Application: plasma-desktop (4.11.3)
KDE Platform Version: 4.11.3
Qt Version: 4.8.2
Operating System: Linux 3.2.0-56-generic x86_64
Distribution: Ubuntu 12.04.3 LTS

-- Information about the crash:
Rebooted with numerous programs also starting at bootup, after all the programs all finished booting, the system froze but the mouse pointer was not affected as I had full controll over it but everything else was very slow in responding

-- 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 0x7f39d44227c0 (LWP 1944))]

Thread 5 (Thread 0x7f39b3371700 (LWP 1948)):
#0  0x00007f39d3ccc08d in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f39d3ccbf2c in __sleep (seconds=0) at ../sysdeps/unix/sysv/linux/sleep.c:138
#2  0x00007f39cd619fb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f39cd61a059 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#4  0x00007f39c50ec764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#5  0x00007f39c7ea7e9a in start_thread (arg=0x7f39b3371700) at pthread_create.c:308
#6  0x00007f39d3d003fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f3927f54700 (LWP 1949)):
#0  0x00007f39d3cf4a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f39c77aaff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f39c77ab124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f39d0867926 in QEventDispatcherGlib::processEvents (this=0x7f39200008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f39d0836e62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f39d08370b7 in QEventLoop::exec (this=0x7f3927f53cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f39d0736077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f39d0816b6f in QInotifyFileSystemWatcherEngine::run (this=0x3498730) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f39d073909b in QThreadPrivate::start (arg=0x3498730) at thread/qthread_unix.cpp:307
#9  0x00007f39c50ec764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#10 0x00007f39c7ea7e9a in start_thread (arg=0x7f3927f54700) at pthread_create.c:308
#11 0x00007f39d3d003fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f3925d7d700 (LWP 1951)):
#0  0x00007f39d3cf4a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f39c77aaff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f39c77ab45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f39268675e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f39c77cc9b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f39c50ec764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#6  0x00007f39c7ea7e9a in start_thread (arg=0x7f3925d7d700) at pthread_create.c:308
#7  0x00007f39d3d003fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f3916913700 (LWP 1954)):
#0  0x00007fffddbd18de in ?? ()
#1  0x00007f39c946615d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007f39d078fc84 in do_gettime (frac=0x7f3916912a98, sec=0x7f3916912a90) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007f39d086808d in QTimerInfoList::updateCurrentTime (this=0x7f3908002660) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007f39d08683c3 in QTimerInfoList::timerWait (this=0x7f3908002660, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007f39d0866e7c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f3916912b6c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f39d0866f25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f39c77aa806 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f39c77aaf1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f39c77ab124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f39d0867926 in QEventDispatcherGlib::processEvents (this=0x7f39080008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007f39d0836e62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f39d08370b7 in QEventLoop::exec (this=0x7f3916912cd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f39d0736077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007f39d0816b6f in QInotifyFileSystemWatcherEngine::run (this=0x3a64da0) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007f39d073909b in QThreadPrivate::start (arg=0x3a64da0) at thread/qthread_unix.cpp:307
#17 0x00007f39c50ec764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#18 0x00007f39c7ea7e9a in start_thread (arg=0x7f3916913700) at pthread_create.c:308
#19 0x00007f39d3d003fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f39d44227c0 (LWP 1944)):
[KCrash Handler]
#6  0x00000000000002e0 in ?? ()
#7  0x00007f39d246e9f1 in QDeclarativeItem::~QDeclarativeItem (this=0x6080bb0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0x00007f39d2431af5 in ~QDeclarativeElement (this=0x6080bb0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x6080bb0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#10 0x00007f39d0851978 in QObject::event (this=0x6080bb0, e=<optimized out>) at kernel/qobject.cpp:1176
#11 0x00007f39cfbb97b4 in notify_helper (e=0x24660c0, receiver=0x6080bb0, this=0x245e090) at kernel/qapplication.cpp:4556
#12 QApplicationPrivate::notify_helper (this=0x245e090, receiver=0x6080bb0, e=0x24660c0) at kernel/qapplication.cpp:4528
#13 0x00007f39cfbbe583 in QApplication::notify (this=0x2408f40, receiver=0x6080bb0, e=0x24660c0) at kernel/qapplication.cpp:4417
#14 0x00007f39d151de36 in KApplication::notify (this=0x2408f40, receiver=0x6080bb0, event=0x24660c0) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f39d083832c in QCoreApplication::notifyInternal (this=0x2408f40, receiver=0x6080bb0, event=0x24660c0) at kernel/qcoreapplication.cpp:915
#16 0x00007f39d083c10a in sendEvent (event=0x24660c0, receiver=0x6080bb0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x235a1f0) at kernel/qcoreapplication.cpp:1539
#18 0x00007f39d083c43e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1194
#19 0x00007f39d4009fbf in kdemain (argc=1, argv=0x7fffddba9ed8) at ../../../../plasma/desktop/shell/main.cpp:126
#20 0x00007f39d3c2d76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffddba9ed8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffddba9ec8) at libc-start.c:226
#21 0x0000000000400671 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 316830, bug 320582, bug 315561.

Possible duplicates by query: bug 328303, bug 327648, bug 326860, bug 325998, bug 325820.

Reported using DrKonqi