Re: [Ltib] IMX27 : problem mounting nfs rootfs

[Stuart Hughes]

Hi Wajih,

It's most likely a configuration problem.  You need to check the kernel
the following set in its configuration:

CONFIG_IP_PNP=y
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y

Also make sure your bootloader setting are stable.

Seeing as you must have got this from Freescale, it's worth sending in a
question directly to Freescale support:

   * go to http://www.freescale.com
   * click on "Support / Technical support"
   * click on "Submit a Service Request"
   * register to get a user name and password.
   * login in with your user name and password
   * on the "New Service Request" page:
      * category = Technical Request
      * topic = Linux BSP
      * Click on "Continue"
   * fill out the information for the service request
   * click on the "Submit" button at the bottom of the page.

Regards, Stuart

On Tue, 2007-07-10 at 14:18 +0200, wajih wajih wrote:
> Hello everybody,
> 
> I am using imx27 board.
> I generated a kernel and a nfs rootfs with LTIB , I have a problem
> mounting the NFS roots on the board. The error log is below:
>  mxc_sdc_fb mxc_sdc_fb.0: fb0: DISP0 BG fb device registered successfully.
> 
> "
> IP-Config: Incomplete network configuration information.
> VFS: Cannot open root device "nfs" or unknown-block(0,255)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on 
> unknown-block(0,255)
> "
> I am not using dhcp for setting up eth0,  I manually configured eth0
> in rootfs option.
> 
> Can anybody help me on this issue please?
> 
> Merci and Thanks a lot in advance,
> 
> Wajih
> 
> 
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