Re: Dual Athlon: Kernel 2.4.14 IDE problems

Bill Davidsen (davidsen@tmr.com)
Tue, 27 Nov 2001 14:53:23 -0500 (EST)


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

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