Description of problem:

Can't use pinyin input method when in high cpu load condition. Pinyin keep crashing. You have to restart from applet and after a while , it crashed again.

Version-Release number of selected component (if applicable):

ibus-libs-1.2.0.20091204-2.fc12.i686
ibus-gtk-1.2.0.20091204-2.fc12.i686
ibus-pinyin-1.2.0.20090915-1.fc12.noarch
ibus-1.2.0.20091204-2.fc12.i686

How reproducible:

Do some CPU consuming work, and input characters using ibus-pinyin.


Steps to Reproduce:
1. Do some CPU consuming work
2. input something using ibus-pinyin
3. BOOM!!!
  
Actual results:

it crash again and again. input panel disappear and can't using ctrl-space shortcut to call out pinyin input method again.

Expected results:

nothing special happened

Additional info:

After crash, the daemon complained: 

(ibus-daemon:29976): IBUS-WARNING **: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.