new kernel will not boot

[Steve West]

>>I have compiled a new kernel and it cannot find the filesystem to boot. 
>>How
>> do I specify in the kernel confg what disk to boot?
>>
>>Steve
>
> The obvious question is: did you make a new stanza for it in
> your /boot/grub/grub.conf?

Yes the grub is all set. It does not seem to matter if I use a LVM or not. 
Say's VFM: Cannot open root device "VolGroup00/LogVol00" or unknown block 
(0,0)

Steve