No more suspend/hibernation after KDE update

English Hardware
#1

Hello,
On my Acer aspire One D255 (netbook) I can hibernate using KDE 4.4.4 but if I upgrade to 4.5.3 or 4.5.4 or now 4.5.5 I can’tsuspend or hibernate anylonger.
A short message says: device busy

Any help?

#2

Hello,
On my Acer aspire One D255 (netbook) I can hibernate using KDE 4.4.4 but if I upgrade to 4.5.3 or 4.5.4 or now 4.5.5 I can’t suspend or hibernate anylonger.
If I downgrade to KDE 4.4.4 the it works again.
A short message says: device busy
This is opensuse 11.3 and the same happen with different kernel. Seems to be KDE related
Any help?