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Mac Mini hangs at "openpic: exit."
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z3ro
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PostPosted: Tue Feb 22, 2005 10:53 am    Post subject: Mac Mini hangs at "openpic: exit." Reply with quote

I realize that this has been posted before, however none of those posts have been able to help me...

I just finished installing Gentoo on my new Mac Mini, however when it boots it hangs at "openpic: exit."

Should I try an older version of Yaboot? I'm really not sure what's going on here. :(
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z3ro
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PostPosted: Tue Feb 22, 2005 2:01 pm    Post subject: Reply with quote

Could someone who has a working Mac Mini with only Gentoo on it - no dual boot post their partition tables and Yaboot config files?

No matter what I do I can't seem to get the Mini to boot the Gentoo install on it's hdd. It can boot the livecd just fine though.
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Achille
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PostPosted: Tue Feb 22, 2005 2:51 pm    Post subject: Reply with quote

Have a look here.
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z3ro
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PostPosted: Tue Feb 22, 2005 3:55 pm    Post subject: Reply with quote

Achille wrote:
Have a look here.


That does not help me with the openpic problem, I can't get the Mini to boot from it's hard-drive since it hangs at "openpic: exit."
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pindar
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PostPosted: Tue Feb 22, 2005 5:01 pm    Post subject: Reply with quote

I had the same problem, and IIRC, it was a kernel configuration issue. I'm not sure what part exactly caused the problem, but recompiling with the proper options made the problem disappear. Sorry if this isn't very helpful. You could try and take the config file from the LiveCD and take it from there.
Good luck!
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z3ro
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PostPosted: Tue Feb 22, 2005 5:17 pm    Post subject: Reply with quote

pindar wrote:
I had the same problem, and IIRC, it was a kernel configuration issue. I'm not sure what part exactly caused the problem, but recompiling with the proper options made the problem disappear. Sorry if this isn't very helpful. You could try and take the config file from the LiveCD and take it from there.
Good luck!


Hmm, I had a suspicion it could have been my kernel - everything else is pretty much the same as the livecd. Yaboot is a slightly more updated version, but apart from that...

I might just have to use the default ppc kernel config, then gradually add the options I need until I come across the one that breaks it. You wold not happen to have any idea of the general area where the option is that would cause it to fail to boot? I'm guessing it would be in the Device Drivers, but that's just a guess.
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z3ro
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PostPosted: Tue Feb 22, 2005 6:26 pm    Post subject: Reply with quote

I just got it booting from hard-drive. It must have been something in my kernel, because after I did:

Code:
# cd /usr/src/linux
# rm .config
# make clean
# make menuconfig
<Save Defaults>
# make && make modules_install
# cp vmlinux /boot; cp System.map /boot; cp .config /boot


Then the usual exit the chroot, umount partitions, reboot - it started working... So for anyone else who has this problem: start with the default kernel, then add your options gradually. It might save someone some headaches. :)

Thanks for your help pindar.
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JoseJX
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PostPosted: Tue Feb 22, 2005 9:33 pm    Post subject: Reply with quote

This most likely was related to not having a working frame buffer device. On ppc, the console requires a frame buffer device, there is no VESA fallback like on x86. So if there isn't a working frame buffer device, you don't get a console. The symptom is that is just shows the output from the kernel being loaded, but nothing more.

Moral of the story: Have a working frame buffer device. :)
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z3ro
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PostPosted: Tue Feb 22, 2005 9:38 pm    Post subject: Reply with quote

JoseJX wrote:
This most likely was related to not having a working frame buffer device. On ppc, the console requires a frame buffer device, there is no VESA fallback like on x86. So if there isn't a working frame buffer device, you don't get a console. The symptom is that is just shows the output from the kernel being loaded, but nothing more.

Moral of the story: Have a working frame buffer device. :)


Oh, thanks - I didn't actually know what caused the problem, now I know for in the future. I normally use a frame-buffer on my desktop computers but there is not much point on a server which will have a monitor for all of a few hours. :P

I'll make sure I remember to include frame-buffer support on any ppc computers in future. :)
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