Upgrade 8.04->9.10 fails: crash to tty, claims can't mount rootfs

Dexter Filmore Dexter.Filmore at gmx.de
Tue Nov 10 23:20:04 GMT 2009


Am Dienstag, 10. November 2009 10:36:26 schrieb Tom H:
> >> >>> So today I finally decided to upgrade to 9.10 from 8.04.
> >> >>> Now after rebooting the system crashed to a maintenance shell
> >> >>> claiming the system wasn't able to mount the root fs.
> >> >>> Funny thing here: / was mounted. could perfectly dive into the
> >> >>> system, run programs and so on. Perfectly mounted.
> >> >>
> >> >> Did you check that you really have your disk partitions mounted? The
> >> >
> >> > Yes, the mounted / was the real deal as I could access my custom files
> >> > and as you stated below menu.lst and everything else. mount was sda6
> >> > which is supposed to be my / disk. No seperate /boot partition in
> >> > here.
> >>
> >> Do you see all your partitions when you run "ls /dev//dev/sda*" after
> >> "Dropping to a shell"?
>
> I was not asking about your mountpoints or mounted partitions. I was
> asking about the actual content of the /dev directory.

I didn't check that, but "mount" reported / to be mounted from /dev/sda6 for 
sure.

>
> >> Poking around my initrd, it looks like your "ALERT! ... Dropping to a
> >> shell!" message comes from the initrd script that mounts /. The output
> >> between "ALERT" and "Dropping" is what initrd's init script thinks
> >> your / is. Is it correct?
> >
> > Not reproduceable since I overwrote the broken system with backups.
> >
> >> The init script in initrd gets /'s location from the menu.lst kernel.
> >> Check that the UUID in "root=UUID=..." is correct or change it to
> >> "root=/dev/sd..." (with an "e" at the grub menu) and boot.
> >
> > See original post.
>
> I was asking (politely!) for you to re-check the UUIDs.

And I was replying: see my original post. If I wasn't sure the UUID was ok I 
wouldn't have told you so.
I'm not short to be rude but because I got way too much issues on my hands to 
chat, sorry.
Should really get me a Mac or two...

>
> And to try /dev/sdX just in case /dev/disk/by-uuid was not being seen.

Too late, backups overwrote the damaged installation. Currently my plan is to 
wait for 9.10.1, then make another attempt, that fails decide whether to 
reinstall or switch dists. Gotta cross the t's and dot the i's.

Dex

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