I810: drmSetBusid failed, Permission denied

[Gilboa Davara]

On Thu, 2006-12-21 at 09:42 +0000, Neil Bird wrote:
>    I'm failing to get 3D acceleration working no my Intel-915-based Vaio 
> laptop;  I *thought* I'd 'just worked' with my initial install of FC5, but 
> I've not upgraded to FC6 & it's not working.
> 
>    The only real telling thing I can see in the X output (I think I may have 
> seen the BIOS checksum error as well) is:
> 
> 
> (II) I810(0): [drm] drmSetBusid failed (10, pci:0000:00:02.0),
> Permission denied
> 
>    .. and then DRI init. fails.
> 
>    There's also (in the log or glxgear's output) something about not 
> supporting a certain visual, which I've seen mentioned.
> 
> 
>    The only clue I can find online talks about gcc version mismatches, but 
> I've not compiled any of these, they're just the normal Fedora RPMs.
> 
>    The i810 module's loaded, I've got Composite enabled and the DRI mode 
> section in xorg.conf.  I've tried adding the VideoRam option with 64Mb, but 
> there aren't any RAM-related warnings in the X output.
> 
> 
>    Any ideas what I should check next?

Stupid question.
Do you have DRI group/mode configuration in your xorg.conf?

Section "DRI"
    Group       0
    Mode        0666
EndSection

- Gilboa