.cpp:4563
#24 0x00007f75f70b75ad in QApplication::notify (this=this@entry=0x1a91680, receiver=receiver@entry=0x2171ce0, e=e@entry=0x7fffeb98dbf0) at kernel/qapplication.cpp:4110
#25 0x00007f75f89d7a6a in KApplication::notify (this=0x1a91680, receiver=0x2171ce0, event=0x7fffeb98dbf0) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007f75f7d138bd in QCoreApplication::notifyInternal (this=0x1a91680, receiver=receiver@entry=0x2171ce0, event=event@entry=0x7fffeb98dbf0) at kernel/qcoreapplication.cpp:946
#27 0x00007f75f70b6d63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x2171ce0, event=event@entry=0x7fffeb98dbf0, alienWidget=alienWidget@entry=0x2171ce0, nativeWidget=nativeWidget@entry=0x21256f0, buttonDown=buttonDown@entry=0x7f75f7b952f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#29 0x00007f75f712b7db in QETWidget::translateMouseEvent (this=this@entry=0x21256f0, event=event@entry=0x7fffeb98df70) at kernel/qapplication_x11.cpp:4631
#30 0x00007f75f712a642 in QApplication::x11ProcessEvent (this=0x1a91680, event=event@entry=0x7fffeb98df70) at kernel/qapplication_x11.cpp:3746
#31 0x00007f75f7152922 in x11EventSourceDispatch (s=0x1abb530, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f75ee4d63b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f75ee4d6708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f75ee4d67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f75f7d40a55 in QEventDispatcherGlib::processEvents (this=0x1a27ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x00007f75f71529d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f75f7d125ef in QEventLoop::processEvents (this=this@entry=0x7fffeb98e350, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f75f7d128e5 in QEventLoop::exec (this=this@entry=0x7fffeb98e350, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f75f7d17e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#40 0x00007f75f70af34c in QApplication::exec () at kernel/qapplication.cpp:3828
#41 0x00007f75fb47e27c in kdemain (argc=1, argv=0x7fffeb98e5a8) at ../../../../plasma/desktop/shell/main.cpp:126
#42 0x00007f75fb09bde5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fffeb98e5a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffeb98e598) at libc-start.c:260
#43 0x000000000040070e in _start ()

Possible duplicates by query: bug 327587, bug 327576, bug 326842, bug 326423, bug 325733.

Reported using DrKonqi