I've installed the new i810 driver 1.7.2 from debian, compiling the package from source. There are no GART errors anymore, my mtrr is fixed, but still the glxgears framerate is less than with 1.4.1.
$ cat /proc/mtrr reg00: base=0x00000000 ( 0MB), size=1024MB: write-back, count=1 reg01: base=0xf3f800000 (62456MB), size= 8MB: uncachable, count=1 reg02: base=0xfeda0000 (4077MB), size= 128KB: uncachable, count=1 reg03: base=0xe0000000 (3584MB), size= 256MB: write-combining, count=1 $ glxgears -printfps libGL warning: 3D driver claims to not support visual 0x5b 4808 frames in 5.0 seconds = 961.550 FPS 5217 frames in 5.0 seconds = 1043.213 FPS 5155 frames in 5.0 seconds = 1030.989 FPS 5243 frames in 5.0 seconds = 1048.584 FPS ** Attachment added: "xorg 7.1 + i810 1.7.2 from debian" http://librarian.launchpad.net/4921317/Xorg.0.log -- performance issue in Edgy with i810 driver https://launchpad.net/bugs/61306 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs