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List:       mandrake-cooker
Subject:    [Cooker] rebuild an initrd under rescue cdrom
From:       Pascal Cavy <pascal () vmfacility ! fr>
Date:       2003-04-01 12:17:08
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After migration from MDK 7.2 to MDK 9.1, the installer left a new system 
without an initrd for 2.4.21-0.13mdk, thus I cannot boot it anymore.

I was wondering if it is possible to rebuild my initrd from the 9.1 rescue CD.

I tried the following but to no avail (maybe because of using the freshly 
installed system by means of a chroot on /mnt) :

boot rescue cd1
mount all FS on /mnt
go to console
chroot /mnt

First I was to mount /proc  because mkinitrd _does not check_ that /proc is 
available and thus we end in a loop at the step it scans for /proc/mounts FS.

mount /proc

mkinitrd /boot/initrd-2.4.21-0.13mdk.img 2.4.21-0.13mdk.img

which leads to an error like :
+ dd if=/dev/zero of=/tmp/initrd.img.LiQwlh bs=1k count=420
+ '[' -n '' ']'
+ mke2fs -q -m 0 -F -N 45 -s 1 /tmp/initrd.img.LiQwlh
mke2fs 1.32 (09-Nov-2002)
mke2fs: Device size reported to be zero.  Invalid partition specified, or
        partition table wasn't reread after running fdisk, due to
        a modified partition being busy and in use.  You may need to reboot
        to re-read your partition table.

+ mkdir -p /tmp/initrd.mnt.sSf2Ug
+ mount -t ext2 /tmp/initrd.img.LiQwlh /tmp/initrd.mnt.sSf2Ug -o loop
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
       or too many mounted file systems
+ echo 'Can'\''t get a loopback device'
Can't get a loopback device
+ exit 1
+ rm -rf /tmp/initrd.3Syylf /tmp/initrd.mnt.sSf2Ug /tmp/initrd.img.LiQwlh

has anyone a key of how to do this under rescue ?



-- 
Pascal Cavy - VMF
__________________________________________________________________
Running 6 min,  2 users,  load average: 0.07, 0.37, 0.23
(gcc version 3.2.2 (Mandrake Linux 9.1 3.2.2-3mdk))
Kernel Linux version 2.4.21-0.13mdkenterprise


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