Re: PPC DVD request (12.1 unstable)

I was able to broke PowerMac booting. Since I've patched lilo/yaboot.
(I'm using IBM Power machines)

I don't have PowerMac where I can test things, so if nobody testing
pmac, i guess any commit can broke it.

On Thu, Nov 10, 2011 at 2:25 PM, Larry Stotler <[email protected]> wrote:
> On Thu, Nov 10, 2011 at 8:22 AM, Alexander Graf <[email protected]> wrote:
>> This is a wild guess, but Mac booting support was dropped from SLES, so I
>> suppose whatever change there was made it to factory as well. The kernel and
>> user space however should run just fine.
>
> This was something I wasn't aware of.
>
>> The way to fix it would be to read yourself into how the boot process works
>> on Macs. Somehow you need to convince the Mac OF that it should load yaboot
>> from the CD. Yaboot then has a config file on the CD that tells it where the
>> kernel and initrd are.
>
> hmmm.  Will give that a go.
>
>> You could try to locate yaboot on the CD manually and try to boot it from
>> the OF command line. You could try and see what happens when you pass the
>> kernel and initrd to qemu-system-ppc with -kernel and -initrd. You could
>> even go as far as installing a system with qemu and then dd'ing it over to a
>> disk that you put into your Mac.
>
> Seems to just ignore the cd for boot purposes, but that's probably for
> the reason you outlined earlier.
>
>> I don't know the answer really. All I know is that apparently there is
>> nobody on this list who goes "oh, yeah, that is easy, it only takes 5
>> minutes and I'm done". Either we manage to build a community (and I mean
>> development community, not testing community) around PPC or the whole thing
>> will stay dead.
>
> Peter used to hang around here as well, but he's probably like the
> rest of us and just hasn't had the time to devote to it.  Life, kids,
> bills, and just being able to get things done tends to get in the
> way.......  :-)
>
>>> Is Andreas Jaeger still around?  Haven't seen him in a while(and I
>>> haven't been around as much as I had hoped to be either).
>>
>> He is certainly still around, yeah :). I'm not sure if he's interested in
>> getting involved on the ppc port though.
>
> Actually, I was thinking of Olaf, but Andreas was the first name to
> come to me.  Olaf used to help me out on my old world stuff.  Gave up
> on those machines because they just couldn't handle newer versions
> without at least a G4/400 upgrade.  And even then it was
> sluggish(example - the Powerbook Wallstreet only had a 16.7MB/s hard
> drive controller, so it wasn't ever gonna be fast, even with a 320GB
> drive).  My  Thinkpad A22p may only have a P3/1Ghz and 33MB/s drive
> controller, but it makes a world of difference.  And I USE the
> thinkpad daily, where my Powerbooks don't really get used.........
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