GNU bug report logs - #56005
"write_wait_fd: unimplemented" error from 'guix substitute'

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Message #24 received at control <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maxime.devos <at> student.kuleuven.be>
To: "control <at> debbugs.gnu.org" <control <at> debbugs.gnu.org>,
 "56319 <at> debbugs.gnu.org" <56319 <at> debbugs.gnu.org>
Subject: Re: 'guix system' failure due to substitute being temporarily 404 ->
 Implement a retry attempts?
Date: Fri, 1 Jul 2022 14:22:29 +0000

merge 56005 56320 56319
thanks

This doesn't look Guix System-specific to me and looks to have the same issue (i.e., something about write_wait_fd) as
<https://issues.guix.gnu.org/56005>, so merging into 56005.

Also, is the substitute server being down a hypothesis for the error but not actually known to actually have hapend, or something you have noticed the substitute server being down via other methods and believe it to be a plausible hypothesis for the error cause?

In all cases, I believe write_wait_fd: unimplemented to be a bug that needs to be investigated for the root cause and fixed, not something to accumulate work-arounds for and ignore by automatic retries.

Greetings,
Maxime.

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