Bug 315671

Application: systemsettings (1.0)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic i686
Distribution: Ubuntu 12.10

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

I've just pressed "back" in my systemsettings and it crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: Параметры системы (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1edd740 (LWP 2570))]

Thread 3 (Thread 0xae79bb40 (LWP 2571)):
#0  0xb326d991 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb326dc78 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb322c536 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb322cbff in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb322ce61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb607e99f in QEventDispatcherGlib::processEvents (this=0xade00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb604b26c in QEventLoop::processEvents (this=this@entry=0xae79b228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb604b561 in QEventLoop::exec (this=0xae79b228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f3666c in QThread::exec (this=0x96975c8) at thread/qthread.cpp:501
#9  0xb60297bd in QInotifyFileSystemWatcherEngine::run (this=0x96975c8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5f39a58 in QThreadPrivate::start (arg=0x96975c8) at thread/qthread_unix.cpp:338
#11 0xb3301d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb5d2dd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xada16b40 (LWP 2572)):
#0  0xb7753424 in __kernel_vsyscall ()
#1  0xb330596b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5d3b64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43f31cd in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb43f31ff in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb3301d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb5d2dd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1edd740 (LWP 2570)):
[KCrash Handler]
#7  0xb3e4c6ce in QDeclarativeItem::~QDeclarativeItem (this=0x97d0a20, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0xb3e0b124 in ~QDeclarativeElement (this=0x97d0a20, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x97d0a20, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#10 0xb6060783 in qDeleteInEventHandler (o=o@entry=0x97d0a20) at kernel/qobject.cpp:4277
#11 0xb6062f10 in QObject::event (this=0x97d0a20, e=0x97b8338) at kernel/qobject.cpp:1176
#12 0xb3e46ad4 in QDeclarativeItem::event (this=0x97d0a20, ev=0x97b8338) at graphicsitems/qdeclarativeitem.cpp:3748
#13 0xb663939c in QApplicationPrivate::notify_helper (this=0x9228be8, receiver=0x97d0a20, e=0x97b8338) at kernel/qapplication.cpp:4562
#14 0xb663ddaf in QApplication::notify (this=0x97b8338, receiver=0x97d0a20, e=0x97b8338) at kernel/qapplication.cpp:3944
#15 0xb71ace91 in KApplication::notify (this=0xbfc597ec, receiver=0x97d0a20, event=0x97b8338) at ../../kdeui/kernel/kapplication.cpp:311
#16 0xb604c78e in QCoreApplication::notifyInternal (this=0xbfc597ec, receiver=0x97d0a20, event=0x97b8338) at kernel/qcoreapplication.cpp:915
#17 0xb605097d in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x91f6130) at kernel/qcoreapplication.cpp:1539
#19 0xb6050c0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432
#20 0xb607e804 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=0x9223eb8) at kernel/qeventdispatcher_glib.cpp:279
#22 0xb322c9e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb322cd80 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb322ce61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb607e981 in QEventDispatcherGlib::processEvents (this=0x91f6eb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#26 0xb66ef9aa in QGuiEventDispatcherGlib::processEvents (this=0x91f6eb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0xb604b26c in QEventLoop::processEvents (this=this@entry=0xbfc59718, flags=...) at kernel/qeventloop.cpp:149
#28 0xb604b561 in QEventLoop::exec (this=0xbfc59718, flags=...) at kernel/qeventloop.cpp:204
#29 0xb6050cba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#30 0xb6636fc4 in QApplication::exec () at kernel/qapplication.cpp:3823
#31 0x08050422 in ?? ()
#32 0xb5c584d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#33 0x08050469 in _start ()

Possible duplicates by query: bug 315547, bug 314912, bug 311058, bug 310545, bug 310522.

Reported using DrKonqi