From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Jens Benecke <jens-usenet@spamfreemail.de>
Subject: Re: 2.6.1mm2: nforce2 / amd74xx IDE driver doesn't load
Date: Tue, 13 Jan 2004 15:34:53 +0100
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On Tuesday 13 of January 2004 08:10, Jens Benecke wrote:
> Nick Piggin wrote:
> >>running an up-to-date XFree86 4.3 from Debian unstable, I have a stuck
> >>mouse pointer in X11 every time some application uses 100% CPU. I have
> >>folding@home running in the background at nice 19, which doesn't disturb
> >>anything, but when my machine starts up the following happens: (...)
> >>During this time (20-30sec) the mouse pointer jerks from position to
> >>position about once to twice a second. My X server runs at priority 0,
> >> not -10, as recommended. This has been the case since 2.6.0-test11, but
> >> I have the (subjective) impression that under 2.6.1rc1-mm1 and 2.6.1-mm2
> >> it got worse.
> >
> > mm kernels have a small interactivity change, so it would be good to
> > compare with plain 2.6.1.
> >
> > It is recommended that your X server run at priority 0. The -10
> > priority is recommended when using my interactivity patches. Its all
> > quite confusing.
>
> Hi,
>
> I have found a (perhaps THE) reason why my X is so jerky: the nforce2
> chipset driver (amd74xx) doesn't load, because it "thinks" the BIOS IDE
> ports are disabled - which is definitely not the case

It doesn't load because IDE ports are already controlled by generic IDE code.
Just use CONFIG_BLK_DEV_AMD74XX=y.  I will fix this "BIOS" comment.

--bart

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