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PBG4 booting problems with installation CD
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srjtoo
n00b
n00b


Joined: 06 Aug 2009
Posts: 4

PostPosted: Thu Aug 06, 2009 4:13 am    Post subject: PBG4 booting problems with installation CD Reply with quote

Trying to install gentoo on a 5-year-old powerbook G4.

However, whenever we try to boot to the CD we get to the screen where you are supposed to boot up the kernel. When there, if we hit enter to boot into the default kernel, it acts like it is going to boot up for a minute and then complains of a memory access error and boots into OpenFirmware.

I am not sure, however I believe this to be due to the fact that the only kernel available on the CD is named G5, which one would assume is meant to work on the G5 not the G4. This is in direct conflict with the directions which state that the CD should contain a generic kernel named "apple".

We have tried this with 3 different CDs:
install-powerpc-minimal-20090712.iso
install-powerpc-minimal-2008.0.iso
install-powerpc-universal-2008.0.iso

So are we just making some stupid error in choosing which ISO to download? Have they stopped supporting anything but G5? Or do we need to file a bug report?

(The link below is a picture of what comes up when we boot it up)
http://img36.imageshack.us/img36/186/gentooscreenshot.jpg
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Mike Hunt
Watchman
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Joined: 19 Jul 2009
Posts: 5287

PostPosted: Thu Aug 06, 2009 4:42 am    Post subject: Reply with quote

I suggest checking with the Gentoo on PPC Forum. I think they can help you with this. :)
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cach0rr0
Bodhisattva
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Joined: 13 Nov 2008
Posts: 4123
Location: Houston, Republic of Texas

PostPosted: Thu Aug 06, 2009 6:14 am    Post subject: Reply with quote

you might look at fiddling with passing a mem= option on the kernel command line
i had to do the same on on ancient PC - not a mac, but possibly still applicable

e.g. with sysrescuecd

Code:
rescue32 mem=256M


fiddle with that value until you find the highest that allows booting

8 zillion other things to fiddle with as well - http://www.kernel.org/pub/linux/kernel/people/gregkh/lkn/lkn_pdf/ch09.pdf
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cach0rr0
Bodhisattva
Bodhisattva


Joined: 13 Nov 2008
Posts: 4123
Location: Houston, Republic of Texas

PostPosted: Thu Aug 06, 2009 6:16 am    Post subject: Reply with quote

wait, are you using the actual LiveCD to do this? If so, don't - use the minimal one from here

http://distfiles.gentoo.org/releases/ppc/current/install-powerpc-minimal-20090712.iso
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pilla
Administrator
Administrator


Joined: 07 Aug 2002
Posts: 7694
Location: Pelotas, BR

PostPosted: Fri Aug 07, 2009 3:01 pm    Post subject: Reply with quote

Moved from Installing Gentoo to Gentoo on PPC.
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"I'm just very selective about the reality I choose to accept." -- Calvin
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