Application: plasma-desktop (4.11.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-18-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
Akonadi connection problem?

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma skrivebordsskall (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6d468ac7c0 (LWP 1693))]

Thread 11 (Thread 0x7f6d27517700 (LWP 1694)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6d3f54406b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f6d3f5440a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f6d39bfbf6e in start_thread (arg=0x7f6d27517700) at pthread_create.c:311
#4  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7f6c96f11700 (LWP 1695)):
#0  0x00007f6d395310ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6d39531399 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d394f168a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d394f17ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6d42d5da76 in QEventDispatcherGlib::processEvents (this=0x7f6c900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f6d42d2f5ef in QEventLoop::processEvents (this=this@entry=0x7f6c96f10d70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6d42d2f8e5 in QEventLoop::exec (this=this@entry=0x7f6c96f10d70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f6d42c2e88f in QThread::exec (this=this@entry=0x18f3a60) at thread/qthread.cpp:542
#8  0x00007f6d42d10d13 in QInotifyFileSystemWatcherEngine::run (this=0x18f3a60) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f6d42c30f2f in QThreadPrivate::start (arg=0x18f3a60) at thread/qthread_unix.cpp:338
#10 0x00007f6d39bfbf6e in start_thread (arg=0x7f6c96f11700) at pthread_create.c:311
#11 0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7f6c96710700 (LWP 1696)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6d4110d1cd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f6d4110d209 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c96710700) at pthread_create.c:311
#4  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7f6c95e0f700 (LWP 1697)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6d40e4dbbd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f6d4113ca76 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c95e0f700) at pthread_create.c:311
#4  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f6c94a46700 (LWP 1698)):
#0  0x00007f6d3953174b in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6d39516590 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d394f179d in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d42d5da76 in QEventDispatcherGlib::processEvents (this=0x7f6c400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6d42d2f5ef in QEventLoop::processEvents (this=this@entry=0x7f6c94a45d70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6d42d2f8e5 in QEventLoop::exec (this=this@entry=0x7f6c94a45d70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6d42c2e88f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f6ca01abfd7 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#8  0x00007f6d42c30f2f in QThreadPrivate::start (arg=0x1a70350) at thread/qthread_unix.cpp:338
#9  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c94a46700) at pthread_create.c:311
#10 0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f6c4db30700 (LWP 1699)):
#0  0x00007f6d394f0d24 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6d394f15c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d394f17ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d42d5da76 in QEventDispatcherGlib::processEvents (this=0x7f6c440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6d42d2f5ef in QEventLoop::processEvents (this=this@entry=0x7f6c4db2fdb0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6d42d2f8e5 in QEventLoop::exec (this=this@entry=0x7f6c4db2fdb0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6d42c2e88f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f6d42c30f2f in QThreadPrivate::start (arg=0x192bd00) at thread/qthread_unix.cpp:338
#8  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c4db30700) at pthread_create.c:311
