Re: 8.0-beta3 does not detect several ata channels

On Friday 11 September 2009 7:40:52 am Nick Hilliard wrote:
> On 08/09/2009 18:25, John Baldwin wrote:
> > So as with the other pciconf output I got, it seems that it is reading the
> > registers ok in both cases.  Can you add some printfs to the ata driver to
> > figure out when it starts behaving differently (e.g. reading a value from 
a
> > register) between the mcfg=0 and mcfg=1 cases on 8?
> 
> oh my, this is causing sadness.
> 
> I've installed 8.0 on a usb key and am running into the mountroot problem 
> that others are seeing:
 
Hmm, I figured you could just install 8.0 onto the system with mcfg disabled 
and set mcfg=1 when booting a test kernel so you didn't have to go the 
full-blown USB key route.

> You'll have to excuse me but my ata driver clue is epsilon away from zero. 
>   If you can tell me what sort of stuff to put where, I can build a kernel 
> with local mods and report on what it's doing.  But being inventive with 
> this is beyond my understanding of what's going on in the pcie subsystem. 
> Sorry :-(

Ah, I would probably start with adding printfs to the various routines in 
sys/dev/ata/chipsets/ata-nvidia.c.

-- 
John Baldwin