Hibenration problem still continues after installing package hibernate

Binary package hint: hibernate

Hibernation problem still continues after installing package "hibernate"..Using Acer Aspire one 532H, ubuntu 11.04 Natty ..
After resuming from the hibernate,different colours will be displayed in the screen..Again i have to switch of the netbook,and i have to start it..suspend's work fine.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: hibernate 1.99-1.1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Wed Apr 27 12:03:20 2011
Dependencies:

InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_IN:en
 PATH=(custom, user)
 LANG=en_IN.UTF-8
 SHELL=/bin/bash
SourcePackage: hibernate
UpgradeStatus: Upgraded to natty on 2011-04-13 (14 days ago)