Bug 301900

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.80 (4.8.80)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-25-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Changing the plasma setings diferents aplets for ich from desktops

- Unusual behavior I noticed:
crash, black screan, plasma shut down

- Custom settings of the application:
I try to set up difernts plasmoids for one from my activitys, bespin theme, i have kde and +lxde
desktop wat i also us

The crash can be reproduced some of the time.

-- Backtrace:
Application: Powłoka pulpitu Plazmy (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f51d12f6780 (LWP 2150))]

Thread 4 (Thread 0x7f51a9e3b700 (LWP 2152)):
#0  0x00007f51d0bd4b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f51c474dff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f51c474e124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f51cd811426 in QEventDispatcherGlib::processEvents (this=0x7f51a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f51cd7e0c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f51cd7e0ed7 in QEventLoop::exec (this=0x7f51a9e3add0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f51cd6dffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f51cd7c09ff in QInotifyFileSystemWatcherEngine::run (this=0x2b03c00) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f51cd6e2fcb in QThreadPrivate::start (arg=0x2b03c00) at thread/qthread_unix.cpp:298
#9  0x00007f51c4e4ae9a in start_thread (arg=0x7f51a9e3b700) at pthread_create.c:308
#10 0x00007f51d0be04bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f51a9351700 (LWP 2153)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f51ca5c5222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f51ca5c5259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f51c4e4ae9a in start_thread (arg=0x7f51a9351700) at pthread_create.c:308
#4  0x00007f51d0be04bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f51a0c46700 (LWP 2159)):
#0  0x00007f51d0bd4b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f51c474dff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f51c474e124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f51cd811426 in QEventDispatcherGlib::processEvents (this=0x7f51940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f51cd7e0c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f51cd7e0ed7 in QEventLoop::exec (this=0x7f51a0c45dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f51cd6dffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f51cd7c09ff in QInotifyFileSystemWatcherEngine::run (this=0x3014750) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f51cd6e2fcb in QThreadPrivate::start (arg=0x3014750) at thread/qthread_unix.cpp:298
#9  0x00007f51c4e4ae9a in start_thread (arg=0x7f51a0c46700) at pthread_create.c:308
#10 0x00007f51d0be04bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f51d12f6780 (LWP 2150)):
[KCrash Handler]
#6  0x00007f51cf41590e in QDeclarativeItem::~QDeclarativeItem (this=0x503c340, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f51a84e3e41 in ~QDeclarativeElement (this=0x503c340, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=<optimized out>, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f51cd7fb478 in QObject::event (this=0x503c340, e=<optimized out>) at kernel/qobject.cpp:1176
#10 0x00007f51ccb64894 in notify_helper (e=0x4bfbb40, receiver=0x503c340, this=0x1e74320) at kernel/qapplication.cpp:4559
#11 QApplicationPrivate::notify_helper (this=0x1e74320, receiver=0x503c340, e=0x4bfbb40) at kernel/qapplication.cpp:4531
#12 0x00007f51ccb69713 in QApplication::notify (this=0x1e697a0, receiver=0x503c340, e=0x4bfbb40) at kernel/qapplication.cpp:4420
#13 0x00007f51ce4c5bc6 in KApplication::notify (this=0x1e697a0, receiver=0x503c340, event=0x4bfbb40) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f51cd7e1e9c in QCoreApplication::notifyInternal (this=0x1e697a0, receiver=0x503c340, event=0x4bfbb40) at kernel/qcoreapplication.cpp:876
#15 0x00007f51cd7e5c6a in sendEvent (event=0x4bfbb40, receiver=0x503c340) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1df21f0) at kernel/qcoreapplication.cpp:1500
#17 0x00007f51cd810f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007f51c474dc9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f51c474e060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f51c474e124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f51cd8113bf in QEventDispatcherGlib::processEvents (this=0x1df3ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f51ccc0cd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f51cd7e0c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f51cd7e0ed7 in QEventLoop::exec (this=0x7fff817c5a20, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f51cd7e5f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007f51d0ee6b43 in kdemain (argc=1, argv=0x7fff817c5e08) at ../../../../plasma/desktop/shell/main.cpp:120
#28 0x00007f51d0b0f76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff817c5e08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff817c5df8) at libc-start.c:226
#29 0x0000000000400671 in _start ()

Possible duplicates by query: bug 301751.

Reported using DrKonqi