Instability likely related to new pmap on Cubieboard A10

[Svatopluk Kraus]

On Thu, Aug 20, 2015 at 8:54 PM, Dmitry Marakasov <amdmi3 at amdmi3.ru> wrote:
> * Svatopluk Kraus (onwahe at gmail.com) wrote:
>
>> I have not noticed until now that you are running Cortex A8. We have
>> an open issue on BBB which is A8 too. Can you try to disable promotion
>> - i.e. edit the following line in pmap-v6-new.c:
>>
>> static int sp_enabled = 1;
>>
>> and set the variable to zero.
>
> It doesn't help:
>
> https://people.freebsd.org/~amdmi3/pmap2.log
>
>> If it helps, set it again to 1 and try attached patch, please.
>>
>> If neither the first nor the seconf attemp will work, can you send me
>> output like before but from another panic. I would like to see
>> diference.
>
> Just for the case, with patch and sp_enabled back to 1:
>
> https://people.freebsd.org/~amdmi3/pmap3.log
>

Thanks. Meantime, I tried most recent HEAD on pandaboard and
beaglebone black and no problem there. Do you have enabled INVARIANTS
and INVARIANT_SUPPORT in your config? If not, can you try it with
them?

Svata