2.2 install on B/W G3 freezes at setup_arch:bootmem

[A R]

Dear Timothy,

I am back, and I have performed the checks you
suggest.
I can rule out both suggestions unfortunately.

I have one 12" long IDE cable, so I can attach either
hard drive to either computer using the same cable.
Either hard disk boots computer 1 and neither boots
computer 3, all with the exact same IDE cable.

Both computers have the updated 646U2-402 chip,
based on reading the printing on the chips themselves.

(Also, I left the battery out for a week after the
motherboard reset procedure and no change.)

So, do you have any other thoughts for me?

I am contemplating the following:

If I start with the YDL 2.2 installer with the 2.2 
kernel, I will have to wipe the disk, and then redo
all the RPMs I want and all the configs I need.

I have a dd'ed disk image of YDL 2.2 (the way I like
it) on the hard disk of the Mac that can't boot YDL
2.2
(with the 2.4 kernel).
Can I do a kernel downgrade (or upgrade), leaving the
rest of YDL 2.2 (and my customizations) pretty much
intact?

What do you think of the feasibility of this plan?

Thanks again,
Andrew


--- "Timothy A. Seufert" <tas@mindspring.com> wrote:
> At 4:13 PM -0700 6/3/02, A R wrote:
> 
> >I will now leave the battery out overnight as you
> >suggested.  However, the system seems to have been
> >reset fully by waiting an hour, so any additional
> >suggestions would be very much appreciated.
> 
> Shot in the dark suggestion: maybe it's the IDE
> cables?  For the 
> short HD cable, you could easily swap cables between
> machines.  For 
> the long CD cable, it would be a big pain to switch
> cables (you have 
> to remove the motherboard to get it out, at which
> point you might as 
> well find out if the problem follows the
> motherboard).  But you could 
> just plug in a known good cable borrowed from a PC
> as a temporary 
> measure to find out if something's up.
> 
> Also, the motherboards may not be absolutely 100%
> identical.  Apple 
> shipped two revisions of the B&W motherboard.  The
> first revision had 
> a CMD 646U2 UDMA-33 controller chip for the hard
> drive IDE channel. 
> CMD didn't do a good job designing that chip (which
> regrettably was 
> quite popular, used in things ranging from Sun
> workstations to PCI 
> IDE cards), and it has some nasty problems when used
> with certain 
> drive models or with more than one drive.  The
> second revision of the 
> B&W board upgraded to the bugfix version of the
> chip, 646U2-402.  You 
> might want to check your boards and see which board
> versions you 
> have.  The 646 IDE chip is in the corner of the
> board, behind the PCI 
> slots.
> -- 
> Tim Seufert

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