From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#26705: guix publish daemon on Hydra became dysfunctional;
	needed restart
Date: Wed, 09 Jan 2019 21:47:16 +0100
Message-ID: <87zhs91ru3.fsf@gnu.org>
References: <877f24xiv9.fsf@netris.org> <878tmflix2.fsf@gnu.org>
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In-Reply-To: <878tmflix2.fsf@gnu.org> ("Ludovic
	\=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\=
	\=\?utf-8\?Q\?s\?\= message of "Tue, 02 May 2017 11:14:33 +0200")
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To: Mark H Weaver <mhw@netris.org>
Cc: 26705@debbugs.gnu.org

ludo@gnu.org (Ludovic Court=C3=A8s) skribis:

> Mark H Weaver <mhw@netris.org> skribis:
>
>> While trying to update my GuixSD system in the last hour, I found that
>> every attempt by the substituter to download NARs resulted in a 500
>> "Internal Server Error":

[...]

>> GET /74ch6nvjfkj3i56nygwijnaghlpi01d4.narinfo
>> In guix/scripts/publish.scm:
>>     393:2  2 (render-narinfo/cached #<build-daemon 256.96 211f7c0> ...)
>> In guix/store.scm:
>>     663:9  1 (query-path-from-hash-part #<build-daemon 256.96 2...> #)
>> In unknown file:
>>            0 (put-bytevector #<input-output: socket 12> #vu8(# ...) ...)
>> ERROR: In procedure fport_write: Broken pipe
>> GET /guix/nar/qz4mg7sid6avdav158lhr6wziqswpjmx-gnome-calendar-3.22.2.tar=
.xz
>> In guix/scripts/publish.scm:
>>     491:8  2 (render-nar #<build-daemon 256.96 211f7c0> #<<requ...> ...)
>> In guix/store.scm:
>>     648:0  1 (valid-path? #<build-daemon 256.96 211f7c0> "/gnu/sto...")
>> In unknown file:
>>            0 (put-bytevector #<input-output: socket 12> #vu8(1 ...) ...)
>> ERROR: In procedure fport_write: Broken pipe
>
> Ooh, the connection to the daemon was broken, hence this error.
>
> Currently =E2=80=98guix publish=E2=80=99 assumes the connection opened in=
 the
> =E2=80=98guix-publish=E2=80=99 procedure remains valid all along.  That=
=E2=80=99s normally the
> case unless (1) the daemon is restarted, or (2) there=E2=80=99s a protoco=
l error
> somewhere that leads the daemon to close the connection.

For now I=E2=80=99m closing this bug as =E2=80=9Cwontfix=E2=80=9D because I=
=E2=80=99ve never seen any
occurrence of #2, and because #1 cannot happen on GuixSD (if =E2=80=98guix-=
daemon=E2=80=99
is restarted, the shepherd will also restart =E2=80=98guix-publish=E2=80=99=
.)

Ludo=E2=80=99.