bug#63666: sporadic “guix substitute: error: connect*: Connection timed out”

["Ludovic Courtès" <ludo@gnu.org>]

Hi,

Simon Tournier <zimon.toutoune@gmail.com> skribis:

> On Tue, 23 May 2023 at 17:14, Simon Tournier <zimon.toutoune@gmail.com> wrote:
>
>> The most recent failure uses 3f59fd6 (pulled on May 23) with:
>>
>>         $ /root/.config/guix/current/bin/guix-daemon --version
>>         guix-daemon (GNU Guix) 1.3.0-31.3170843
>
> Just in case, using recent guix-daemon as 3f59fd6, I see:
>
>  gumbo-parser-0.10.1  149KiB                                                                                                                                                                       555KiB/s 00:00 ▕██████████████████▏ 100.0%
>  cups-minimal-2.4.2  4.9MiB                                                                                                                                                                        533KiB/s 00:03 ▕█████▎            ▏  29.2%guix substitute: warning: while fetching https://ci.guix.gnu.org/nar/lzip/mcdi162f45smrgvjmm3vldx2i1xhz0x5-iso-codes-4.5.0: server is somewhat slow
> guix substitute: warning: try `--no-substitutes' if the problem persists
> retrying download of '/gnu/store/mcdi162f45smrgvjmm3vldx2i1xhz0x5-iso-codes-4.5.0' with other substitute URLs...

Good, that’s the expected behavior.  (Of course that may still fail if
there are no other valid substitute URLs.)

> And I do not know which other substitute URLs are since I pass the
> option ’--substitute-urls=https://ci.guix.gnu.org’; both to guix-daemon
> and to “guix shell”.
>
> Last, I start to see the progress bar, then something happens and I only
> see this:
>
> substitution of /gnu/store/6r4brvchlkbbqx2n2iz2p6i2ki78zfp2-kexec-tools-2.0.23 complete
>
> substitution of /gnu/store/rfx142plc19c12mcfk86a8ff0c7bpch0-lame-3.100 complete
>
> substitution of /gnu/store/65rbvsb9fyx74ff1sjnar1bp8qif7k07-libaacs-0.11.0 complete
>
> No more progress bars.

That’s because you have max-jobs > 1: progress bars aren’t displayed
when several jobs are running in parallel.

Thanks for testing!

Ludo’.