Re: core-updates-frozen on powerpc64le-linux

["Ludovic Courtès" <ludo@gnu.org>]

Hi!

Thiago Jung Bauermann <bauermann@kolabnow.com> skribis:

> Em quarta-feira, 4 de agosto de 2021, às 17:48:59 -03, Ludovic Courtès 
> escreveu:
>> Thiago Jung Bauermann <bauermann@kolabnow.com> skribis:

[...]

>> Note that currently ci.guix only does emulated powerpc64le-linux because
>> the only POWER9 machine we currently have access to (lent by OSUOSL) is
>> not running ‘cuirass-remote-worker’.
>
> Ah, I didn’t realise that. I started out my investigations of powerpc64le-
> linux CI failures using emulation on my laptop (both with qemu-user and 
> qemu-system), and found it to be a bit unreliable. I saw some failures in 
> packages’ testsuite results which don’t happen on real hardware. There was 
> one in the glib package in particular which happened on the master branch 
> and prevented a `guix pull` command from succeeding. This is what prompted 
> me to request the Minicloud VM instance.
>
>> It’s a foreign distro (Debian) so
>> setting up these things can be a bit tedious.  If you or anyone would
>> like to help with this, we can discuss it!
>
> I’d be glad to help set that up and maintain the OSUOSL machine!

Excellent!  I think Mathieu, Tobias, and guix-sysadmin@gnu.org should be
able to get you started.  Could you send us an account name and SSH
public key?

>> (bordeaux.guix does have a POWER9 build machine behind, but it’s not
>> building ‘core-updates-frozen’ currently.)
>
> Nice! I’d be glad to help with that machine as well if there’s anything to 
> do on that front.

I think it’s running fine, using the Guix Build Coordinator instead of
Cuirass, set up by Christopher Baines (this POWER9 machine is Chris’s,
currently).

>> > So next step for me is to look into the build failures above. I’ll
>> > semi-randomly start with ‘gmp-boot’ and see what I can find out.
>> 
>> Neat, thank you!
>
> You’re welcome. Patches on issues 49880, 49881 and 49882. :-)

Alrighty, I’ll take a look!

Thanks,
Ludo’.