kselftest:lost_exception_test failure with 4.11.0-rc5

[Michael Ellerman]

Madhavan Srinivasan <maddy at linux.vnet.ibm.com> writes:

> On Friday 07 April 2017 06:06 PM, Michael Ellerman wrote:
>> Sachin Sant <sachinp at linux.vnet.ibm.com> writes:
>>
>>> I have run into few instances where the lost_exception_test from
>>> powerpc kselftest fails with SIGABRT. Following o/p is against
>>> 4.11.0-rc5. The failure is intermittent.
>> What hardware are you on?
>>
>> How long does it take to run when it fails? I assume ~2 minutes?
>
> Started a run in power8 host (habanero) and it is more than 24hrs and
> havent failed yet. So this should be guest/VM scenario then?

Aha good point. I never tested this much (at all?) on VMs because it was
about verifying a workaround for a hardware bug.

So does it happen on both KVM and PowerVM or just one or the other?

cheers