It's only a split second here, but I can confirm this. This is happening with the unity-greeter and auto-login on an ubuntu-2d session.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/860638 Title: Background is grey during login Status in “lightdm” package in Ubuntu: Incomplete Bug description: When using auto-login, lightdm takes the screen and the background remains grey until the user's background is loaded. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: lightdm 0.9.7-0ubuntu2 ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4 Uname: Linux 3.0.0-12-generic x86_64 NonfreeKernelModules: wl ApportVersion: 1.23-0ubuntu1 Architecture: amd64 Date: Tue Sep 27 16:55:54 2011 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110802.1) SourcePackage: lightdm UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/860638/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp