VIA ACPI power management controller

[Terry Lambert]

Alexander Leidinger wrote:
> Isn't this "the famous VIA bug" which every computer magazine reported
> about? I thought we already have a fix in the tree for this:
> 
> (2) root at ttyp0 # dmesg |grep south
> atapci0: Correcting VIA config for southbridge data corruption bug

It's not the "VIA config" that's the problem, it's the PCI
config.  You have to hamstring your PCI bus so that DMAs
from the second channel to the first (e.g. such as when you
load from a CDROM) are not corrupted.

I believe the fix in the tree is for a seperate problem with
this chipset, having to do with something noisy on the PCI bus
(the common complaint is againt SoundBlaster Pro cards, or
something like that, but any "noisy" PCI card will do it).

Read the article, and the two links near the bottom (you will
have to use the google cache to get to them).

-- Terry