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Obscure
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Joined: 17 Oct 2005
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PostPosted: Fri Mar 23, 2007 9:17 am    Post subject: Linux partition map modifications Reply with quote

Hi all

I'm reinstalling a MacOSX after previously Gentoo installation

The installation, single or dual boot ends correctly but OSX doesn't boot
In single user mode I can access a shell

Should previously Gentoo installation modified the boot sector?
Is there a way to "restore" the partition map?
Or someone knows this trouble?

Thank you very much
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grazie
n00b
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Joined: 14 Nov 2005
Posts: 61

PostPosted: Fri Mar 23, 2007 10:27 am    Post subject: Reply with quote

Never actually tried to install OS X after Gentoo and although it's not the recommend way to do it you be able it if you've set up your hfs+ partition before hand. However, what you describe seems odd. If the OS X installation had succeeded I would have expected to lose the ability to boot Gentoo and have to re-install yaboot.

Quote:
The installation, single or dual boot ends correctly but OSX doesn't boot
In single user mode I can access a shell


Not sure what you mean here either. Are you referring to OS X or Gentoo or both? Posting the output of
Code:
$ mac-fdisk -l

And the content of /etc/yaboot.conf and /etc/fstab on the Gentoo / partiton always help make it a bit easier to know what's going on.
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Obscure
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PostPosted: Fri Mar 23, 2007 11:07 am    Post subject: Reply with quote

I deleted previous installation of Gentoo+yaboot from my PowerBook G4 to re-install MacOSX
I used DiskUtilities from MacOSX install cd and deleted all previous partitions, and initialized the disk with HFS+ fs
MacOSX installations finished correctly but after reboot it hangs saying in 4 languages: "You need to restart your computer. Hold down the Power button for several seconds or press Restart button" (someone told me is a MacOSX crash screen)
Well, I can access to OSX booting in single user mode, so it seems is installed

I think should be a trouble from previous installation of Gentoo
maybe some troubles caused by yaboot?

Tnx
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JoseJX
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Joined: 28 Apr 2002
Posts: 2774

PostPosted: Fri Mar 23, 2007 11:43 am    Post subject: Reply with quote

You get this screen because of an OSX kernel panic. I doubt it's from yaboot, but you can clear the nvram by holding down Apple + Option + P + R at startup. This will reset all nvram settings to default and remove any changes yaboot made.
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PostPosted: Fri Mar 23, 2007 11:44 am    Post subject: Reply with quote

If you've done as you say you've got an OS X problem and I can't really help you.
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