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Sun, 15 Oct 2023 16:23:01 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#54447: cuirass: missing derivation error Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Sun, 15 Oct 2023 20:23:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54447 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 54447@debbugs.gnu.org Received: via spool by 54447-submit@debbugs.gnu.org id=B54447.169740135723689 (code B ref 54447); Sun, 15 Oct 2023 20:23:01 +0000 Received: (at 54447) by debbugs.gnu.org; 15 Oct 2023 20:22:37 +0000 Received: from localhost ([127.0.0.1]:54201 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qs7dF-0006A1-9q for submit@debbugs.gnu.org; Sun, 15 Oct 2023 16:22:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50234) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qs7dB-00069j-BP for 54447@debbugs.gnu.org; Sun, 15 Oct 2023 16:22:35 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qs7ch-0001P2-GE for 54447@debbugs.gnu.org; Sun, 15 Oct 2023 16:22:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=YteLRaEBQEn+MZu/DsTP2wCjUkRFz0YxHeQMyOyOBRM=; b=NyBOFbCk3Ju2tDG9Z0tv fxmtix78KjF8AzmcK5hDDDoV3uh+UmP6db+6g/TJfTdmgC006kr7jcr3b8ON9XKSf2eXZKhhDY2Bv ib8C+SnmQrwceaWWZlpEYwlk9QGfQNHzkWoAr5H0eEdYG7492Uk3Kb0lyl15aQxpREeIGQMSf1DF1 jMr7J5roLlDkekLjAgXDYYdi8mL6iKs9Xcy2EaC16pLW4Qlj97w5EzfdHubhxWIRkbNylWLE9A75j zFN4sx2TeV3yPwvYeYGUWBqWDIcBY0xlA4euS5G2CyRh+xxdo28xBE4/np7xVkEe7EHFo2i7UTffv YTizxsdRo7TlMA==; From: Ludovic =?UTF-8?Q?Court=C3=A8s?= In-Reply-To: <87a63v5xwd.fsf@gnu.org> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Sat, 10 Dec 2022 11:57:38 +0100") References: <877d8r4etz.fsf@gnu.org> <87a63v5xwd.fsf@gnu.org> Date: Sun, 15 Oct 2023 22:21:58 +0200 Message-ID: <87pm1f8wm1.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Scanner: mx1.migadu.com X-Migadu-Spam-Score: -6.89 X-Spam-Score: -6.89 X-Migadu-Queue-Id: 877D86A2B2 X-TUID: GqVtQAkp16H1 Hi! Ludovic Court=C3=A8s skribis: > Mathieu Othacehe skribis: > >> A lot of builds, among them ~20 system tests[1], are failing with: >> "cannot build missing derivation >> ?/gnu/store/hs6kp1lqgymhyp3jndc0dsp0pn4psgv0-gui-installed-desktop-os-en= crypted.drv?" >> errors. >> >> Those derivations are present on the CI head node. This means that the >> errors occur during substitution. This is most likely caused by some >> issue with the publish server, because: >> >> - The publish server serves a 404 error. We should get rid once and for >> all of this 404 thing, pushing something like: >> https://issues.guix.gnu.org/50040. >> >> or >> >> - The publish server is not fast enough and hits an Nginx timeout that >> closes the communication. > > Also being discussed at . I got confirmation that the cache-bypass-threshold hypothesis holds, at least for system tests. Namely, looking at , which ends like this: --8<---------------cut here---------------start------------->8--- @ substituter-succeeded /gnu/store/qh2876i5l1wvxgwhg9fbl9zmb3px3n2m-gc-root= s.drv fetching path `/gnu/store/fh9dnmrfsz429pwqmvsjnk0snlm959kc-xdg-mime-databas= e-builder'... @ substituter-started /gnu/store/fh9dnmrfsz429pwqmvsjnk0snlm959kc-xdg-mime-= database-builder substitute Downloading http://141.80.167.131/nar/lzip/fh9dnmrfsz429pwqmvsjnk0snlm959kc= -xdg-mime-database-builder... .=1B[K xdg-mime-database-builder 3.6MiB/s 00:00 | 3KiB t= ransferred.=1B[K xdg-mime-database-builder 1.9MiB/s 00:0= 0 | 3KiB transferred @ substituter-succeeded /gnu/store/fh9dnmrfsz429pwqmvsjnk0snlm959kc-xdg-mim= e-database-builder cannot build missing derivation =E2=80=98/gnu/store/4r1wij3bzj9zv75ds82a93j= l7bcman2x-installed-extlinux-os.drv=E2=80=99 --8<---------------cut here---------------end--------------->8--- Looking at the nginx and =E2=80=98guix publish=E2=80=99 logs, I found that = the missing substitute is not that of 4r1wij3bzj9zv75ds82a93jl7bcman2x (the .drv itself) but rather that of a dependency of that .drv: [14/Oct/2023:23:22:09 +0200] "GET /wqqzcxrhbnv0nzg64iiiqd5grr4vk2zg.narin= fo HTTP/1.1" 404 58 "-" "GNU Guile" That item=E2=80=99s size is above the cache bypass threshold of 100=C2=A0Mi= B as currently configured on berlin: --8<---------------cut here---------------start------------->8--- $ du -hs /gnu/store/wqqzcxrhbnv0nzg64iiiqd5grr4vk2zg-guix-5a6b1a5 124M /gnu/store/wqqzcxrhbnv0nzg64iiiqd5grr4vk2zg-guix-5a6b1a5 --8<---------------cut here---------------end--------------->8--- The immediate fix/workaround is to raise that threshold. A better solution would be for system tests to depend on a fixed-output derivation for the Guix source instead of the =E2=80=9Csource=E2=80=9D abov= e (I use =E2=80=9Csource=E2=80=9D as it is used in the context of ). Thanks, Ludo=E2=80=99.