(In reply to comment #79)
> Ok, this is weird: just out of curiosity I tried to launch Xorg with
> "-retro", then I do see errors logged (see attached excerpt from dmesg). If
> I run Xorg without parameters, I just end up with a black screen, no logged
> errors and Xorg.0.log looks like everything is fine (except for that
> "config_odev_get_int_attribute" error):

> Shouldn't I be seeing the same errors as with "-retro" as well?

-retro invokes acceleration while the non-retro case does not.