Bug 297014

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-17-generic x86_64
Distribution: Ubuntu 11.10

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

closing multiple windows of InkScape in a row
I had eclipse, firefox, chrome and thunderbird open

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f99bcc737c0 (LWP 6112))]

Thread 3 (Thread 0x7f9996d60700 (LWP 6463)):
#0  0x00007f99b13b2034 in __pthread_mutex_lock (mutex=0x3348668) at pthread_mutex_lock.c:61
#1  0x00007f99b08a1839 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f99b08a2f9a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99b08a3429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f99b974af3e in QEventDispatcherGlib::processEvents (this=0x3348160, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f99b971ecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f99b971eef7 in QEventLoop::exec (this=0x7f9996d5fcd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f99b963627f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f99b9701cbf in QInotifyFileSystemWatcherEngine::run (this=0x3347420) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f99b9638d05 in QThreadPrivate::start (arg=0x3347420) at thread/qthread_unix.cpp:331
#10 0x00007f99adbbb454 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f99b13afefc in start_thread (arg=0x7f9996d60700) at pthread_create.c:304
#12 0x00007f99bc56c59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f99895c6700 (LWP 6468)):
#0  0x00007f99b13b31fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x33eea58) at pthread_mutex_unlock.c:290
#2  0x00007f99b08a3013 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99b08a3429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f99b974af3e in QEventDispatcherGlib::processEvents (this=0x33ffd20, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f99b971ecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f99b971eef7 in QEventLoop::exec (this=0x7f99895c5cd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f99b963627f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f99b9701cbf in QInotifyFileSystemWatcherEngine::run (this=0x34026f0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f99b9638d05 in QThreadPrivate::start (arg=0x34026f0) at thread/qthread_unix.cpp:331
#10 0x00007f99adbbb454 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f99b13afefc in start_thread (arg=0x7f99895c6700) at pthread_create.c:304
#12 0x00007f99bc56c59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f99bcc737c0 (LWP 6112)):
[KCrash Handler]
#6  0x00007fffe9f53a00 in ?? ()
#7  0x00007f999f01c897 in ?? () from /usr/lib/libtaskmanager.so.4abi2
#8  0x00007f999f01fb87 in ?? () from /usr/lib/libtaskmanager.so.4abi2
#9  0x00007f99b9731d75 in QObjectPrivate::deleteChildren (this=0x47d27f0) at kernel/qobject.cpp:1955
#10 0x00007f99b8b1b12a in QWidget::~QWidget (this=0x4207560, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
#11 0x00007f999f01f9f1 in TaskManager::DesktopsMenu::~DesktopsMenu() () from /usr/lib/libtaskmanager.so.4abi2
#12 0x00007f99b9731d75 in QObjectPrivate::deleteChildren (this=0x41dd410) at kernel/qobject.cpp:1955
#13 0x00007f99b8b1b12a in QWidget::~QWidget (this=0x7fffe9f53a00, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
#14 0x00007f999f250c63 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#15 0x00007f99b9096875 in QGraphicsItem::sceneEvent (this=0x41ded20, event=0x7fffe9f54080) at graphicsview/qgraphicsitem.cpp:6700
#16 0x00007f99b90be81e in QGraphicsScene::contextMenuEvent (this=<optimized out>, contextMenuEvent=0x7fffe9f54080) at graphicsview/qgraphicsscene.cpp:3609
#17 0x00007f99b90cd8f4 in QGraphicsScene::event (this=0x2593280, event=0x7fffe9f54080) at graphicsview/qgraphicsscene.cpp:3407
#18 0x00007f99b8acf474 in notify_helper (e=0x7fffe9f54080, receiver=0x2593280, this=0x2472ce0) at kernel/qapplication.cpp:4486
#19 QApplicationPrivate::notify_helper (this=0x2472ce0, receiver=0x2593280, e=0x7fffe9f54080) at kernel/qapplication.cpp:4458
#20 0x00007f99b8ad42e1 in QApplication::notify (this=0x2427160, receiver=0x2593280, e=0x7fffe9f54080) at kernel/qapplication.cpp:4365
#21 0x00007f99ba3ce466 in KApplication::notify (this=0x2427160, receiver=0x2593280, event=0x7fffe9f54080) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x00007f99b971fafc in QCoreApplication::notifyInternal (this=0x2427160, receiver=0x2593280, event=0x7fffe9f54080) at kernel/qcoreapplication.cpp:787
#23 0x00007f99b90e35bb in sendEvent (event=0x7fffe9f54080, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QGraphicsView::contextMenuEvent (this=0x382d730, event=0x7fffe9f54790) at graphicsview/qgraphicsview.cpp:2890
#25 0x00007f99b8b1fa50 in QWidget::event (this=0x382d730, event=0x7fffe9f54790) at kernel/qwidget.cpp:8462
#26 0x00007f99b8ec85b6 in QFrame::event (this=0x382d730, e=0x7fffe9f54790) at widgets/qframe.cpp:557
#27 0x00007f99b90ebdfb in QGraphicsView::viewportEvent (this=0x382d730, event=0x7fffe9f54790) at graphicsview/qgraphicsview.cpp:2864
#28 0x00007f99b971fc88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x38415e0, event=0x7fffe9f54790) at kernel/qcoreapplication.cpp:902
#29 0x00007f99b8acf43f in notify_helper (e=0x7fffe9f54790, receiver=0x38415e0, this=0x2472ce0) at kernel/qapplication.cpp:4482
#30 QApplicationPrivate::notify_helper (this=0x2472ce0, receiver=0x38415e0, e=0x7fffe9f54790) at kernel/qapplication.cpp:4458
#31 0x00007f99b8ad47c9 in QApplication::notify (this=<optimized out>, receiver=0x38415e0, e=0x7fffe9f54790) at kernel/qapplication.cpp:4126
#32 0x00007f99ba3ce466 in KApplication::notify (this=0x2427160, receiver=0x38415e0, event=0x7fffe9f54790) at ../../kdeui/kernel/kapplication.cpp:311
#33 0x00007f99b971fafc in QCoreApplication::notifyInternal (this=0x2427160, receiver=0x38415e0, event=0x7fffe9f54790) at kernel/qcoreapplication.cpp:787
#34 0x00007f99b8b4fa3a in sendSpontaneousEvent (event=0x7fffe9f54790, receiver=0x38415e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#35 QETWidget::translateMouseEvent (this=0x382d730, event=<optimized out>) at kernel/qapplication_x11.cpp:4576
#36 0x00007f99b8b4e94e in QApplication::x11ProcessEvent (this=0x2427160, event=0x7fffe9f54f80) at kernel/qapplication_x11.cpp:3693
#37 0x00007f99b8b774a2 in x11EventSourceDispatch (s=0x2478350, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#38 0x00007f99b08a2a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f99b08a3258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f99b08a3429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f99b974aed6 in QEventDispatcherGlib::processEvents (this=0x2372f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#42 0x00007f99b8b7710e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f99b971ecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#44 0x00007f99b971eef7 in QEventLoop::exec (this=0x7fffe9f55350, flags=...) at kernel/qeventloop.cpp:201
#45 0x00007f99b9723789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#46 0x00007f99bc86b1a3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#47 0x00007f99bc4aa30d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fffe9f55738, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe9f55728) at libc-start.c:226
#48 0x0000000000400671 in _start ()

Possible duplicates by query: bug 281985, bug 280776, bug 278498, bug 278191, bug 273680.

Reported using DrKonqi