xrandr detects wrong screen size with driver in use

[benste]

see topic

ProblemType: Bug
Architecture: amd64
Date: Tue Mar 23 17:07:52 2010
DistroRelease: Ubuntu 10.04
DkmsStatus: nvidia-current, 195.36.15, 2.6.32-16-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
MachineType: Sony Corporation VGN-FE31M
NonfreeKernelModules: nvidia
Package: nvidia-glx-173 (not installed)
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-16-generic root=UUID=2497036b-9e17-4a6d-afe2-a84734309173 ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SourcePackage: nvidia-graphics-drivers-173
Uname: Linux 2.6.32-16-generic x86_64
dmi.bios.date: 08/17/2006
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: R0170J3
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: 7R1M00000000a4f250a8f25490a4
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: C3LN17TL
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrR0170J3:bd08/17/2006:svnSonyCorporation:pnVGN-FE31M:pvrC3LN17TL:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrC3LN17TL:
dmi.product.name: VGN-FE31M
dmi.product.version: C3LN17TL
dmi.sys.vendor: Sony Corporation
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-16-generic

[Bryce Harrington (bryce)]

The -nvidia graphics driver does not support RANDR, so the xrandr tool is unable to query for the accurate data.