Running quantal in a VM results in llvmpipe being used because the vboxvideo driver isn't loaded, so 3d acceleration drops to software rendering. This adversely affects performance for users using/testing Ubuntu in a VM.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: virtualbox-guest-x11 4.1.18-dfsg-1ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
Uname: Linux 3.5.0-13-generic i686
ApportVersion: 2.5.1-0ubuntu4
Architecture: i386
Date: Tue Sep 4 12:39:42 2012
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120627)
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: virtualbox
UpgradeStatus: No upgrade log present (probably fresh install)
Status changed to 'Confirmed' because the bug affects multiple users.