#9  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f6c4ca46700 (LWP 1700)):
#0  0x00007f6d395310ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6d395313c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d394f1651 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d394f17ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6d42d5da76 in QEventDispatcherGlib::processEvents (this=0x7f6c380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f6d42d2f5ef in QEventLoop::processEvents (this=this@entry=0x7f6c4ca45d70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6d42d2f8e5 in QEventLoop::exec (this=this@entry=0x7f6c4ca45d70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f6d42c2e88f in QThread::exec (this=this@entry=0x13bf6c0) at thread/qthread.cpp:542
#8  0x00007f6d42d10d13 in QInotifyFileSystemWatcherEngine::run (this=0x13bf6c0) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f6d42c30f2f in QThreadPrivate::start (arg=0x13bf6c0) at thread/qthread_unix.cpp:338
#10 0x00007f6d39bfbf6e in start_thread (arg=0x7f6c4ca46700) at pthread_create.c:311
#11 0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f6c3d34c700 (LWP 1746)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6c3d36a93b in ?? () from /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/IcedTeaPlugin.so
#2  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c3d34c700) at pthread_create.c:311
#3  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f6c3cb4b700 (LWP 1747)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6c3d36a93b in ?? () from /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/IcedTeaPlugin.so
#2  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c3cb4b700) at pthread_create.c:311
#3  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f6c33fff700 (LWP 1748)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6c3d36a93b in ?? () from /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/IcedTeaPlugin.so
#2  0x00007f6d39bfbf6e in start_thread (arg=0x7f6c33fff700) at pthread_create.c:311
#3  0x00007f6d461909cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f6d468ac7c0 (LWP 1693)):
[KCrash Handler]
#6  QDeclarativeError::isValid (this=0x690077005f0117) at qml/qdeclarativeerror.cpp:138
#7  0x00007f6d44993010 in QDeclarativeExpression::hasError (this=<optimized out>) at qml/qdeclarativeexpression.cpp:769
#8  0x00007f6d449cd54b in QDeclarativeBoundSignal::qt_metacall (this=0x1972320, c=<optimized out>, id=<optimized out>, a=0x7fff3a00da80) at qml/qdeclarativeboundsignal.cpp:200
#9  0x00007f6d42d44c52 in QMetaObject::activate (sender=sender@entry=0x3a36890, m=m@entry=0x7f6ca6146b20 <MouseEventListener::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff3a00da80) at kernel/qobject.cpp:3558
#10 0x00007f6ca5f3e790 in pressed (_t1=0x7fff3a00da90, this=0x3a36890) at ./mouseeventlistener.moc:368
#11 MouseEventListener::sceneEventFilter (this=0x3a36890, item=0x29a5160, event=0x7fff3a00dfb0) at ../../../../plasma/declarativeimports/qtextracomponents/mouseeventlistener.cpp:181
#12 0x00007f6d42698fd5 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0xd53560, item=item@entry=0x29a5160, event=event@entry=0x7fff3a00dfb0) at graphicsview/qgraphicsscene.cpp:1159
#13 0x00007f6d4269d63e in QGraphicsScenePrivate::sendEvent (this=0xd53560, item=0x29a5160, event=0x7fff3a00dfb0) at graphicsview/qgraphicsscene.cpp:1211
#14 0x00007f6d4269db3f in QGraphicsScenePrivate::sendMouseEvent (this=0xd53560, mouseEvent=0x7fff3a00dfb0) at graphicsview/qgraphicsscene.cpp:1295
#15 0x00007f6d426a93b6 in QGraphicsScenePrivate::mousePressEventHandler (this=this@entry=0xd53560, mouseEvent=mouseEvent@entry=0x7fff3a00dfb0) at graphicsview/qgraphicsscene.cpp:1422
#16 0x00007f6d426a9849 in QGraphicsScene::mousePressEvent (this=<optimized out>, mouseEvent=0x7fff3a00dfb0) at graphicsview/qgraphicsscene.cpp:4074
#17 0x00007f6d426b26d0 in QGraphicsScene::event (this=0xdb3940, event=0x7fff3a00dfb0) at graphicsview/qgraphicsscene.cpp:3455
#18 0x00007f6d420cddfc in QApplicationPrivate::notify_helper (this=this@entry=0xc36260, receiver=receiver@entry=0xdb3940, e=e@entry=0x7fff3a00dfb0) at kernel/qapplication.cpp:4567
