On 7/11/19 4:13 AM, Stephen John Smoogen wrote:
> On Thu, 11 Jul 2019 at 06:47, Philip Kovacs via devel <
> devel@lists.fedoraproject.org> wrote:
> 
>> It's likely the big endian emulation running on little endian machines
>> which is killing performance.
>> I also have some time sensitive package tests failing on s390x.
>>
> 
> I am a bit confused by what you are saying. Could you restate?  Compilation
> on s390x happens on native hardware. But are you meaning that the erlang VM
> is little endian and the big-endian s390x is having to emulate it?
> 
> We have been having problems with the s390x systems lately due to multiple
> reasons outside of infrastructure's control. Kevin Fenzi has been working
> on trying to get a replacement set of builders in place over the last week
> to try and deal with this. I do not know if your build got stuck on a
> builder which was transitioning or something similar.

So, yeah, part of this is my fault. :(

If you look at
https://koji.fedoraproject.org/koji/taskinfo?taskID=36131065
you will note that there are 4 buildroots listed. That means the build
was restarted 4 times. Likely this happened when I was
installing/updating/shuffling builders around there. Sorry about that.

That said, it still should have finished long ago.

The current state of s390x builders:

buildvm-s390x-01 to 14 are all the existing Z/VM instances we have had
for a long while. Likely we are going to keep them for a while until we
are sure the kvm instances are reliable and happy.

buildvm-s390x-15 to 24 are new kvm instances. They have a higher
'weight' than the others and from my testing are much faster.

Your build seems perhaps stuck in tests?

I've freed it (again) and it's now running on buildvm-s390x-22 (a kvm
instance). Lets see how it does there. I will in the meantime
update/reboot the Z/VM instances.

kevin

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