yaboot boots os x, not linux, b&w g3

[mascarasnake]

Ok, I'm a little slow. Just noticed that your PCI ATA add-on card is an 
Ultra-Tek100P. I have the same card, and it gave me no end of grief on 
my B&W. I eventually updated the firmware on that card and made it 
completely unusable on the B&W - for the Mac OS or Linux (I eventually 
just put it in my 7500 and it works fine there). So, in essence, you may 
be looking at a hardware problem.
 From your 'devalias' it looks as tho you're running a rev2 B&W that has 
the internal ATA bus (as opposed to the Ultra Wide SCSI bus).
If the ATA card *is* your problem, you *should* be able to set up the 
drives on the internal ATA bus with no issue.

Here are a few links that I found helpful when I first got 3.0.1 on my B&W:
<http://web.archive.org/web/20010605042059/http://linuxppc.org/hardware/blueg3/>
<http://www.xlr8yourmac.com/> - Very good site for hardware issues
<http://www.justlinux.com/nhf/Hardware/Getting_Your_ATI_Rage_128_Card_Working.html>

If it's any consolation, you've inspired me to quit waiting for YDL4 and 
re-download and re-install 3.0.1. I hope some of this helps, and keep us 
posted on your progress. The B&W G3 was the first NewWorld DT machine 
and is kinda quirky in a lot of ways. All this may make it's way to the 
FAQ.

Jeffrey Bruton wrote:

> Maybe if I understood the syntax better I would have been able to hack 
> the right OF path-to-kernel, but not as of yet.
> 
> my devalias output had the following:
> 
> ide0     /pci/@d/mac-io/ata-3@2000
> cd        /pci/@d/mac-io/ata-3@2000/disk@0
> zip       /pci/@d/mac-io/ata-3@2000/disk@1
> 
> ide1      /pci/@d/pci-ata@1/ata-4@0
> hd         /pci/@d/pci-ata@1/ata-4@0/disk0
> ultra0    /pci/@d/pci-ata@1/ata-4@0/disk0
> utlra1    /pci/@d/pci-ata@1/ata-4@0/disk1
> 
> 
> ultra1:2,/vmlinux did not work, I also tried variations on this, as well 
> as ultra0 variations.
> 
> before I continue hacking at this I think I need to understand what this 
> path is saying, let me try
> 
> ultra1:2   <-- this is an alias to the second partition on disk1
> ,/vmlinux   <-- the path to the linux kernel on that partition
> 
> In the output of yaboot I got
> 
> /pci@8000000/pci-bridge@d/Ultra-Tek100P@4/0,0:2,/bootvmlinux-2.4.22-2f: 
> Unable to open file, Invalid device.
> 
> I tried the full OF path from devalias with the full kernel name which I 
> assumed would be the same as the error output from above
> 
>  /pci/@d/pci-ata@1/ata-4@0/disk1/bootvmlinux-2.4.22-2f
> 
> no go. Well, this is where it stands now, not too sure what to do, going 
> to reread some documentation and see if something clicks, thanks for all 
> the help so far
> 
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