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SubjectRe: ide.2.4.1-p3.01112001.patch
On Sun, Jan 14, 2001 at 08:38:23PM +0100, Jamie Lokier wrote:

> > I think its significant that two reports I have are FIC PA-2013 but not all.
> > What combination of chips is on the 2013 ?
>
> Reading through my mail logs, I know a board, either FIC PA-2011 or FIC
> PA-2007 (I seem to have changed my mind somewhere in history) with a
> 6.4G Quantum Fireball ST, 64MB RAM and an AMD K6-233. The chipset
> reports as VIA VP2/97; sorry, I do not have access to get the PCI IDs.

PA-2007 is indeed a VP2/97, a very nice board, with vt82c595+vt82c586b.

> It locks up with DMA enabled, typically after a few hours, and has done
> that since 2.1 kernel days.
>
> Unfortunately it locks up with Mandrake 7.2 which is not very old (based
> on 2.2.17 kernels -- it's not my PC any more but I installed Mandrake on
> it recently).
>
> Kernel option "ide=nodma" fixes this -- no lockups.
>
> After that "hdparm -X34 -d1" enables DMA and the board remains reliable.
> I observed one lockup in several years, while X was starting so it could
> have been X. -X34 does not change the results of "hdparm -t".
>
> Note that "hdparm -X34 -d1" enables old DMA, not UDMA. (The board was
> advertised as UDMA capable but it isn't AFAIK).

It should be able to do UDMA33.

Is the board still available for some testing?

--
Vojtech Pavlik
SuSE Labs
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