EXA seems to be the default, but the machines become generally very sluggish with Xorg using between 50 and 90% of CPU power. The common fix seems to be to use XAA acceleration instead.
Please take a look. Let me know if you need more information. Thank you.
a lot of people with radeon chips (including me) experienced serious performance issues after upgrading their machines to Jaunty. -> https:/ /bugs.launchpad .net/ubuntu/ +source/ xserver- xorg-video- ati/+bug/ 363238
EXA seems to be the default, but the machines become generally very sluggish with Xorg using between 50 and 90% of CPU power. The common fix seems to be to use XAA acceleration instead.
Please take a look. Let me know if you need more information. Thank you.