KDE4面板怎么启动？

s_baoshan

刚装了Fedora 9 Beta
今天进KDE4的时候突然出了bug，yum update 了一整天后，再进KDE4就不显示面板了，只有一个桌面背景，点击鼠标右键启动Kconsole ，键入who命令，显示
root on ttyv0
who:内存耗尽
难道是我的内存不够了吗
bug记录：
... ...
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb7fa7720 (LWP 3207)]
(no debugging symbols found)
... ...
(no debugging symbols found)
[KCrash handler]
#6  0x001a6bdb in Plasma::Applet::flushUpdatedConstraints ()
   from /usr/lib/libplasma.so.1
#7  0x001d40ab in Plasma::Corona::loadApplets () from /usr/lib/libplasma.so.1
#8  0x001d57d7 in Plasma::Corona::loadApplets () from /usr/lib/libplasma.so.1
#9  0x00139b30 in ?? () from /usr/lib/libkdeinit4_plasma.so
#10 0x0013cee0 in ?? () from /usr/lib/libkdeinit4_plasma.so
#11 0x0013b2cc in ?? () from /usr/lib/libkdeinit4_plasma.so
#12 0x0013c0a1 in ?? () from /usr/lib/libkdeinit4_plasma.so
#13 0x0013992a in kdemain () from /usr/lib/libkdeinit4_plasma.so
#14 0x08048792 in _start ()
#0  0x00131416 in __kernel_vsyscall ()

s_baoshan

原来KDE4要自己设置桌面，自己加入面板。囧