bug#48903: guix substitute: error: TLS error in procedure 'read_from_session_record_port': Error decoding the received TLS packet.

[Ludovic Courtès]

Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:

> Ludovic Courtès <ludo@gnu.org> writes:
>
>> Hi,
>>
>> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>>
>>> I've tried with the following modified version which runs multiple
>>> threads in parallel (to mimic --max-jobs=4 on the daemon), and I've yet
>>> to trigger it, although the hard drive is grinding heavily:
>>
>> Note that ‘--max-jobs=4’ leads guix-daemon to spawn 4 ‘guix substitute’
>> processes, which is not what the script is doing here.
>
> Oh!  I had overlooked that.  What the modified version did is create
> threads rather than processes, right?

Yes.

So I’m not sure how to better test this.  Perhaps you could try
introducing random delays in the loop (which could cause connections to
go stale), using different substitute URLs, things like that.

Thanks,
Ludo’.