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Mac Mini, monitor out of sync booting linux (resolved)
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Wilko
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Joined: 11 Jun 2004
Posts: 35
Location: Calgary (Chillin with Jerome.) Ab, Canada.

PostPosted: Sat May 21, 2005 4:02 am    Post subject: Mac Mini, monitor out of sync booting linux (resolved) Reply with quote

Hey I've just finished with yaboot and am having trouble booting my Mac Mini into linux (although booting into osx remains working).

The first time I booted it (without frame buffer), the monitor flickered a few times and then went dark. I then recompiled the kernel to add framebuffer support in (because thats what the live CD used) and now the monitor has lots of fast scrolling horizontal lines. It looks sort of like a monitor out of range problem.

I'll post my kernel config and yaboot parameters if people request them, but I'm sort of hoping this will have a simple solution.


Also one other consideration:

The PPC handbook (http://www.gentoo.org/doc/en/handbook/handbook-ppc.xml?part=1&chap=4), during the hard drive partition stage, says to create a boot partition (ext2) and a root partition (ext, or xfs). However when you get to the boot loader part, the documentation says that these must be on the same partition or your effectively boned (no documentation given in the case they aren't on the same partition).

This situation creates a sort of trap. If you partition your harddrive as the manual says, the last step informs you that your partitioning scheme is no good, assumably you would reformat and start again (In my case I think I've tweekered the yaboot.conf enough to let it slide anyway, but that might be causing my problem).

Edit

Sorry for being so sparse before, I was hoping this was a common problem. Anyway, I've gotten a bootable kernel by stepping down a version.

Originally I had been using the vanilla kernel 2.6.12-r4, I was hoping to avoid that whole mac-mini sound issue by taking the bleeding edge. I'm now using the bleeding edge gentoo sources, (still bleeding edge, I'll never learn). The system has text I can read now, unfortunately I've still got some other issues to resolve (getting yaboot to append the correct kernel root option), but I can probably solve this one.
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ian!
Bodhisattva
Bodhisattva


Joined: 25 Feb 2003
Posts: 3829
Location: Essen, Germany

PostPosted: Sun May 22, 2005 7:27 am    Post subject: Reply with quote

Moved from Installing Gentoo to Gentoo on PPC.
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JoseJX
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Joined: 28 Apr 2002
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PostPosted: Tue May 24, 2005 10:44 am    Post subject: Reply with quote

The handbook does not suggest to make a boot partition, the Mac Mini is a New World Mac, so looking at that table it says that the partition is not needed. If there is another spot where it says otherwise, please let me know.
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