Bug 336611

Application: plasma-desktop (4.11.9)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.13.0-24-generic x86_64
Distribution: Ubuntu 14.04 LTS

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

Using Eclipse,  Dolphin, Clementine, Terminal, Okular, Firefox, Synaptic at the same time

-- Backtrace:
Application: Оболочка 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 0x7ff789ea17c0 (LWP 1944))]

Thread 5 (Thread 0x7ff760485700 (LWP 1945)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff782b40ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff782b41039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff77d3ed182 in start_thread (arg=0x7ff760485700) at pthread_create.c:312
#4  0x00007ff78978e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7ff6d8c23700 (LWP 1951)):
#0  0x00007ff77d3f0816 in __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7ff6d4000a60) at pthread_mutex_unlock.c:69
#1  __GI___pthread_mutex_unlock (mutex=0x7ff6d4000a60) at pthread_mutex_unlock.c:310
#2  0x00007ff77cd1d9c1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff77ccdb680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff77ccdbf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff77ccdc0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff7863567be in QEventDispatcherGlib::processEvents (this=0x7ff6d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007ff7863280af in QEventLoop::processEvents (this=this@entry=0x7ff6d8c22de0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007ff7863283a5 in QEventLoop::exec (this=this@entry=0x7ff6d8c22de0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007ff786224c5f in QThread::exec (this=this@entry=0x2985ab0) at thread/qthread.cpp:537
#10 0x00007ff786309823 in QInotifyFileSystemWatcherEngine::run (this=0x2985ab0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007ff78622732f in QThreadPrivate::start (arg=0x2985ab0) at thread/qthread_unix.cpp:349
#12 0x00007ff77d3ed182 in start_thread (arg=0x7ff6d8c23700) at pthread_create.c:312
#13 0x00007ff78978e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7ff6cef43700 (LWP 1990)):
#0  0x00007fff1a3c3a1f in ?? ()
#1  0x0000000000000005 in ?? ()
#2  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff6cdbf5700 (LWP 2093)):
#0  0x00007ff7863567c4 in QEventDispatcherGlib::processEvents (this=0x7ff6c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:435
#1  0x00007ff7863280af in QEventLoop::processEvents (this=this@entry=0x7ff6cdbf4de0, flags=...) at kernel/qeventloop.cpp:149
#2  0x00007ff7863283a5 in QEventLoop::exec (this=this@entry=0x7ff6cdbf4de0, flags=...) at kernel/qeventloop.cpp:204
#3  0x00007ff786224c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#4  0x00007ff6d1b25027 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#5  0x00007ff78622732f in QThreadPrivate::start (arg=0x375ba80) at thread/qthread_unix.cpp:349
#6  0x00007ff77d3ed182 in start_thread (arg=0x7ff6cdbf5700) at pthread_create.c:312
#7  0x00007ff78978e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ff789ea17c0 (LWP 1944)):
[KCrash Handler]
#6  QTimer::start (this=0x0, msec=msec@entry=800) at kernel/qtimer.cpp:233
#7  0x00007ff6dee987a3 in MouseEventListener::sceneEventFilter (this=0x51efa40, item=0x47e1d90, event=0x7fff1a2474e0) at ../../../../plasma/declarativeimports/qtextracomponents/mouseeventlistener.cpp:184
#8  0x00007ff785c8ea85 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0x21541f0, item=item@entry=0x47e1d90, event=event@entry=0x7fff1a2474e0) at graphicsview/qgraphicsscene.cpp:1159
#9  0x00007ff785c930ae in QGraphicsScenePrivate::sendEvent (this=0x21541f0, item=0x47e1d90, event=0x7fff1a2474e0) at graphicsview/qgraphicsscene.cpp:1211
#10 0x00007ff785c935af in QGraphicsScenePrivate::sendMouseEvent (this=0x21541f0, mouseEvent=0x7fff1a2474e0) at graphicsview/qgraphicsscene.cpp:1295
#11 0x00007ff785c9ee26 in QGraphicsScenePrivate::mousePressEventHandler (this=this@entry=0x21541f0, mouseEvent=mouseEvent@entry=0x7fff1a2474e0) at graphicsview/qgraphicsscene.cpp:1422
#12 0x00007ff785c9f2b9 in QGraphicsScene::mousePressEvent (this=<optimized out>, mouseEvent=0x7fff1a2474e0) at graphicsview/qgraphicsscene.cpp:4074
