can't boot to MacOS X partition - yaboot problem?

[David C. Hacker, DVM]

What mac are you using?  If it is  a newer iMac or newer computer you 
can hold down the option key at boot at get a choice to go straight 
into OS X or to yaboot.

David C. Hacker, DVM
212 N 1st St #2
New Salem, ND 58563
(701) 843-8179
On May 11, 2004, at 2:57 PM, Bernard B Yoo wrote:

>
>
>
>
> I suddenly developed problems booting into my MacOS X partition.
>
> I have a YDL 3 + MacOS X system with Yaboot.  For a long time, I had 
> been booting exclusively into MacOS X.  Recently, I booted into YDL 
> and ran Mac-on-Linux (MOL).  MacOS X started to start up, but got hung 
> up before reaching the login prompt.  I
> rebooted the computer.
>
> When I reboot and select MacOS X at the Yaboot prompt, the screen 
> flashes and the Yaboot prompt reappears.  I press "x" again and one of 
> two things happens: 1) the computer freezes or 2) the computer 
> complains of "cannot access memory at ".  No further
> activity occurs, no further information is given.
>
> When I reboot and select Linux, I can log in to Linux.  I can also 
> start to start up MacOS X in Linux (with "startmol -x" from a root 
> login).  The MacOS X startup hangs at "Waiting for Network Information 
> Service".  This is probably a user-induced error
> (my fault), as did some NIS setup sometime since the last time I used 
> MOL.  I suspect my NIS configuration is interfering with Linux on MOL.
>
> I would simply like to be able to boot directly into my MacOS X 
> partition, without MOL.  Yaboot seems to have a problem with this.  My 
> yaboot.conf file includes the following lines:
>
> boot=/dev/hda9
> device=/pci@f2000000/mac-io@17/ata-4@1f000/disk@0:
> init-message .....
> partition=12
> timeout=30
> install=/usr/lib/yaboot/yaboot
> magicboot=/usr/lib/yaboot/ofboot
> default=linux
>
> image=/boot/vmlinux-2.4.20-8d
>       label=linux
>       root=/dev/hda12
>       read-only
>       initrd=/boot/initrd-2.4.20-8d.img
>       append="hdc=ide=scsi"
>
> macosx=/dev/hda11
> macos=/dev/hda10
> defaultos=macos
> delay=10
>
> Sometime in the course of troubleshooting, I did run "ybin" again.  
> This does not seem to have had either a positive nor a negative 
> effect.
>
> If I wait long enough for MacOS X to get past the "waiting for Network 
> INformation SErvice" message when running under MOL, I can eventually 
> log in as root (yes, I enabled the root account).
>
> Can anybody help me get booted into MacOS X again?  TIA!
>
> B. Yoo
>
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