[Lucid Beta 1] Case ID: xpr-004 failed, can't rotate screen using xrandr

Case ID: xpr-004 failed testing Lucid Lynx Beta 1

Can't rotate screen using
xrandr --output LVDS --rotate right
xrandr --output LVDS --rotate left
xrandr --output LVDS --rotate inverted

I got this error.
xrandr: Configure crtc 0 failed

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg-driver-fglrx (not installed)
ProcVersionSignature: Ubuntu 2.6.32-18.27-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-18-generic i686
NonfreeKernelModules: fglrx
Architecture: i386
CheckboxSubmission: a2dfeb43af383cba176af7bf2cf5ace1
CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
Date: Thu Apr 1 18:59:30 2010
DkmsStatus: fglrx, 8.721, 2.6.32-18-generic, i686: installed
MachineType: Acer TravelMate 6593
PccardctlIdent:
 Socket 0:
   no product info available
 Socket 1:
   product info: "O2Micro", "SmartCardBus Reader", "V1.0", ""
   manfid: 0xffff, 0x0001
PccardctlStatus:
 Socket 0:
   no card
 Socket 1:
   5.0V 16-bit PC Card
   Subdevice 0 (function 0) [unbound]
ProcCmdLine: root=UUID=b857bc55-2d8d-41b9-a08b-51d3a2f74845 ro quiet splash
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SourcePackage: fglrx-installer
dmi.bios.date: 08/14/2008
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.04
dmi.board.name: FourPeaks
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.04:bd08/14/2008:svnAcer:pnTravelMate6593:pvr0100:rvnAcer:rnFourPeaks:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: TravelMate 6593
dmi.product.version: 0100
dmi.sys.vendor: Acer
glxinfo: Error: command ['glxinfo'] failed with exit code -11:
system:
 distro: Ubuntu
 codename: lucid
 architecture: i686
 kernel: 2.6.32-18-generic