Loose title bars when printing

[Besugo]

Binary package hint: xorg

When opening the printing dialogue from any program, sometimes (very often) I loose the title bars of every opened window, and i must restart session to bring it back to normal.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-27.49-generic-pae 2.6.32.26+drm33.12
Uname: Linux 2.6.32-27-generic-pae i686
NonfreeKernelModules: fglrx
Architecture: i386
Date: Fri Jan 7 09:30:29 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: TOSHIBA Satellite P300
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-27-generic-pae root=UUID=05d2200a-5365-4289-a900-98ad6e6ce149 ro quiet splash nomodeset video=uvesafb:mode_option=1280x1024-24,mtrr=3,scroll=ywrap
ProcEnviron:
 LANGUAGE=pt:pt_BR:en
 LANG=pt_PT.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 06/23/2008
dmi.bios.vendor: TOSHIBA
dmi.bios.version: V1.60
dmi.board.name: Satellite P300
dmi.board.vendor: TOSHIBA
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnTOSHIBA:bvrV1.60:bd06/23/2008:svnTOSHIBA:pnSatelliteP300:pvrPSPCCE-00K00FPT:rvnTOSHIBA:rnSatelliteP300:rvrNotApplicable:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: Satellite P300
dmi.product.version: PSPCCE-00K00FPT
dmi.sys.vendor: TOSHIBA
glxinfo: Error: [Errno 2] Ficheiro ou directoria inexistente
system:
 distro: Ubuntu
 codename: lucid
 architecture: i686
 kernel: 2.6.32-27-generic-pae