RFR: 8221894: Add comments for docker tests in the test doc

[Erik Joelsson]

Looks good to me.

/Erik

On 2019-04-08 00:48, Jie Fu wrote:
> Hi David and Erik,
>
> Thank you for your review and very nice suggestions.
> Here is the latest version: 
> http://cr.openjdk.java.net/~jiefu/8221894/webrev.03/
> Please see comments inline and review.
> Thanks a lot.
>
>> I have two comments on the proposed text:
>>
>> 1. I think "oraclelinux" should be "Oracle Linux".
> Done.
>>
>> 2. I don't understand the example as I don't know why Ubuntu 16.04 
>> would be considered something "not newer than" OL 7.6. I'm guessing 
>> this relates to the kernel version in each ?? If so perhaps we should 
>> spell out what the relevant kernel version is?
> Good question. It relates to the glibc version in each.
> Systems with glibc versions not compatible with the one used in the 
> default docker image (e.g., Oracle Linux 7.6 for x86) will fail with 
> default test parameters.
> Done.
>
> Best regards,
> Jie
>