Can not mount root on mtd block

Aras Vaichas arasv at
Tue Mar 15 23:56:21 EST 2005

mike wrote:
> Dear all
>    I am using kernel 2.6.10 with patched cvs mtd and my flash mapping 
> driver. I also add debug msg on mount_block_root. The return value is 
> ENXIO. I am really get mess , because the cfi proded the flash 
> successfully, but final result is "no such a device". Does anyone have 
> ideas on this?
... SNIP ...
> *VFS: Tried fs_name = <cramfs> err = -6*
> VFS: Cannot open root device "mtdblock2" or unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on 
> unknown-block(0,0)

What is your kernel cmdline? The error says that it doesn't understand your 
"root=" option.


Aras Vaichas

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