Mailinglist Archive: opensuse (1185 mails)

["Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>]

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On 2010-05-20 23:20, Hans de Faber wrote:

> > > Here is the line
> > > "/dev/disk/by-id/ata-SAMSUNG_HD103SJ_S246JDWS911276-part5  /   ext4
> > >   defaults              1 1 "
> >
> > ¿No other?
> Not relevant all lines are OK, its a 100% copy of my running ext3 root
> partition. Only ext3 is changed in ext4 and part6 in part5

You haven't copied the output of the file -s command I suggested.

> > > But I think I have found the source of the error
> > > In the file:///boot/initrd-2.6.31.12-0.2-desktop is hard coded the
> > > disk+partition+filesystem.
> >
> > How do you know?
> Unpack and open the file with okteta

Mmmm....

That's just an hex editor.

Instead:

cp /boot/initrd /tmp/initrd.cpio.gz
gunzip /tmp/initrd.cpio.gz

then you can view /tmp/initrd/cpio with mc, for instance, or expand it into a 
tree.

The configuration appears to be in /tmp/initrdtree/config/, moun.sh and 
storage.sh, and a few more,
perhaps.


> > That is new to me.
> > And I have changed the root filesystem in 11.2 sucessfully.
> I changed also my rootpartion succesfully, you can override the disk and
> the partition in grubs menu.lst. But you can't overide the filesystem in
> grub and thats the problem

You may be right.

Bug 577798 - mounts a reiserfs partition and reports ext3.

I hadn't realized the implications. My memory remembered the incident 
incorrectly. It booted
correctly because my initrd was correct and matched the filesystem.


> > Weird.
> >
> > > Thus the question is now how to generate a new initrd
> >
> > mkinitrd
> Yes and how do I put in the new parameters ????
> IF I boot the new partition I don't have a complete OS.

The tool is probably "mkinitrd_setup", and I think it uses "mkinitrd.config" as 
a config file (saved
in the cpio). In my case, it contains one line:

- -k /boot/vmlinuz-2.6.31.12-0.2-desktop -i /boot/initrd-2.6.31.12-0.2-desktop


The script has this syntax:

usage:
        mkinitrd_setup [-s|--scriptdir <scriptdir>]
                [-i|--installdir <installdir>]
                [-d|--debug] [-o|--offset <offset>] [-h|--help]

        Install mkinitrd scripts. Options are:
        -s|--scriptdir  Install initrd scripts from dir <scriptdir>
        -i|--installdir Install initrd scripts in dir <installdir>
        -d|--debug      Enable debug output
        -o|--offset     Use <offset> between script numbers.


But the files given to -k or -i are not configuration files.

Things do not add up....


You might expand the cpio tree, manually replace "ext3" with "ext4" on all 
files with a text editor,
manually recreate the "initrd.cpio.gz" archive from the tree, and replace the 
original initrd
archive with it.


- -- 
Cheers / Saludos,

                Carlos E. R.
                (from 11.2 x86_64 "Emerald" GM (Elessar))
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