[ut2003io] Performance under Linux
eslathro at mtu.edu
Mon Oct 21 17:56:05 EDT 2002
> What version of the kernel are you using? you may need to update to a
> newer release to get support for the SiS chipsets in agpgart. i don't
> recall wether NvAGP supports SiS, but you can check to see if it's
> listed in the README as being supported (for their own internal agp
> driver, it's not an absolute)
I'm running 2.4.19, and I enabled
Character devices->/dev/agpgart (AGP Support)->Generic SiS Support.
The README for Nvidia's driver doesn't say it supports SiS's
651 (I think that's my agp chipset).
> What have you got the agp apeture set to in the bios settings?
It was set to 4mb, but I changed it to my video card's memory size(64mb),
and while it maybe have given me a few more fps, it didn't make agp
> On Mon, 2002-10-21 at 03:59, Eric Lathrop wrote:
> > Ok, so I compiled in MTRR support, and nothing.
> > [the related stuff from] lspci gives:
> > 00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device
> > 0651(rev 01)
> > 00:01.0 PCI bridge: Silicon Integrated Systems [SiS] 5591/5592 AGP
> > 01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4
> > Ti4200] (rev a3)
> > /var/log/XFree86.log shows:
> > (II) NVIDIA(0): Verifying AGP usage for Screen 0...
> > (WW) NVIDIA(0): Failed to verify AGP usage
> > /var/log/messages gives:
> > kernel: agpgart: Maximum main memory to use for agp memory: 439M
> > I recompiled my kernel again to make agpgart only be a module, so I
> > could try using NvAGP. I tried different settings for NvAGP, but it
> > still doesn't work.
> > I did some searching on Google, and I don't think that there's any
> > support for my AGP chipset.
> > --Eric Lathrop
> > www.WretchedBliss.net
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