Re: [Xen-devel] Problem bringing up Xen 4.4 on omap5432

[Julien Grall <julien.grall@xxxxxxxxxx>]

(Adding Chen Baozi)

Hello,

On 05/14/2014 03:49 AM, bibin c wrote:
> Hello,
> 
> I have been trying to bring up xen 4.4 with Linux DOM0 on omap5432, but
>  have been facing
> issue with the same.
> 
> I have followed the instructions as mentioned in xen wiki:
> http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/OMAP5432_uEVM

This wiki page is using Xen unstable, I'm not sure what is the status of
Xen 4.4 on the OMAP. Chen may have more input on it.

> Linux kernel 3.12 was used with dtb patched as per the wiki.
> 
> With debug enabled, i could see that DOM0 boot fails with Data abort
> (Unexpected trap),

The fail comes from Xen during DOM0 creation not DOM0 itself.

> (XEN) Xen call trace:
> (XEN)    [<0024cb04>] gic_route_irq_to_guest+0x144/0x16c (PC)
> (XEN)    [<0024bb14>] gic_cpu_mask+0x88/0xc0 (LR)
> (XEN)    [<0024a8ec>] handle_node+0x8d4/0xe70
> (XEN)    [<0024b384>] construct_dom0+0x4fc/0x9a8
> (XEN)    [<00278380>] start_xen+0xba0/0xde4
> (XEN)    [<0020043c>] paging+0x84/0xc8

Can you give a try on Xen unstable to see if you have the same issue?

Regards,

-- 
Julien Grall

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