On 28 Feb 2002, Stephen C. Tweedie (sct@redhat.com) wrote:
> Hi,
>
> On Sat, Feb 23, 2002 at 02:55:33PM +0100, Jan Söderholm wrote:
>
> > I use RH 7.2 (the download version) with kernel 2.4.9-13 (upgraded by
> > using the Up2date program). Today i used Up2date (version 2.7.11) to
> > upgrade to 2.4.9-21 (kernel, headers and source). I get the following
> > error while the new kernel is booting:
> >
> > EXT3-fs: unable to read superblock
> > mount: error 22 mounting ext3
> > pivotroot: pivot_root (/sysroot, /sysroot/initrd) failed: 2
>
> Do you have an "/initrd" root directory? If not, make one.
>
> Cheers,
> Stephen
Actually, you should check to see if you used to have an EXT3 file system,
and maybe the journal got clobbered somehow (effectively now only an EXT2.)
Your /etc/fstab might look something like this: (note the "ext3" in
the
first two lines)
LABEL=/ / ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /proc proc defaults 0 0
none /dev/shm tmpfs defaults 0 0
/dev/hda2 swap swap defaults 0 0
/dev/cdrom /mnt/cdrom iso9660 noauto,owner,kudzu,ro 0 0
/dev/fd0 /mnt/floppy auto noauto,owner,kudzu 0 0
none /proc/bus/usb usbdevfs noauto 0 0
When you run " /sbin/tune2fs -j /dev/hda# " it will add a default
journal
file back onto the file system if one is missing.
Your kernel panic should disappear.
(I wonder why hasn't this simple test been put into the kernel yet? If FS
type is EXT3, and there's no journal, tell user to go and create one or
proceed with defaults...)
---
Richard Chadderton
Watcher -(at)- Vigilans.NET
