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SubjectRe: Dual Athlon: Kernel 2.4.14 IDE problems
On Tue, 20 Nov 2001, Paul G. Allen wrote:

> I just compiled and installed a vanilla 2.4.14 kernel (nope, I haven't
> tweaked this one yet :). Just as a reminder, I have a Tyan Thunder K7
> with 2 1.4GHz Athlons (_NOT_ MP or XP). It has an IBM DTLA-307030
> Ultra100 IDE drive on the Ultra100 IDE interface.
> The kernel seems to boot with DMA enabled for this drive which causes
> frequent system lockups. This is the same problem I had with kernels
> through 2.4.9 (including the ac series). Disabling DMA (hdparm -d0
> /dev/hda) solves the problem.

Paul, just as a thought, is the 32 bit interface enabled on that drive? I
dimly remember that trying to run DMA through a 16 bit (default?)
interface could result in a learning experience.

bill davidsen <>
CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.

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