On 06/25/2017 04:42 PM, Anthony Fok wrote:
>>> Or, better yet, is there a way to find out what went wrong on
>>> zemlinsky?  Is it an older machine with an older CPU that does not
>>> support some newer CPU instructions?  (Sorry, I know nothing about
>>> s390x and I am likely completely wrong.)
>> That is actually the problem. On s390x golang requires a higher ISA than
>> the one Debian targets. I have started to patch golang-1.7 to avoid these
>> new instructions a few months ago, but upstream is not interested by
>> supporting older CPUs and keep adding more usage of new instructions.
> Thank you for your detailed explanation, and thank you for your
> efforts in trying to solve it.
> But yeah, I guess golang users on s390x would just have to accept the
> fact that they need a newer CPU.  Thankfully, the majority of Debian's
> s390x machines (buildd and porterbox), 3 out of 4, support the newer
> instructions.  :-)

What's the current ISA requirement for golang? zEC12? z13?

I suppose popcon (as misleading as it is) likely doesn't have h/w stats?
(And I know that the current count of actual submissions is... 12.)

Kind regards and thanks
Philipp Kern

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