Re: [Xen-users] Hypervisor trap when dumping register

[Julien Grall <julien.grall@xxxxxxx>]

On 24/05/2016 05:00, Chenxiao Zhao wrote:
> Hi
Hello,

> I'm playing xen on Hikey board which has octa-core with Cortex-A53. When
> I am trying to dump core registers on xen console (press 'd'), I got
> Hypervisor trap error.
>
> Anyone can explain why it happen and how to fix it?
>
> Thanks.
>
> (XEN) 'd' pressed -> dumping registers
> (XEN)
> (XEN) *** Dumping CPU0 host state: ***
> (XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
> (XEN) CPU:    0
> (XEN) PC:     0000000000245ed8Hypervisor Trap. HSR=0x96000007 EC=0x25
EC=0x25 (see D7.2.27 in ARM DDI 0487A.i) is a data abort from the 
hypervisor. Can you please paste all the logs, give the rc you are using...
Regards,

--
Julien Grall

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