VFS: Kernel Panic

[Jeff Vian]

On Mon, 2005-10-24 at 15:38 -0200, Clovis Tristao wrote:
> Hi,
> 
> I bought a new machine Pentium 4 3,8Ghz SMP , with 1GB RAM, my system is 
> running in a P3 866 Mhz, with two harddisk IDE.  I caught the record of 
> the P3 and placed in the P4, but it is appearing the following error: 
> 
> VFS: Cannot open root device "LABEL=/" or 00:00
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on 00:00
> 
Looks like grub is trying to access the root= device by the label, and
it may not be labeled.

Try modifying /boot/grub/grub.conf to have the kernel line mount the
device by name.  The same change will likely be needed in /etc/fstab

> My fstab and df command
> # df -k
> Sistema de Arquivo           1K-blocos      Usad Dispon.   Uso%Montado em
> /dev/hda2             19196432   7163720  11057568  40% /
> /dev/hda1                77750     14511     59225  20% /boot
> none                    386244         0    386244   0% /dev/shm
> /dev/hdc2             77229604  13542252  59764280  19% /home
> 
> # cat /etc/fstab
> LABEL=/                 /                       ext3    defaults        1 1
> LABEL=/boot             /boot                   ext3    defaults        1 2
> none                    /dev/pts                devpts  gid=5,mode=620  0 0
> #LABEL=/home             /home                   ext3    
> defaults,usrquota,grpquota        1 2
> none                    /proc                   proc    defaults        0 0
> none                    /dev/shm                tmpfs   defaults        0 0
> /dev/hdc2               /home                  ext3    
> defaults,usrquota,grpquota        1 0
> #/dev/sda2               swap                    swap    defaults        0 0
> /dev/hdc1                swap                    swap    defaults        0 0
> /dev/fd0                /mnt/floppy             auto    
> noauto,owner,kudzu 0 0
> 
> I can make this type of change? 
> Cheers, Clóvis
> 
> -- 
> Clovis Tristao - UNICAMP/Faculdade de Engenharia Agricola
> Administrador de Redes - Secao de Informatica (SINFO)
> E-mail: mailto:clovis at agr.unicamp.br http://www.agr.unicamp.br
> Fone(0xx19) 37881031-37881038 ou FAX(55xx19) 37881005/37881010
>