Re: [RFC] I/O MCA recovery

Grant Grundler
2004-05-04T23:18:43Z

On Tue, May 04, 2004 at 04:15:15PM -0700, David Mosberger wrote:
> >>>>> On Tue, 4 May 2004 16:11:35 -0700, Grant Grundler <iod00d@hp.com> said:
>
> Grant> HP chipsets (ZX1/SX1000) will hardfail - it's one of the
> Grant> differences I point out in the "Porting drivers to ZX1"
> Grant> OLS2002 paper I wrote. Sounds like SGI chipsets behave the
> Grant> same way.
>
> Hmmh, I thought zx1 soft-fails on inX/outX?

I'll have to try it...none of the drivers I care use IO port
space or randomly attempt to poke around.

ISTR the graphics folks agonizing over this issue when bringing
up the radeon cards as console - the BIOS emulation in firmware was
has issues with this same problem. Alex, remember more details?

grant