Comment 13 for bug 16873

(In reply to comment #2)
> I have some additional information.
>
> What is happening is that X is trying to open /dev/dri/card0. For some weird
> reason the open fails. (Giving an unknown error code 999 according to the
> logs.) Instead of failing gracfully and not loading dri, it trys to go on from
> there and nothing comes up.
>
> I am attaching the log file, a list of the permissions on the device and a copy
> of dmesg from that system.
>
> I have tested the 8k stacks issue and it is not the cause of this problem.

does the error message go away in case you don't specify the BusID ?
/* here it does */