[ut2004] performance tip: turn on agp (or, zovirl is dumb)

Mark Ivey zovirl1_list at sbcglobal.net
Tue Apr 20 13:42:14 EDT 2004

On Tue, 2004-04-20 at 07:06, Ian Hastie wrote:
> On Tuesday 20 Apr 2004 06:11, Mark Ivey wrote:
> > Ok, so several weeks after I asked for performance tips I wondered why
> > the recently posted "dmesg | grep 'AGP Aperture'" command wasn't doing
> > anything.  I found out that agpgart wasn't loaded, and it is apparently
> > pretty important.  'cat /proc/driver/nvidia/agp/status' said AGP was
> > disabled.  Hmm, that might cause a performance hit... :)
> >
> > I had to do 'insmod agpgart' to turn it on.
> This will not get AGP working if you're running a 2.6 kernel.  For that you 
> need to modprobe the chipset specific driver, eg via-agp or ali-agp.  Or for 
> an Athlon 64 or Opteron it's amd64-agp.
> By the way, modprobe is better than insmod most of the time as it handles 
> dependencies.

thanks for the tip on 2.6...I'll have to remember that when I install
Mandrake 10.  I guess I forgot about modprobe...I was thinking "install
a module" and insmod popped into my head :)

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