On up to date Lucid as of 2010-03-09, this is still a problem with no xorg.conf file, with KMS and with compiz. (X defaults to EXA).
$ cat /proc/version_signature Ubuntu 2.6.32-16.24-generic Messages in kern.log are: [ 415.461546] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 1754.333393] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 1754.347688] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 2089.468099] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 2089.482369] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 3899.003282] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 3922.245559] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! [ 3948.117491] [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation ! -- [lucid] desktop runs out of video memory on ATI Radeon Mobility 7500 https://bugs.launchpad.net/bugs/507148 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xserver-xorg-driver-ati. _______________________________________________ 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
