[ELDK] cramfs issue for hotplugged devices

[Batsayan Das]

I was referring the following url, and is able boot my box with cramfs 
image. 

http://www.denx.de/wiki/view/DULG/RootFileSystemOnACramfsFileSystem

I facing difficulty in the bellow mentioned test cases
The file system of the box does not have the file "etc/resolv.conf ", when 
I run dhcp client, it tries to create the file, and fails to update 
etc/resolv.conf. 
The same type of problem occurs when the USB modem tries to create 
/dev/ttyUSB0. 

The above url says "in the root filesystem symbolic links are used to 
point to their new locations" , my question is how a symbolic link to be 
created when the source of the symbolic link is not present in the file 
system

How cramfs deal with hot plugged device entries in /dev directory? 

If it can't , then what is the general strategy to follow?

Regards,
Batsayan Das
Tata Consultancy Services
Mailto: batsayan.das at tcs.com
Website: http://www.tcs.com
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