Re: [uml-devel] help needed for running uml on a sarge

[BlaisorBlade <blaisorblade_spam@yahoo.it>]

Alle 17:59, mercoledì 28 luglio 2004, atanugul@csee.wvu.edu ha scritto:
> Hi!
> I downloaded some root file sytems and got the following errors on a
> Debian 2.6.3-1-386 when I tired to run UML
> 1)with Debian-3.0r0.ext2 rootfs


> Checking root file system...
> fsck 1.27 (8-Mar-2002)
> fsck.ext2: No such file or directory while trying to open /dev/ubd/0
> /dev/ubd/0:
> The superblock could not be read or does not describe a correct ext2
> filesystem.  If the device is valid and it really contains an ext2
> filesystem (and not swap or ufs or something else), then the superblock
> is corrupt, and you might try running e2fsck with an alternate superblock:
>     e2fsck -b 8193 <device>
>
>
> fsck failed.  Please repair manually and reboot.  Please note
> that the root file system is currently mounted read-only.  To
> remount it read-write:
>
>  # mount -n -o remount,rw /
>
> CONTROL-D will exit from this shell and REBOOT the system.
>
> (none):~#
The /etc/fstab inside this rootFs tries to access /dev/ubd/0, which exists 
only if you use DevFS: you can enable it, in the kernel config and/or by 
adding devfs=mount to the command line. Or you can loop-mount the rootfs, 
create /dev/ubd? with this

for i in 0 1 2 3 4 5 6 7; do mknod ubd$i b 98 $[ $i * 16 ]; done

and edit /etc/fstab to refer to it. I.e. replace /dev/ubd/0 with /dev/ubd0, 
and repeat for other /dev/ubd/# to /dev/ubd#.

Bye
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729



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