cannot open root device hda3

Tom tmccaffery at vacationsnbeyond.com
Tue Jan 27 19:37:50 PST 2009


> Hello folks.
>
> I'm working lfs book 6.4 (have already done 6.3) and am tying first time 
> boot.
>
> error:
> VFS: cannont open root device hda3 or unknow block (2,0)
>
> please append a correct "root" boot option: here are the available 
> partions
>
> kernel panic - not syncing: VFS unable to mount root fs on unkonw block 
> (2,0)
>
> OK
>
>                       Size: 120034123776 bytes, 120.0 GB
>             Heads: 255   Sectors per Track: 63   Cylinders: 14593
>
>    Name        Flags      Part Type  FS Type          [Label]        Size 
> (MB)
> ------------------------------------------------------------------------------
>    hda1        Boot        Primary   Linux ext3       [/boot1] 
> 197.41
>    hda2                    Primary   Linux 
> 1283.15
>    hda3                    Primary   Linux ext2 
> 10997.20
>
>
> # Begin /etc/fstab
>
> # file system  mount-point  type   options         dump  fsck
> #                                                        order
>
> /dev/hda3      /            ext2   defaults        1     1
> /dev/hda2      swap         swap   pri=1           0     0
> proc           /proc        proc   defaults        0     0
> sysfs          /sys         sysfs  defaults        0     0
> devpts         /dev/pts     devpts gid=4,mode=620  0     0
> tmpfs          /dev/shm     tmpfs  defaults        0     0
> # End /etc/fstab
>
> BOOTED LIVECD and mounted hda3:
> root [ /mnt/lfs/boot ]# ls
> config-2.6.27.4  grub  lfskernel-2.6.27.4  System.map-2.6.27.4
>
> menu.lst
> # Begin /boot/grub/menu.lst
> # By default boot the first menu entry.
> default 0
> # Allow 30 seconds before booting the default.
> timeout 30
> # Use prettier colors.
> color green/black light-green/black
>
> # The first entry is for LFS.
> title LFS 6.4
> root (hd0,2)
> kernel /boot/lfskernel-2.6.27.4 root=/dev/hda3
>
> Any ideas?
>
> Thanks in advance
>
> rp
im getting same thing, i downloaded the live cd im trying that (copied the 
config file), im sure it's something in kernel config. 




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