Re: More info on port 80 symptoms on MCP51 machine.

[Rene Herman <rene.herman@gmail.com>]

On 14-12-07 23:05, Chuck Ebbert wrote:

> On 12/12/2007 04:05 PM, H. Peter Anvin wrote:

> > Rene Herman wrote:

> > > By the way, _does_ anyone have a contact at nVidia who could clarify?
> > > Alan maybe? I'm quite curious what they did...
> > >
> > > Summary:
> > >
> > > Unless after booting with "acpi=off", outputs to port 0x80 (the legacy
> > > way to delay I/O) reliably, but not immediately, hang MCP51 machines.
> > > Outputs to port 0xed do not indicating it's a not a generic bus abort
> > > problem.
> > Sorry, the first sentence didn't parse unambiguously for me.  Do you
> > mean "acpi=off" works, or that "acpi=off" allows *subsequent* boots to
> > work?
> >
> > I have some people at nVidia I can probably ping.

Sorry, didn't see this again due to aforementioned horseshit ISP. "acpi=off" 
works it seems. Report from David Reed here:

http://lkml.org/lkml/2007/12/12/291

> Have them search on Google for:
>
>   hp tx1000 noapic
>
> :)

Rene.


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