#13 0x00007ff785ca8100 in QGraphicsScene::event (this=0x2143140, event=0x7fff1a2474e0) at graphicsview/qgraphicsscene.cpp:3455
#14 0x00007ff7856c2e2c in QApplicationPrivate::notify_helper (this=this@entry=0x201c210, receiver=receiver@entry=0x2143140, e=e@entry=0x7fff1a2474e0) at kernel/qapplication.cpp:4567
#15 0x00007ff7856c94a0 in QApplication::notify (this=this@entry=0x1ffbc70, receiver=receiver@entry=0x2143140, e=e@entry=0x7fff1a2474e0) at kernel/qapplication.cpp:4353
#16 0x00007ff786feed1a in KApplication::notify (this=0x1ffbc70, receiver=0x2143140, event=0x7fff1a2474e0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007ff7863294dd in QCoreApplication::notifyInternal (this=0x1ffbc70, receiver=0x2143140, event=event@entry=0x7fff1a2474e0) at kernel/qcoreapplication.cpp:953
#18 0x00007ff7856c1556 in sendSpontaneousEvent (event=event@entry=0x7fff1a2474e0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#19 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fff1a2474e0) at kernel/qapplication.cpp:5565
#20 0x00007ff785cbea5f in QGraphicsView::mousePressEvent (this=0x3379d60, event=0x7fff1a247a50) at graphicsview/qgraphicsview.cpp:3164
#21 0x00007ff78571237b in QWidget::event (this=this@entry=0x3379d60, event=event@entry=0x7fff1a247a50) at kernel/qwidget.cpp:8372
#22 0x00007ff785ab3fce in QFrame::event (this=0x3379d60, e=0x7fff1a247a50) at widgets/qframe.cpp:557
#23 0x00007ff785cbf7b9 in QGraphicsView::viewportEvent (this=0x3379d60, event=0x7fff1a247a50) at graphicsview/qgraphicsview.cpp:2866
#24 0x00007ff786329646 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x201c210, receiver=receiver@entry=0x3520ea0, event=event@entry=0x7fff1a247a50) at kernel/qcoreapplication.cpp:1063
#25 0x00007ff7856c2e0c in QApplicationPrivate::notify_helper (this=this@entry=0x201c210, receiver=receiver@entry=0x3520ea0, e=e@entry=0x7fff1a247a50) at kernel/qapplication.cpp:4563
#26 0x00007ff7856c95dd in QApplication::notify (this=this@entry=0x1ffbc70, receiver=receiver@entry=0x3520ea0, e=e@entry=0x7fff1a247a50) at kernel/qapplication.cpp:4110
#27 0x00007ff786feed1a in KApplication::notify (this=0x1ffbc70, receiver=0x3520ea0, event=0x7fff1a247a50) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007ff7863294dd in QCoreApplication::notifyInternal (this=0x1ffbc70, receiver=receiver@entry=0x3520ea0, event=event@entry=0x7fff1a247a50) at kernel/qcoreapplication.cpp:953
#29 0x00007ff7856c8d93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#30 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x3520ea0, event=event@entry=0x7fff1a247a50, alienWidget=alienWidget@entry=0x3520ea0, nativeWidget=nativeWidget@entry=0x3379d60, buttonDown=buttonDown@entry=0x7ff7861a8318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#31 0x00007ff78573d9cb in QETWidget::translateMouseEvent (this=this@entry=0x3379d60, event=event@entry=0x7fff1a247dd0) at kernel/qapplication_x11.cpp:4634
#32 0x00007ff78573d269 in QApplication::x11ProcessEvent (this=0x1ffbc70, event=event@entry=0x7fff1a247dd0) at kernel/qapplication_x11.cpp:3627
#33 0x00007ff785764b02 in x11EventSourceDispatch (s=0x2021d20, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#34 0x00007ff77ccdbe04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ff77ccdc048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ff77ccdc0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007ff7863567a1 in QEventDispatcherGlib::processEvents (this=0x1f8baf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#38 0x00007ff785764bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007ff7863280af in QEventLoop::processEvents (this=this@entry=0x7fff1a2481a0, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007ff7863283a5 in QEventLoop::exec (this=this@entry=0x7fff1a2481a0, flags=...) at kernel/qeventloop.cpp:204
#41 0x00007ff78632db79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#42 0x00007ff789a9566c in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#43 0x00007ff7896b4ec5 in __libc_start_main (main=0x4006e0, argc=1, argv=0x7fff1a2483f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1a2483e8) at libc-start.c:287
#44 0x000000000040070e in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 326941.

Possible duplicates by query: bug 336535, bug 336483, bug 335430, bug 333928, bug 332905.

Reported using DrKonqi