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Re: Linux does not boot after a MacOSX upgrade



Chris Tillman wrote:

> On Tue, Sep 23, 2003 at 09:27:19PM +1000, Michael Lake wrote:
>>ummm about reconfiguring yaboot?? How does one do that when you are in a 
>>shell from booting from an install CD? I have booted from a CD and have 
>>mounted my system with "mount /dev/hda11 /mnt" so I can now see and 
>>probably edit /etc/yaboot.conf
>>Then I gather you run ybin but what parameters to give to ybin to tell 
>>it to install to /dev/hda???
>>Normally I would just run ybin from a normally booted system.
>>(I dont have a man ybin on the CD booted system)

> The best way is to execute in a chroot. First modify 
> /target/etc/yaboot.conf if needed. Then
> chroot /target /bin/bash
> mount -t proc proc /proc
> ybin -v
> exit

OK I have booted from CD1 and got myself a # shell.
mounted /dev/hda11 under /target and I was able to cat 
/target/etc/yaboot.conf and all was fine with it.
Then followed the above. All worked OK.
(I liked the blessing)

Rebooted the machine and at the boot: prompt hit 'l' for linux, it 
enters the second boot stage then still starts the kernel and exits with 
openpic exit. So the error is still the same.

Can someone explain what the OSX upgrade might have done. I would have 
thought that it would have just blown away the bootloader for linux and 
so I would not have even got a boot: prompt - it would have just booted 
straight into OSX. Yet I still have the first stage bootloader and it 
points to my current perfectly fine kernel. Is there something that the 
kernel needs to know from OpenFirmware that OSX upgrade changed? I cant 
imagine theat the OSX upgrade would touch the kernel as that is on 
/dev/hda11

Mike




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