Re: [gentoo-user] Re: kernel configuration problem -- genkernel: no irq handler; manual config: root filesystem could not be mounted r/w

[Dale <rdalek1967@gmail.com>]

rocwhite168 wrote:
> Dale<rdalek1967<at>  gmail.com>  writes:
>
>    
>> I notice you are using ext4 for the root partition file system.  Do you
>> have support for ext4 compiled in the kernel?  Not as a module but built
>> into the kernel?  Using modules is OK but things that it has to have to
>> get to the point where it can read the root partition and start loading
>> modules has to be built in, unless you want to go to the additional
>> effort to use a initrd.
>>
>> Dale
>>
>>      
> Yes, it's built-in. I have attached a copy of my kernel config file in the
> original post.
>
> Thanks,
> Roc
>
>
>    

I sort of think this is in there but make sure you did the same for your 
drive controllers as well.  You may also want to try this link.

http://forums.gentoo.org/viewtopic-p-4173972.html#4173972

I haven't had to put that on mine but maybe something is different.  The 
most common cause for this is not having the file system or drive 
controller drivers built in the kernel.  Sort of grasping at straws 
here.  ;-)  I posted the link in case you want to read the rest of the 
thread as well.

Make sure the option you have in fstab are correct for ext4.  I have not 
used ext4 so I don't know if noatime applies or not.  If you are unsure, 
set it to "defaults" for the time being.  You should be able to change 
that later.

Also, this is one of my grub.conf boot lines:

title Gentoo
kernel (hd0,0)/bzImage-2.6.30-r8-1 root=/dev/hda6

If nothing else works, copy yours to look like mine but replacing the 
relevant parts to match your setup, kernel name and where root is.

Hope this helps.

Dale

:-)  :-)