Re: [Minios-devel] [Xen-devel] Xen-4.10 Domain-0 crashes at bootup

[Ajay Garg <ajaygargnsit@xxxxxxxxx>]

Hi All.

As suggested by Michael. I compiled the kernel as per
https://lkml.org/lkml/2018/2/23/59, containing the patch
https://lists.xenproject.org/archives/html/xen-devel/2018-02/msg00045.html.

Upon installing this fresh kernel, the machine booted fine with Xen
enabled (just needed an additional "sudo apt-get install libyajl-dev"
and another reboot to get the proper listing of "Domain-0".

So, at least from my side, this thread can be marked solved/closed.


Thanks and Regards,
Ajay

On Wed, Apr 4, 2018 at 8:45 PM, Juergen Gross <jgross@xxxxxxxx> wrote:
> On 04/04/18 17:00, M A Young wrote:
>> On Wed, 4 Apr 2018, Ajay Garg wrote:
>>
>>> Thanks Michael for the reply.
>>>
>>> I want to give this patch a try, as the symptoms look identical.
>>> However, I see no xen-head.S when I clone the repo from
>>> git://xenbits.xen.org/xen.git
>>>
>>> What am I missing?
>>
>> The patch is for the xen code in the kernel. It was accepted in the kernel
>> upstream (in 4.15.5 and probably backported to other maintained kernels)
>> so you probably just need a kernel less than a month old, but as has
>> already been said, the kernel may not be the problem.
>
> And the symptoms are completely different (well, at least for me).
>
> Ajay's crash is due to an illegal instruction, so probably a BUG().
>
> The patch above fixes an early page fault in the kernel.
>
>
> Juergen



-- 
Regards,
Ajay

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