Version:            (using Devel)
Installed from:    Compiled sources
OS:                Linux

Choosing restart the pc or turn off the pc from the "leave  menu" plasma crashes and stops both processes.

this is the crash report:

Application: Plasma Workspace (<unknown>), signal SIGSEGV
[Thread debugging using libthread_db enabled]
[New Thread 0xb49c2740 (LWP 7179)]
[New Thread 0xb2dfcb90 (LWP 7180)]
[KCrash handler]
#6  0x00000050 in ?? ()
#7  0xb2204571 in SolidDeviceEngine::~SolidDeviceEngine ()
   from /opt/kde4/lib/kde4/plasma_engine_soliddevice.so
#8  0xb7e6217b in Plasma::DataEngineManager::~DataEngineManager ()
   from /opt/kde4/lib/libplasma.so.2
#9  0xb7e6241a in Plasma::._167::destroy () from /opt/kde4/lib/libplasma.so.2
#10 0xb7e61488 in __tcf_0 () from /opt/kde4/lib/libplasma.so.2
#11 0xb5903084 in exit () from /lib/tls/i686/cmov/libc.so.6
#12 0xb67a9501 in _IceDefaultIOErrorHandler () from /usr/lib/libICE.so.6
#13 0xb67b13d1 in _IceRead () from /usr/lib/libICE.so.6
#14 0xb67b572f in IceProcessMessages () from /usr/lib/libICE.so.6
#15 0xb5db82e8 in ?? () from /usr/lib/libQtGui.so.4
#16 0xb5db834f in ?? () from /usr/lib/libQtGui.so.4
#17 0xb6a5a4f9 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb6a5abc2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb6a97ca3 in QSocketNotifier::activated () from /usr/lib/libQtCore.so.4
#20 0xb6a60b8f in QSocketNotifier::event () from /usr/lib/libQtCore.so.4
#21 0xb5d5cc0c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#22 0xb5d617a9 in QApplication::notify () from /usr/lib/libQtGui.so.4
#23 0xb79f32cd in KApplication::notify () from /opt/kde4/lib/libkdeui.so.5
#24 0xb6a456a9 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#25 0xb6a70e23 in ?? () from /usr/lib/libQtCore.so.4
#26 0xb56c3bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb56c6e5e in ?? () from /usr/lib/libglib-2.0.so.0
#28 0xb56c73ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#29 0xb6a70f98 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#30 0xb5df01b5 in ?? () from /usr/lib/libQtGui.so.4
#31 0xb6a4492d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#32 0xb6a44abd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#33 0xb6a46d3d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#34 0xb5d5c567 in QApplication::exec () from /usr/lib/libQtGui.so.4
#35 0xb7f3e506 in kdemain () from /opt/kde4/lib/libkdeinit4_plasma.so
#36 0x080487b2 in main ()
#0  0xffffe410 in __kernel_vsyscall ()