Bug 325128

Application: plasma-desktop (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-26-generic x86_64
Distribution: Linux Mint 15 Olivia

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

Clicked on Tool Box in the upper right hand side of the screen. Selected Activities, then New Activity.

The crash can be reproduced sometimes.

-- 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 0x7f000ca0d7c0 (LWP 2014))]

Thread 5 (Thread 0x7effee05c700 (LWP 2017)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0005735b27 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f0005735b59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007effffe2ef8e in start_thread (arg=0x7effee05c700) at pthread_create.c:311
#4  0x00007f000c2f1e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7eff65ba7700 (LWP 2018)):
#0  0x00007effff76b34a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007effff76b5b9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007effff72b90b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007effff72c0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007effff72c304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0008ed2036 in QEventDispatcherGlib::processEvents (this=0x7eff600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f0008ea238f in QEventLoop::processEvents (this=this@entry=0x7eff65ba6d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f0008ea2618 in QEventLoop::exec (this=this@entry=0x7eff65ba6d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f0008da4410 in QThread::exec (this=this@entry=0x9dd290) at thread/qthread.cpp:542
#9  0x00007f0008e83edf in QInotifyFileSystemWatcherEngine::run (this=0x9dd290) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f0008da6bec in QThreadPrivate::start (arg=0x9dd290) at thread/qthread_unix.cpp:338
#11 0x00007effffe2ef8e in start_thread (arg=0x7eff65ba7700) at pthread_create.c:311
#12 0x00007f000c2f1e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7eff5f4a4700 (LWP 2020)):
#0  0x00007f000c300090 in pthread_mutex_lock (mutex=0x7eff5800d260) at forward.c:192
#1  0x00007effff76b5c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007effff72c190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007effff72c6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007eff5fd764f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007effff74feb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007effffe2ef8e in start_thread (arg=0x7eff5f4a4700) at pthread_create.c:311
#7  0x00007f000c2f1e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7eff4fd97700 (LWP 2023)):
#0  0x00007effff76b340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007effff76b5b9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007effff72b90b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007effff72c0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007effff72c304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0008ed2036 in QEventDispatcherGlib::processEvents (this=0x7eff480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f0008ea238f in QEventLoop::processEvents (this=this@entry=0x7eff4fd96d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f0008ea2618 in QEventLoop::exec (this=this@entry=0x7eff4fd96d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f0008da4410 in QThread::exec (this=this@entry=0x157bc10) at thread/qthread.cpp:542
#9  0x00007f0008e83edf in QInotifyFileSystemWatcherEngine::run (this=0x157bc10) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f0008da6bec in QThreadPrivate::start (arg=0x157bc10) at thread/qthread_unix.cpp:338
#11 0x00007effffe2ef8e in start_thread (arg=0x7eff4fd97700) at pthread_create.c:311
#12 0x00007f000c2f1e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f000ca0d7c0 (LWP 2014)):
[KCrash Handler]
#6  0x00007f000aa9c944 in QDeclarativeItem::~QDeclarativeItem (this=0x371a5d0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007eff6d1dab11 in ~QDeclarativeElement (this=0x371a5d0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x371a5d0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f0008ebd5e8 in QObject::event (this=0x371a5d0, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007f00082498ec in QApplicationPrivate::notify_helper (this=this@entry=0x914fa0, receiver=receiver@entry=0x371a5d0, e=e@entry=0x3416500) at kernel/qapplication.cpp:4567
#11 0x00007f000824c25b in QApplication::notify (this=this@entry=0x911b10, receiver=receiver@entry=0x371a5d0, e=e@entry=0x3416500) at kernel/qapplication.cpp:4428
#12 0x00007f0009b671a6 in KApplication::notify (this=0x911b10, receiver=0x371a5d0, event=0x3416500) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f0008ea363e in QCoreApplication::notifyInternal (this=0x911b10, receiver=receiver@entry=0x371a5d0, event=event@entry=0x3416500) at kernel/qcoreapplication.cpp:946
#14 0x00007f0008ea7171 in sendEvent (event=0x3416500, receiver=0x371a5d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x8881f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007f0008ea74a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#17 0x00007f0008ed1e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x8ffc80) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007effff72bf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007effff72c248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007effff72c304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f0008ed2016 in QEventDispatcherGlib::processEvents (this=0x889ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f00082ef13e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f0008ea238f in QEventLoop::processEvents (this=this@entry=0x7fff45c7ad50, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f0008ea2618 in QEventLoop::exec (this=this@entry=0x7fff45c7ad50, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f0008ea7cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f0008247ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f000c5fd46b in kdemain (argc=1, argv=0x7fff45c7b048) at ../../../../plasma/desktop/shell/main.cpp:126
#29 0x00007f000c219ea5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff45c7b048, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff45c7b038) at libc-start.c:260
#30 0x0000000000400711 in _start ()

This bug may be a duplicate of or related to bug 320031.

Possible duplicates by query: bug 324803, bug 324639, bug 324517, bug 324494, bug 324036.

Reported using DrKonqi