ken wrote:

> m.s.w wrote:
>
>> Michael wrote:
>>> Hi,
>>> I'm using Gentoo running a 2.6 Kernel and everything is running fine!!
>>> However I want to use an open-mosix patched kernel so i emerged it and
>>> tryed to build it. I compile my kernel, load it into lilo and it is
>>> unable to mount hda1 (/boot) which is ext2, it throws an error whilst
>>> booting about e2fsck being unable to see the super block.
>>
>> I am not sure, but I think that switching from 2.6.X to 2.4 must be done
>> by changing the profile from
>>
>> /etc/make.profile -> ../usr/portage/profiles/default-linux/x86/2005.0
>> or whatever it points to, to a 2.4 profile like
>>
>> /etc/make.profile ->
>> ../usr/portage/profiles/default-linux/x86/2005.0/2.4
>>
>> But what other steps (if any) it is necessery to perform I don't know.
>>
>> Good luck,
>> m.s.w
> You must upgrade your profile by switching the symlink, or you won't be
> able
> to emerge the 2.6 kernel sources. The profile switch is ONLY a portage
> thing, making the switch won't break your system by itself.
>
> Once you switch profiles you should emerge -uD system which hopefully will
> get you the needed udev utilites. Then emerge -uD gentoo-sources to get
> the
> 2.6 kernel source. Now configure your kernel, build and install it as you
> did for 2.4. Make sure you select the udev support and leave out the
> devfs
> support! Also make sure you build all the module drivers for all your hw
> (as you did for 2.4). That should do it. Actually installing Gentoo from
> scratch with a 2.6 kernel wasn't any different than with the 2.4 kernel,
> the
> only thing that was different was that udev-vs-devfs thing. And the
> default udev rules config file is just fine, no need to configure anything
> yourself for udev ... unless you want to do something fancy like make a
> custom mount auto mount point for your iPod.
OOPS, one more thing. Make sure you install hotplug and coldplug. It makes
udev work much better. (especially with usb).