Re: Problems while booting a linux system on fast models based CortexA15

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Thanks Christopher for your reply. Please excuse my in-experience in this

These are literally the semihosting commands I use (I define them in a params file):

motherboard.smsc_91c111.enabled=1
motherboard.hostbridge.userNetworking=1
cluster.cpu0.semihosting-cmd_line=--kernel uImage --dtb host-a15.dtb -- earlyprintk console=ttyAMA0 mem=2048M root=/dev/nfs nfsroot=192.168.0.45:/srv/nfsroot/ rw ip=dhcp
motherboard.pl011_uart0.out_file=/home/mai/ARM/somefile
motherboard.pl011_uart0.unbuffered_output=1


and I defined the following in the /etc/exports file

/srv/nfsroot 192.168.0.0/255.255.0.0(rw,sync,no_root_squash,no_subtree_check,insecure)

To run the model shell i use the following:

model_shell cadi_system_Linux-Release-GCC-4.6.so -f params  /home/mai/ARM/boot-wrapper/linux-system-semi.axf

I read that there is another way to run this using an mmc image. Can you please advice.

Many Thanks
Mai


On Wed, May 8, 2013 at 6:29 PM, Christoffer Dall <cdall@xxxxxxxxxxxxxxx> wrote:
On Wed, May 8, 2013 at 12:07 AM, Mai Daftedar <mai.daftedar@xxxxxxxxx> wrote:
> Dear All,
>  I am facing a problem with booting a fully working Linux system on the Fast
> Models based Cortex-A15 simulation platform.
>
> I'm using the "KVM on ARM guide" to configure KVM on the ARM fast models
> with CortexA15, however I get the following kernel panic error  when I use
> NFS to boot the kernel.
>
> VFS: Unable to mount root fs via NFS, trying floppy.
>
> Noting that the kernel semi-hosting arguments used are as follows:
> kernel uImage --fdt host-a15.dtb -- earlyprintk console=ttyAMA0 mem=2048M
> root=/dev/nfs nfsroot=192.168.x.x:/srv/nfsroot/ rw ip=dhcp
>
> Where can I be going wrong?
>
Is that literally the command line you use?

You may want to change those x's then to the actual IP address of your
host machine :)

You also need to make sure that your host machine has NFS configured properly.

-Christoffer

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