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Kernel resizing problem...

Hi,

I want to use 3MP (and 5MP) resolution on my DMVA2IPNC-MT5 camera. Since it needs huge memory, I reduced the kernel memory to 42M. I also reduced the file system size by deleting some unnecessary files. My kernel and filesystem sizes are respectively 1.7MB and 12.9MB. Since I reduce the linux size, I also changed the phys_start address from 0x83000000 to 0x82e00000. But when I boot with this configuration, I get following error:

Kernel panic - not syncing: VFS: unable to mount root fs on unknown block (1,0).

and the booting stops.  I am using following bootcmd and bootargs:

bootcmd 'nand read 0x82000000 0x700000 0xd00000;nboot 0x80700000 0 0x500000;bootm 0x80700000'

bootargs 'mem=42M console=ttyS1,115200n8 root=/dev/ram0 rw initrd=0x82000000, 14M ip=$(ipaddr) eth=$(ethaddr)'

 

I tried many filesystem sizes in bootargs (e.g., 14, 13,12,11), but to no avail. Can anyone please let me know what is the problem??

Regards,