[PATCH] [act] UBUNTU: SAUCE: ubuntu_kernel_selftests: disable memory-hotplug

[Krzysztof Kozlowski]

On 02/07/2021 16:14, Paolo Pisati wrote:
> On Wed, Jun 30, 2021 at 02:55:03PM +0800, Po-Hsu Lin wrote:
> 
>> As Krzysztof mentioned this test can be useful for testing memory
>> management,if this is just failing for newer release I think we can
>> disable it on H/I.
>> This can be achieved by either:
>> 1. Have a series check to determine if we need to run this.
>> 2. Or make a copy of the control file, name it as
>> control.ubuntu.bionic / control.ubuntu.focal and etc to host different
>> test plans in the ubuntu_kernel_selftest directory and the mem-hp test
>> can be removed from the control file, this control file will be used
>> by other releases.
>>
>> (off-topic, we might need to review our ubuntu_kernel_selftests test
>> plan as there are more tests have been added to the kselftest
>> directory)
>> Thoughts?
> 
> I noticed the issue only happens when the test tries to offline all the
> hotpluggable memory while injecting errors - the same test, without memory
> injection, is actually ratio limited (usually between 2% to 10% of all
> hotpluggable memory), so i sent this patch upstream:
> 
> https://lkml.org/lkml/2021/6/30/646
> 
> Would you consider it instead of turning off the test completely?

Yes, I think it is good idea.


Best regards,
Krzysztof