Re: Smoke [blead] v5.27.10-119-g5f6af817ad FAIL(XM) os/390 25.00 (2964/)

On 04/17/2018 12:33 AM, Yaroslav Kuzmin wrote:
>=20
>=20
> =D0=92 =D0=9F=D0=BD., 16/04/2018 =D0=B2 22:05 -0600, Karl Williamson =D0=
=BF=D0=B8=D1=88=D0=B5=D1=82:
>> On 04/16/2018 05:28 AM, Yaroslav Kuzmin wrote:
>>> =D0=92 =D0=A7=D1=82., 12/04/2018 =D0=B2 23:02 -0600, Karl Williamson =
=D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>>>> On 04/12/2018 03:51 AM, Yaroslav Kuzmin wrote:
>>>>> Smoke log available at=20
>>>>> https://na01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2F=
drive.google.com%2Ffile%2Fd%2F1XHUAwq74zUMfS3Ps3WnMAvpSagcXFWxJ&data=3D02=
%7C01%7Cykuzmin%40rocketsoftware.com%7Cc0296a68ef694e27e64b08d5a0fbd140%7=
C79544c1eed224879a082b67a9a672aae%7C0%7C0%7C636591925776871608&sdata=3DzX=
ZiEaKzoIYbct%2Faq1sWv%2FB6jO%2FxN59gWPyllO6wNC0%3D&reserved=3D0=20
>>>>> Automated smoke report for branch blead 5.27.11 patch=20
>>>>> 5f6af817add6d2df3603e0e94b6eb27ba5fb3970 v5.27.10-119-g5f6af817ad=20
>>>>> RS12: 2964 (2964/) on os/390 - 25.00 using c99 version smoketime 2=20
>>>>> hours (average 1 hour) Summary: FAIL(XM)=20
>>>> The easiest way to find this is to run a bisection on the month or=20
>>>> so's commits that could have caused this. Does your machine have=20
>>>> enough throughput that it could do this?=20
>>> Yes.=C2=A0It can be done =D0=9C=D0=BE=D1=89=D0=BD=D0=BE=D1=81=D1=82=D1=
=8C =D0=B5=D1=81=D1=82=D1=8C, =D0=BD=D0=B5=D0=BC=D0=BD=D0=BE=D0=B3=D0=BE =
))=20
>>
>>
>> Actually, I'm not so sure.  I believe one needs git to do this.  I
>> looked at the git web site, and couldn't find any evidence that it was
>> supported on non-ASCII platforms.
>>
>=20
> So http://www.rocketsoftware.com/zos-open-source/tools
>=20
> But I am build perl in a separate maint-5.24-zos branch.

I don't understand if that means you can or cannot actually reasonably=20
bisect


>=20
>>>> And that means compiling perl at a given commit that's bad, and then=
=20
>>>> cleaning the directory, and running it again at the last known good=20
>>>> commit. Then running it yet again at the commit half way between=20
>>>> these two. Then repeating on the half of the original range where it=
=20
>>>> changed. We have a tool that will automatically do this. You set it=20
>>>> going, and let it run until it finds the offending commit. I haven't=
=20
>>>> brought this up before, because I thought your hardware was too slow=
=20
>>>> for this. But this instance would be relatively few commits, so that=
=20
>>>> it might be feasible. I would furnish you the correct incantation to=
=20
>>>> get it to work, after having tested it on my machine.=20
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