Hi Duane,
Did you install a 2.6 or 2.4 kernel? The 2.6 kernel requires an
initial ramdisk. The 2.4 kernel (usually) does not.
The kernel installer leaves a kernel and a tailored initrd in the
/boot partition. You need to copy them into the appropriate places
inside the MacOS System folder on your HFS partition.
The way I do this is to go to the "alt-F2" console after the new
kernel has been installed and just before it reboots. Then I do the
following:
modprobe hfs # (see note 1)
mkdir /MacOS
mount -t hfs /dev/discs/disc0/part6 /MacOS # (see note 2)
ls -l /MacOS # (to make sure you've got the right partition mounted!)
cp /target/boot/vmlinux /MacOS/System\ Folder/Linux\ Kernels/ #
(see note 3)
cp /target/boot/initrd.img /MacOS/System\ Folder/Linux\
Ramdisks/ # (see note 3)
sync
umount /MacOS
Then switch back to the "alt-F1" console and allow the reboot to
proceed. This will land you in MacOS with BootX running. You will
need to modify the various options to make it pick your new kernel
and initrd.
Don't worry about the fact that choosing an initrd will take away
the option to tell it where your root partition is: The initrd
that was prepared for you by the kernel install stuff has the right
code to switch to your real root partition once it has loaded the
necessary modules, etc. You just have to point BootX at it and it
does the rest.
note 1: You can use "hfsplus" in place of "hfs", if your MacOS
partition is HFSplus. I use HFS, personally, because I feel like
the Linux HFSplus module is still fairly new and untested. But I'm
old and paranoid. You may be braver.
note 2: The installer uses "devfs" (I think that's the right
word) device names. You need to figure out which partition has
your MacOS system on it, and use that in place of
"/dev/..../part6". Shell auto-completion is your friend here!
note 3: BootX gives you a variety of places to put your kernels
and initial ramdisk images. I've used the folder-names that I
chose when I was getting started. You should use your own choice,
of course.
Enjoy!
Rick
On Sunday, September 26, 2004, at 12:28 AM, Duane Cottle wrote:
I successfully installed Sarge using this week's iso CD. I used
BootX to
access it, as the box won't boot from the CD. After the installation, I
deselected the ramdisk according to README and set root to /dev/hda7
likewise. I get kernel panic and "no root" error. When I use the
ramdisk, the installer begins again.
Has anyone seen this? I prefer BootX over miboot, and yaboot is not an
option on OldWorlds AFAICT.
Thanks for any advice.
Cheers,
Duane
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