Re: [Embedded-pv-devel] XEN_VIRT_START and kernel image

[RAMYA RAVICHANDRAN <ramya.r@xxxxxxxxxxxxxxxxxxx>]

Hi Iurii,

Please find the answers inline.

Warm Regards,

Ramya

On Tue, Nov 14, 2017 at 6:10 PM, Iurii Mykhalskyi <iurii.mykhalskyi@xxxxxxxxxxxxxxx> wrote:

Hi Ramya,

I'm worked with similar setup and didn't faced any similar issues.

Can you list changes that was made for u-boot?

>> Used latest TI Processor SDK (http://processors.wiki.ti.com/index.php/Category:Processor_SDK_Linux_Automotive)

Have you applied any patches on xen?

>> Tried both applying and not applying

And which version of TI SDK are you using?

>> Used latest TI Processor SDK (http://processors.wiki.ti.com/index.php/Category:Processor_SDK_Linux_Automotive) 

With the best regards,

Iurii Mykhalskyi

On Tue, Nov 14, 2017 at 9:58 AM, RAMYA RAVICHANDRAN <ramya.r@xxxxxxxxxxxxxxxxxxx> wrote:

Hi Julien,

Thanks for your mail.
We have used the latest Xen (Xen 4.9)now, and still the problem exists.

We are using Uboot 2016.05.

I am trying to run Xen 4.9 on DRA7XX EVM.
Early printk is enabled and there is a problem when "mov pc,r1" (line 358) after "Turning paging on" in arch/arm/arm32/head.S. There are no error prints before the same.

It will be really great help, if  anyone could throw light on the following:

1. How Xen knows XEN_VIRT_START?

2. If CONFIG variables for Xen,like CONFIG_XEN_DOM,CONFIG_XEN etc. are not set in kernel, then also Xen prompt should be available, I believe.

3. The xen device tree entries like xen-bootargs,dom0 bootargs are compulsory?

The Xen image loads and get stuck after "Turning paging on" print appears.

Expecting your valuable help,

Ramya

On Mon, Nov 13, 2017 at 6:12 PM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:

Hello,

Please avoid top-posting.

On 13 November 2017 at 12:26, RAMYA RAVICHANDRAN
<ramya.r@xxxxxxxxxxxxxxxxxxx> wrote:
> Hi Julien,
>
> We are using Xen 4.6 and also tried with Xen 4.5.

I already said it a couple of times that you should use a recent Xen
version for new bring-up. The reason I keep asking for testing new
version is your bug may have been fixed. I am not going to help until
you check whether it boot or not on your platform.

Cheers,

--
Julien Grall

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Iurii Mykhalskyi | Lead Software Engineer
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