Only the first (out of several simultanous) X sessions get DRI (and hardware 3D acceleration). This is a limitation on the current X stack. Wait for kernel mode-setting for radeon cards.
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Incomplete => Confirmed ** Tags added: likely-dup -- slow graphics on guest account (ATI open source driver) https://bugs.launchpad.net/bugs/384565 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ 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