Bug 321861

Application: plasma-desktop (4.10.4)
KDE Platform Version: 4.10.4
Qt Version: 4.8.4
Operating System: Linux 3.8.0-25-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
I was trying to log out, which caused plasma to crash.  Several programs were running at the time (Firefox, kontact, two dolphin and two command windows)

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4305d947c0 (LWP 2773))]

Thread 6 (Thread 0x7f42e7027700 (LWP 2774)):
#0  0x00007f430576ad3d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f430576abe1 in __sleep (seconds=0) at ../sysdeps/unix/sysv/linux/sleep.c:137
#2  0x00007f42febe6e22 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f42febe6ea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#4  0x00007f42f92daf8e in start_thread (arg=0x7f42e7027700) at pthread_create.c:311
#5  0x00007f43057a3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f42dddbb700 (LWP 2775)):
#0  0x00007f43057973cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f42f8bd81dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f8bd8304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4302383036 in QEventDispatcherGlib::processEvents (this=0x7f42d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f430235338f in QEventLoop::processEvents (this=this@entry=0x7f42dddbad90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4302353618 in QEventLoop::exec (this=this@entry=0x7f42dddbad90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4302255410 in QThread::exec (this=this@entry=0x312d080) at thread/qthread.cpp:542
#7  0x00007f4302334edf in QInotifyFileSystemWatcherEngine::run (this=0x312d080) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f4302257bec in QThreadPrivate::start (arg=0x312d080) at thread/qthread_unix.cpp:338
#9  0x00007f42f92daf8e in start_thread (arg=0x7f42dddbb700) at pthread_create.c:311
#10 0x00007f43057a3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f42d5b36700 (LWP 2777)):
#0  0x00007f43057973cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f42f8bd81dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f8bd86ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f42d77084f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f42f8bfbeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f42f92daf8e in start_thread (arg=0x7f42d5b36700) at pthread_create.c:311
#6  0x00007f43057a3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f42ce647700 (LWP 2780)):
#0  0x00007f43057973cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f42f8bd81dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f8bd8304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4302383036 in QEventDispatcherGlib::processEvents (this=0x7f42bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f430235338f in QEventLoop::processEvents (this=this@entry=0x7f42ce646d90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4302353618 in QEventLoop::exec (this=this@entry=0x7f42ce646d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4302255410 in QThread::exec (this=this@entry=0x355fea0) at thread/qthread.cpp:542
#7  0x00007f4302334edf in QInotifyFileSystemWatcherEngine::run (this=0x355fea0) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f4302257bec in QThreadPrivate::start (arg=0x355fea0) at thread/qthread_unix.cpp:338
#9  0x00007f42f92daf8e in start_thread (arg=0x7f42ce647700) at pthread_create.c:311
#10 0x00007f43057a3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f42c1ea3700 (LWP 2783)):
#0  0x00007f42f8c1735c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f42f8c175b9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f8bd790b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f42f8bd80fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f42f8bd8304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4302383036 in QEventDispatcherGlib::processEvents (this=0x7f42b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f430235338f in QEventLoop::processEvents (this=this@entry=0x7f42c1ea2d80, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f4302353618 in QEventLoop::exec (this=this@entry=0x7f42c1ea2d80, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f4302255410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f42c3de06e5 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#10 0x00007f4302257bec in QThreadPrivate::start (arg=0x3e91b70) at thread/qthread_unix.cpp:338
#11 0x00007f42f92daf8e in start_thread (arg=0x7f42c1ea3700) at pthread_create.c:311
#12 0x00007f43057a3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f4305d947c0 (LWP 2773)):
[KCrash Handler]
#6  0x00007f4303f4f944 in QDeclarativeItem::~QDeclarativeItem (this=0x60e3d90, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f4303f1410e in ~QDeclarativeElement (this=0x60e3d90, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x60e3d90, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  0x00007f430236e5e8 in QObject::event (this=0x60e3d90, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007f43016fa8ec in QApplicationPrivate::notify_helper (this=this@entry=0x262b0e0, receiver=receiver@entry=0x60e3d90, e=e@entry=0x54353e0) at kernel/qapplication.cpp:4567
#11 0x00007f43016fd25b in QApplication::notify (this=this@entry=0x261f4d0, receiver=receiver@entry=0x60e3d90, e=e@entry=0x54353e0) at kernel/qapplication.cpp:4428
#12 0x00007f4303018af6 in KApplication::notify (this=0x261f4d0, receiver=0x60e3d90, event=0x54353e0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f430235463e in QCoreApplication::notifyInternal (this=0x261f4d0, receiver=receiver@entry=0x60e3d90, event=event@entry=0x54353e0) at kernel/qcoreapplication.cpp:946
#14 0x00007f4302358171 in sendEvent (event=0x54353e0, receiver=0x60e3d90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0x25971f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007f43023584a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1463
#17 0x00007f4302358d2d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#18 0x00007f43016f8ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#19 0x00007f4305aaf46b in kdemain (argc=1, argv=0x7fff49d4d1f8) at ../../../../plasma/desktop/shell/main.cpp:126
#20 0x00007f43056cbea5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff49d4d1f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff49d4d1e8) at libc-start.c:260
#21 0x0000000000400711 in _start ()

This bug may be a duplicate of or related to bug 302931.

Possible duplicates by query: bug 320582, bug 320469, bug 319473, bug 319189, bug 317212.

Reported using DrKonqi