Bug 246907

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.00 (KDE 4.5.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-14-generic x86_64
Distribution: Ubuntu maverick (development branch)

-- Information about the crash:
I reorder some of my Apps in the Panels. After most of the work is done I leave Panel-Editing. Ca. 1/2 s later the desktop chrash and come back.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7175a8d780 (LWP 4092))]

Thread 3 (Thread 0x7f7169b91710 (LWP 4093)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f717f265e04 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f717f570140) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f717f265e39 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f717f57e214) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f7181b8c981 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#4  0x00007f7184889d6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f71653b6710 (LWP 4094)):
#0  0x00007f718487d603 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7179760033 in g_poll () from /lib/libglib-2.0.so.0
#2  0x00007f717974f07c in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f717974e4b3 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f717974e6ea in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007f7181f36be6 in QEventDispatcherGlib::processEvents (this=0x22da210, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#6  0x00007f7181f09402 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f7181f097ec in QEventLoop::exec (this=0x7f71653b5d90, flags=) at kernel/qeventloop.cpp:201
#8  0x00007f7181e141dd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007f7181ee91a8 in QInotifyFileSystemWatcherEngine::run (this=0x1eb9c90) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f7181e1715e in QThreadPrivate::start (arg=0x1eb9c90) at thread/qthread_unix.cpp:266
#11 0x00007f7181b8c981 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007f7184889d6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7175a8d780 (LWP 4092)):
[KCrash Handler]
#6  0x0000000000000001 in ?? ()
#7  0x00007f715e69241d in DBusNotificationProtocol::notificationDeleted (this=0x2bcb820, source=...)
    at ../../../../../plasma/generic/applets/notifications/protocols/notifications/dbusnotificationprotocol.cpp:181
#8  0x00007f715e693780 in DBusNotificationProtocol::qt_metacall (this=0x2bcb820, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff17f724b0) at ./dbusnotificationprotocol.moc:88
#9  0x00007f7181f22527 in QMetaObject::activate (sender=0x38b9950, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffffffe8d70) at kernel/qobject.cpp:3280
#10 0x00007f715e68bbb2 in DBusNotification::notificationDeleted (this=0x2bdd750, _t1=<value optimized out>) at moc_dbusnotification.cpp:98
#11 0x00007f715e693b5b in ~DBusNotification (this=0x2bdd750, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/notifications/protocols/notifications/dbusnotification.cpp:35
#12 0x00007f7181f1c608 in QObject::event (this=0x38b9950, e=0x38b9968) at kernel/qobject.cpp:1202
#13 0x00007f718105a68c in QApplicationPrivate::notify_helper (this=0x1c10f10, receiver=0x38b9950, e=0x38739f0) at kernel/qapplication.cpp:4389
#14 0x00007f718106019d in QApplication::notify (this=0x1c03010, receiver=0x38b9950, e=0x38739f0) at kernel/qapplication.cpp:4270
#15 0x00007f7182ba2b06 in KApplication::notify (this=0x1c03010, receiver=0x38b9950, event=0x38739f0) at ../../kdeui/kernel/kapplication.cpp:309
#16 0x00007f7181f0a6dc in QCoreApplication::notifyInternal (this=0x1c03010, receiver=0x38b9950, event=0x38739f0) at kernel/qcoreapplication.cpp:732
#17 0x00007f7181f0d622 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1be7c70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1be7c70) at kernel/qcoreapplication.cpp:1373
#19 0x00007f7181f37053 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#20 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#21 0x00007f717974cb10 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007f717974e01a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007f717974e4e0 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007f717974e6ea in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007f7181f36b93 in QEventDispatcherGlib::processEvents (this=0x1be7320, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#26 0x00007f718110c96e in QGuiEventDispatcherGlib::processEvents (this=0x2bdd750, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f7181f09402 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007f7181f097ec in QEventLoop::exec (this=0x7fff17f72e80, flags=) at kernel/qeventloop.cpp:201
#29 0x00007f7181f0d8bb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#30 0x00007f7184b61986 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#31 0x00007f71847c1d8d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff17f73248) at libc-start.c:226
#32 0x0000000000400669 in _start ()

This bug may be a duplicate of or related to bug 242864.

Possible duplicates by query: bug 246750, bug 246748, bug 245011, bug 243761, bug 243226.

Reported using DrKonqi