On 9/18/07, John Oliver <[EMAIL PROTECTED]> wrote:
>
> Yes, I can mount, unmount, fsck, ls, etc. under Ubuntu. But the kernel
> loaded in the VM cannot. And I've tried several different kernels...
> I've gone back and compiled ext2 and ext3 statically and as modules,
> etc.
>
> > I am not aware of any strange changes made to ext2 that would make a
> > newer version unreadable by a far older kernel (2.4.18).
>
> Someone had suggested that an ext2 or ext3 filesystem created by a newer
> Linux wouldn't work under an older Red Hat, so I even created and
> formatted the partition with a Red Hat 7.3 rescue CD.
>
> And I'm having the exact same problem with a Red Hat 9 VM. If I keep
> screwing around, I can get it to kernel panic: VFS: Unable to mount root
> fs on 08:02 Like http://www.john-oliver.net/nllnk01-2.GIF We can see
> that /dev/sda is seen just fine, and that /dev/sda1 and /dev/sda2 are
> seen as well. This may be the result of not having the right
> combination of ext2 and/or ext3 compiled as a module or statically or
> whatever the heck it wants so it will start to bomb out with the
> superblock error again.
Step back and reconsider what your real goal is.
If you can read the original file system using a live CD, then just
copy it all to a clean file system on another drive. Using your
choice of command-line tools. Note that mkisofs will gladly make
multi-gigabyte ISO files that can be loop mounted.
Partly stimulated by last week's KPLUG talk by Rodney Williams
<[EMAIL PROTECTED]>.
carl
--
carl lowenstein marine physical lab u.c. san diego
[EMAIL PROTECTED]
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