#19 0x00007f6d420d4470 in QApplication::notify (this=this@entry=0xc116a0, receiver=receiver@entry=0xdb3940, e=e@entry=0x7fff3a00dfb0) at kernel/qapplication.cpp:4353
#20 0x00007f6d439f4a6a in KApplication::notify (this=0xc116a0, receiver=0xdb3940, event=0x7fff3a00dfb0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f6d42d308bd in QCoreApplication::notifyInternal (this=0xc116a0, receiver=0xdb3940, event=event@entry=0x7fff3a00dfb0) at kernel/qcoreapplication.cpp:946
#22 0x00007f6d420cc526 in sendSpontaneousEvent (event=event@entry=0x7fff3a00dfb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#23 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fff3a00dfb0) at kernel/qapplication.cpp:5565
#24 0x00007f6d426c90af in QGraphicsView::mousePressEvent (this=0x308ee70, event=0x7fff3a00e520) at graphicsview/qgraphicsview.cpp:3164
#25 0x00007f6d4211d191 in QWidget::event (this=this@entry=0x308ee70, event=event@entry=0x7fff3a00e520) at kernel/qwidget.cpp:8371
#26 0x00007f6d424be5be in QFrame::event (this=0x308ee70, e=0x7fff3a00e520) at widgets/qframe.cpp:557
#27 0x00007f6d426c9e09 in QGraphicsView::viewportEvent (this=0x308ee70, event=0x7fff3a00e520) at graphicsview/qgraphicsview.cpp:2866
#28 0x00007f6d42d30a26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xc36260, receiver=receiver@entry=0x2924c80, event=event@entry=0x7fff3a00e520) at kernel/qcoreapplication.cpp:1056
#29 0x00007f6d420cdddc in QApplicationPrivate::notify_helper (this=this@entry=0xc36260, receiver=receiver@entry=0x2924c80, e=e@entry=0x7fff3a00e520) at kernel/qapplication.cpp:4563
#30 0x00007f6d420d45ad in QApplication::notify (this=this@entry=0xc116a0, receiver=receiver@entry=0x2924c80, e=e@entry=0x7fff3a00e520) at kernel/qapplication.cpp:4110
#31 0x00007f6d439f4a6a in KApplication::notify (this=0xc116a0, receiver=0x2924c80, event=0x7fff3a00e520) at ../../kdeui/kernel/kapplication.cpp:311
#32 0x00007f6d42d308bd in QCoreApplication::notifyInternal (this=0xc116a0, receiver=receiver@entry=0x2924c80, event=event@entry=0x7fff3a00e520) at kernel/qcoreapplication.cpp:946
#33 0x00007f6d420d3d63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#34 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x2924c80, event=event@entry=0x7fff3a00e520, alienWidget=alienWidget@entry=0x2924c80, nativeWidget=nativeWidget@entry=0x308ee70, buttonDown=buttonDown@entry=0x7f6d42bb22f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#35 0x00007f6d421487db in QETWidget::translateMouseEvent (this=this@entry=0x308ee70, event=event@entry=0x7fff3a00e8a0) at kernel/qapplication_x11.cpp:4631
#36 0x00007f6d42148079 in QApplication::x11ProcessEvent (this=0xc116a0, event=event@entry=0x7fff3a00e8a0) at kernel/qapplication_x11.cpp:3624
#37 0x00007f6d4216f922 in x11EventSourceDispatch (s=0xc37770, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#38 0x00007f6d394f13b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f6d394f1708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f6d394f17ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f6d42d5da55 in QEventDispatcherGlib::processEvents (this=0xba5ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#42 0x00007f6d4216f9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f6d42d2f5ef in QEventLoop::processEvents (this=this@entry=0x7fff3a00ec80, flags=...) at kernel/qeventloop.cpp:149
#44 0x00007f6d42d2f8e5 in QEventLoop::exec (this=this@entry=0x7fff3a00ec80, flags=...) at kernel/qeventloop.cpp:204
#45 0x00007f6d42d34e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#46 0x00007f6d420cc34c in QApplication::exec () at kernel/qapplication.cpp:3828
#47 0x00007f6d4649a64c in kdemain (argc=1, argv=0x7fff3a00eed8) at ../../../../plasma/desktop/shell/main.cpp:126
#48 0x00007f6d460b7de5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff3a00eed8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff3a00eec8) at libc-start.c:260
#49 0x000000000040070e in _start ()

Possible duplicates by query: bug 332233, bug 332212, bug 331640, bug 329380, bug 327744.

Reported using DrKonqi