Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.1 (Compiled from sources)
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:

Every Time that i Start sesion but sometimes just reload and the problem is solved by itself

The crash can be reproduced every time.

-- 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 0x7fa052305780 (LWP 2661))]

Thread 5 (Thread 0x7fa0258d8700 (LWP 2669)):
#0  0x00007fa051be49e3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fa04575a036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa04575a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa04e81f906 in QEventDispatcherGlib::processEvents (this=0x7fa0200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fa04e7eee42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa04e7ef097 in QEventLoop::exec (this=0x7fa0258d7dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fa04e6ee057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fa04e7ceb4f in QInotifyFileSystemWatcherEngine::run (this=0x2a3ba80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fa04e6f107b in QThreadPrivate::start (arg=0x2a3ba80) at thread/qthread_unix.cpp:307
#9  0x00007fa045e56e9a in start_thread (arg=0x7fa0258d8700) at pthread_create.c:308
#10 0x00007fa051bf039d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fa0250d7700 (LWP 2670)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa04b5d2222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fa04b5d2259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fa045e56e9a in start_thread (arg=0x7fa0250d7700) at pthread_create.c:308
#4  0x00007fa051bf039d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa01f35d700 (LWP 2671)):
#0  0x00007fa051be49e3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fa04575a036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa04575a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa04e81f906 in QEventDispatcherGlib::processEvents (this=0x7fa0180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fa04e7eee42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa04e7ef097 in QEventLoop::exec (this=0x7fa01f35cdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fa04e6ee057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fa04e7ceb4f in QInotifyFileSystemWatcherEngine::run (this=0x2ea2a70) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fa04e6f107b in QThreadPrivate::start (arg=0x2ea2a70) at thread/qthread_unix.cpp:307
#9  0x00007fa045e56e9a in start_thread (arg=0x7fa01f35d700) at pthread_create.c:308
#10 0x00007fa051bf039d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa00f1ee700 (LWP 2682)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa04e6f158b in wait (time=18446744073709551615, this=0x1ddbfb0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3ba9860, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa033243372 in meth_QWaitCondition_wait (sipSelf=<QWaitCondition at remote 0x229b830>, sipArgs=(<QMutex at remote 0x229b600>,), sipKwds=<optimized out>) at sipQtCorepart1.cpp:6650
#4  0x00007fa033e97845 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#5  0x00007fa033e62605 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#6  0x00007fa033e627bd in function_call () from /usr/lib/libpython2.7.so.1.0
#7  0x00007fa033f46e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#8  0x00007fa033f2b1cf in instancemethod_call.8746 () from /usr/lib/libpython2.7.so.1.0
#9  0x00007fa033f46e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#10 0x00007fa033f477d7 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#11 0x00007fa032f87972 in sip_api_call_method (isErr=0x0, method=<instancemethod at remote 0x2369820>, fmt=0x7fa033330eb3 "") at /build/buildd/sip4-4.13.2/siplib/siplib.c:1751
#12 0x00007fa03322ad50 in sipVH_QtCore_11 (sipGILState=PyGILState_UNLOCKED, sipMethod=<instancemethod at remote 0x2369820>) at sipQtCorepart0.cpp:4452
#13 0x00007fa03326078f in sipQThread::run (this=0x4178550) at sipQtCorepart2.cpp:2900
#14 0x00007fa04e6f107b in QThreadPrivate::start (arg=0x4178550) at thread/qthread_unix.cpp:307
#15 0x00007fa045e56e9a in start_thread (arg=0x7fa00f1ee700) at pthread_create.c:308
#16 0x00007fa051bf039d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa052305780 (LWP 2661)):
[KCrash Handler]
#6  0x00007fa033e966c5 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#7  0x00007fa033e985eb in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#8  0x00007fa033e985eb in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#9  0x00007fa033e985eb in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#10 0x00007fa033e62605 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#11 0x00007fa033e627bd in function_call () from /usr/lib/libpython2.7.so.1.0
#12 0x00007fa033f46e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#13 0x00007fa033f2b1cf in instancemethod_call.8746 () from /usr/lib/libpython2.7.so.1.0
#14 0x00007fa033f46e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#15 0x00007fa033f477d7 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#16 0x00007fa032f8ff80 in sip_api_invoke_slot (slot=<optimized out>, sigargs=()) at /build/buildd/sip4-4.13.2/siplib/qtlib.c:203
#17 0x00007fa033317396 in PyQtProxy::invokeSlot(qpycore_slot const&, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#18 0x00007fa033317690 in PyQtProxy::unislot(void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#19 0x00007fa033317772 in PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#20 0x00007fa04e804969 in QMetaObject::activate (sender=0x15215f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3566
#21 0x00007fa033260f5f in sipQTimer::timerEvent (this=0x15215f0, a0=0x7ffff55f0790) at sipQtCorepart2.cpp:148
#22 0x00007fa04e809659 in QObject::event (this=0x15215f0, e=<optimized out>) at kernel/qobject.cpp:1157
#23 0x00007fa033261e5d in event (a0=0x7ffff55f0790, this=0x15215f0) at sipQtCorepart2.cpp:165
#24 sipQTimer::event (this=0x15215f0, a0=0x7ffff55f0790) at sipQtCorepart2.cpp:157
#25 0x00007fa04db717b4 in notify_helper (e=0x7ffff55f0790, receiver=0x15215f0, this=0xe3be10) at kernel/qapplication.cpp:4556
#26 QApplicationPrivate::notify_helper (this=0xe3be10, receiver=0x15215f0, e=0x7ffff55f0790) at kernel/qapplication.cpp:4528
#27 0x00007fa04db76583 in QApplication::notify (this=0xe27840, receiver=0x15215f0, e=0x7ffff55f0790) at kernel/qapplication.cpp:4417
#28 0x00007fa04f4d34a6 in KApplication::notify (this=0xe27840, receiver=0x15215f0, event=0x7ffff55f0790) at ../../kdeui/kernel/kapplication.cpp:311
#29 0x00007fa04e7f030c in QCoreApplication::notifyInternal (this=0xe27840, receiver=0x15215f0, event=0x7ffff55f0790) at kernel/qcoreapplication.cpp:915
#30 0x00007fa04e8216d2 in sendEvent (event=0x7ffff55f0790, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QTimerInfoList::activateTimers (this=0xe3e260) at kernel/qeventdispatcher_unix.cpp:611
#32 0x00007fa04e81f0ed in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#33 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#34 0x00007fa045759d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fa04575a0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fa04575a164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fa04e81f89f in QEventDispatcherGlib::processEvents (this=0xdcaad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#38 0x00007fa04dc19cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007fa04e7eee42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007fa04e7ef097 in QEventLoop::exec (this=0x7ffff55f09f0, flags=...) at kernel/qeventloop.cpp:204
#41 0x00007fa04e7f43e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#42 0x00007fa051ef6ba3 in kdemain (argc=1, argv=0x7ffff55f0dd8) at ../../../../plasma/desktop/shell/main.cpp:120
#43 0x00007fa051b1f76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7ffff55f0dd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff55f0dc8) at libc-start.c:226
#44 0x0000000000400671 in _start ()

Possible duplicates by query: bug 307222, bug 307097, bug 307001, bug 306882, bug 306832.

Reported using DrKonqi