Reproduced on Ubuntu precise under Unity using an Intel gfx laptop with external monitor and LVDS turned off.
This is upstream bug https://bugs.freedesktop.org/show_bug.cgi?id=39949. Three patches have been proposed for fixing this but appear not to yet be in the upstream codebase: http://patchwork.freedesktop.org/patch/6488/ http://patchwork.freedesktop.org/patch/6217/ http://patchwork.freedesktop.org/patch/6209/ ** Tags removed: compiz-0.9 needs-reassignment ** Tags added: precise ** Also affects: xorg-server via https://bugs.freedesktop.org/show_bug.cgi?id=39949 Importance: Unknown Status: Unknown ** Changed in: xorg-server (Ubuntu) Importance: Undecided => Low ** Changed in: xorg-server (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/881046 Title: Panning in a virtual monitor is not possible after upgrade to Ubuntu 11.10 To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/881046/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp