Bug 307382

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.1
Qt Version: 4.8.2
Operating System: Linux 3.2.0-31-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

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

returned from sleep mode and then i changed the activity and close the previous one, crashed afterwards

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4e34a9f780 (LWP 1816))]

Thread 5 (Thread 0x7f4e15265700 (LWP 1817)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4e2dd70222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f4e2dd70259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f4e285f4e9a in start_thread (arg=0x7f4e15265700) at pthread_create.c:308
#4  0x00007f4e3438e39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f4e0d360700 (LWP 1818)):
#0  0x00007f4e343829e3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4e27ef8036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4e27ef8164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4e30fbd906 in QEventDispatcherGlib::processEvents (this=0x7f4e080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f4e30f8ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4e30f8d097 in QEventLoop::exec (this=0x7f4e0d35fdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4e30e8c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f4e30f6cb4f in QInotifyFileSystemWatcherEngine::run (this=0x285ec00) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4e30e8f07b in QThreadPrivate::start (arg=0x285ec00) at thread/qthread_unix.cpp:307
#9  0x00007f4e285f4e9a in start_thread (arg=0x7f4e0d360700) at pthread_create.c:308
#10 0x00007f4e3438e39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f4e07da0700 (LWP 1819)):
#0  0x00007f4e343829e3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4e27ef8036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4e27ef8164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4e30fbd906 in QEventDispatcherGlib::processEvents (this=0x7f4e000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f4e30f8ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4e30f8d097 in QEventLoop::exec (this=0x7f4e07d9fdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4e30e8c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f4e30f6cb4f in QInotifyFileSystemWatcherEngine::run (this=0x2917e20) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4e30e8f07b in QThreadPrivate::start (arg=0x2917e20) at thread/qthread_unix.cpp:307
#9  0x00007f4e285f4e9a in start_thread (arg=0x7f4e07da0700) at pthread_create.c:308
#10 0x00007f4e3438e39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4dfe627700 (LWP 1826)):
#0  __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:46
#1  __pthread_mutex_unlock (mutex=0x7f4df400cf90) at pthread_mutex_unlock.c:290
#2  0x00007f4e27f335d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4e27ef7c49 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4e27ef80a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4e27ef849a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4dff111406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f4e27f199e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f4e285f4e9a in start_thread (arg=0x7f4dfe627700) at pthread_create.c:308
#9  0x00007f4e3438e39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4e34a9f780 (LWP 1816)):
[KCrash Handler]
#6  0x0000000000000041 in ?? ()
#7  0x00007f4e32bc19f1 in QDeclarativeItem::~QDeclarativeItem (this=0x5771a70, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0x00007f4e14437ea1 in ~QDeclarativeElement (this=0x5771a70, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=<optimized out>, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#10 0x00007f4e30fa7958 in QObject::event (this=0x5771a70, e=<optimized out>) at kernel/qobject.cpp:1176
#11 0x00007f4e3030f7b4 in notify_helper (e=0x4745730, receiver=0x5771a70, this=0x1450d00) at kernel/qapplication.cpp:4556
#12 QApplicationPrivate::notify_helper (this=0x1450d00, receiver=0x5771a70, e=0x4745730) at kernel/qapplication.cpp:4528
#13 0x00007f4e30314583 in QApplication::notify (this=0x141b6a0, receiver=0x5771a70, e=0x4745730) at kernel/qapplication.cpp:4417
#14 0x00007f4e31c714a6 in KApplication::notify (this=0x141b6a0, receiver=0x5771a70, event=0x4745730) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f4e30f8e30c in QCoreApplication::notifyInternal (this=0x141b6a0, receiver=0x5771a70, event=0x4745730) at kernel/qcoreapplication.cpp:915
#16 0x00007f4e30f920ea in sendEvent (event=0x4745730, receiver=0x5771a70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x13c21f0) at kernel/qcoreapplication.cpp:1539
#18 0x00007f4e30fbd473 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#19 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#20 0x00007f4e27ef7d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f4e27ef80a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f4e27ef8164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f4e30fbd89f in QEventDispatcherGlib::processEvents (this=0x13c3ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#24 0x00007f4e303b7cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f4e30f8ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007f4e30f8d097 in QEventLoop::exec (this=0x7fff5df575e0, flags=...) at kernel/qeventloop.cpp:204
#27 0x00007f4e30f923e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#28 0x00007f4e34694ba3 in kdemain (argc=1, argv=0x7fff5df579c8) at ../../../../plasma/desktop/shell/main.cpp:120
#29 0x00007f4e342bd76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff5df579c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5df579b8) at libc-start.c:226
#30 0x0000000000400671 in _start ()

Possible duplicates by query: bug 306833, bug 306474, bug 306424, bug 306056, bug 305510.

Reported using DrKonqi