Some graphical elements disappear after... several reboots?... N800

[snigur]

Hi people! here's a little problem i've run into.
I've got a N800 tablet with the latest OS2008. After several reboots some elements of the interface disappeared (e.g. the indicator of backlight doesn't show the scale, + the window manager elements of windows), and the joystick doesn't cause any reaction. No effect after switching themes. There's a standard soft collection, nothing "experimental" or whatever. Have no idea what could have caused this strange behaviour.
Some other man reported the same problem too. Here are his screenshots:
http://community.livejournal.com/ru_maemo/29202.html

Now i'm loading the firmware, think i'll have to reprogram n800.
Any idea?

p.s.sorry for my English :)

UPD: And one more thing: the load indicator (at the bottom of the screen when the initial logo appears) has also disappeared.

[snigur]

The problem seems to be solved for now, it's nothing to do with real software bugs. All the stuff began after i had chmod'ed /bin/su like this:
chmod +s /bin/su

Now i turned the permissions back and everything's allright.
Don't do this folks)