Re: ACPI on hp tc1100

[Dave Jones <davej-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On Sun, Dec 26, 2004 at 02:17:00AM -0500, Joshua Wise wrote:
 > Joshua Wise wrote:
 > >Hm. First, I tried just setting Option "NvAGP" "1" in my XF86Config 
 > >without downgrading, and that seemed to do the trick! I am running the 
 > >latest NVidia drivers: 6629. However, when the system 'comes back to 
 > >life', the wireless is non-functional, as described below. The 
 > >wacom-acpi driver also seems to need to be reloaded: on resume, dmesg 
 > >reports that ttyS4 failed the LSR safety check.
 > 
 > Well, digging this out of the archive.... I figured out why NvAGP 1 
 > "fixed" the problem. It seems that the tc1100's AGP host bridge is in 
 > fact unsupported by the NVIDIA AGP driver, so when we force the NVIDIA 
 > driver's AGP mode, we effectively disable AGP and only use PCI. I wonder 
 > if kernel AGPGART is not doing some sort of appropriate AGP magic before 
 > the NVIDIA driver comes back up?

What does lspci say about the host/pci bridge ?

		Dave



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