Application: plasma-desktop (4.11.8)
KDE Platform Version: 4.12.95
Qt Version: 4.8.6
Operating System: Linux 3.13.0-14-generic x86_64
Distribution: Ubuntu Trusty Tahr (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
in taskbar set settings: grouping: do not group, sorting: do not sort, when try to move buttons of applications into another place (change order manually)

-- 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 0x7fa142d19800 (LWP 2383))]

Thread 5 (Thread 0x7fa116f85700 (LWP 2384)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa13b9c0ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fa13b9c1039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fa13626d182 in start_thread (arg=0x7fa116f85700) at pthread_create.c:312
#4  0x00007fa14260e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fa08b5f9700 (LWP 2385)):
#0  0x00007fa1425ff6bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa130a2de41 in ?? () from /usr/lib/nvidia-331-updates/tls/libnvidia-tls.so.331.38
#2  0x00007fa135b9cc20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa135b5bb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa135b5bf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa135b5c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fa13f1d67be in QEventDispatcherGlib::processEvents (this=0x7fa0840008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007fa13f1a80af in QEventLoop::processEvents (this=this@entry=0x7fa08b5f8da0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fa13f1a83a5 in QEventLoop::exec (this=this@entry=0x7fa08b5f8da0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fa13f0a4c5f in QThread::exec (this=this@entry=0x1964bb0) at thread/qthread.cpp:537
#10 0x00007fa13f189823 in QInotifyFileSystemWatcherEngine::run (this=0x1964bb0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007fa13f0a732f in QThreadPrivate::start (arg=0x1964bb0) at thread/qthread_unix.cpp:349
#12 0x00007fa13626d182 in start_thread (arg=0x7fa08b5f9700) at pthread_create.c:312
#13 0x00007fa14260e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fa081d07700 (LWP 2388)):
#0  0x00007fa135b59444 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa135b5b62b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa135b5bf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa135b5c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa13f1d67be in QEventDispatcherGlib::processEvents (this=0x7fa07c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007fa13f1a80af in QEventLoop::processEvents (this=this@entry=0x7fa081d06da0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fa13f1a83a5 in QEventLoop::exec (this=this@entry=0x7fa081d06da0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fa13f0a4c5f in QThread::exec (this=this@entry=0x220d600) at thread/qthread.cpp:537
#8  0x00007fa13f189823 in QInotifyFileSystemWatcherEngine::run (this=0x220d600) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007fa13f0a732f in QThreadPrivate::start (arg=0x220d600) at thread/qthread_unix.cpp:349
#10 0x00007fa13626d182 in start_thread (arg=0x7fa081d07700) at pthread_create.c:312
#11 0x00007fa14260e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fa0809b9700 (LWP 2392)):
#0  0x00007fa135b5945c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa135b5b62b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa135b5bf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa135b5c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa13f1d67be in QEventDispatcherGlib::processEvents (this=0x7fa0740008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007fa13f1a80af in QEventLoop::processEvents (this=this@entry=0x7fa0809b8da0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fa13f1a83a5 in QEventLoop::exec (this=this@entry=0x7fa0809b8da0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fa13f0a4c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#8  0x00007fa08868c027 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#9  0x00007fa13f0a732f in QThreadPrivate::start (arg=0x2608e70) at thread/qthread_unix.cpp:349
#10 0x00007fa13626d182 in start_thread (arg=0x7fa0809b9700) at pthread_create.c:312
#11 0x00007fa14260e30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fa142d19800 (LWP 2383)):
[KCrash Handler]
#6  QCoreApplication::postEvent (receiver=receiver@entry=0x1319350, event=0x500bc90, priority=priority@entry=0) at kernel/qcoreapplication.cpp:1350
#7  0x00007fa13f1ad427 in QCoreApplication::postEvent (receiver=receiver@entry=0x1319350, event=<optimized out>) at kernel/qcoreapplication.cpp:1311
#8  0x00007fa13f1bb094 in QObject::deleteLater (this=this@entry=0x1319350) at kernel/qobject.cpp:2087
#9  0x00007fa13e5cab8f in QX11Data::xdndHandleFinished (this=<optimized out>, xe=0x7fff9f9f9930, passive=<optimized out>) at kernel/qdnd_x11.cpp:1256
#10 0x00007fa13e5acfd3 in QApplication::x11ClientMessage (this=<optimized out>, w=0x235d990, event=<optimized out>, passive_only=<optimized out>) at kernel/qapplication_x11.cpp:3259
#11 0x00007fa13e5bc872 in QApplication::x11ProcessEvent (this=0xb70500, event=event@entry=0x7fff9f9f9930) at kernel/qapplication_x11.cpp:3888
#12 0x00007fa13e5e4b02 in x11EventSourceDispatch (s=0xb9a3f0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#13 0x00007fa135b5be04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fa135b5c048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fa135b5c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fa13f1d67a1 in QEventDispatcherGlib::processEvents (this=0xaafaf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#17 0x00007fa13e5e4bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#18 0x00007fa13f1a80af in QEventLoop::processEvents (this=this@entry=0x7fff9f9f9d00, flags=...) at kernel/qeventloop.cpp:149
#19 0x00007fa13f1a83a5 in QEventLoop::exec (this=this@entry=0x7fff9f9f9d00, flags=...) at kernel/qeventloop.cpp:204
#20 0x00007fa13f1adb79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#21 0x00007fa13e54137c in QApplication::exec () at kernel/qapplication.cpp:3828
#22 0x00007fa14291566c in kdemain (argc=1, argv=0x7fff9f9f9f58) at ../../../../plasma/desktop/shell/main.cpp:126
#23 0x00007fa142534ec5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, argv=0x7fff9f9f9f58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff9f9f9f48) at libc-start.c:287
#24 0x000000000040070e in _start ()

Possible duplicates by query: bug 329133, bug 329087.

Reported using DrKonqi