please try a combination of those lines Option "DynamicClocks" "true" Option "AccelMethod" "EXA" Option "DMAForXv" "off" Option "BusType" "AGP" Option "SubPixelOrder" "NONE"
worked for mine (Dell with ATI M6 running 1400x1050 @ 24bpp). (don't know which line solved the freeze though :) -- system freeze when using ati radeon 7000 with xorg "ati" driver https://launchpad.net/bugs/16873 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
