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In-Reply-To: <87bjzxcmoz.fsf@denver.mail-host-address-is-not-set> (Brennan Vincent's message of "Sun, 06 Oct 2024 15:47:56 +0100") References: <87bjzxcmoz.fsf@denver.mail-host-address-is-not-set> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Duodi 2 Brumaire an 233 de la =?utf-8?Q?R=C3=A9volut?= =?utf-8?Q?ion=2C?= jour du =?utf-8?Q?C=C3=A9leri?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Wed, 23 Oct 2024 21:57:12 +0200 Message-ID: <87from4mp3.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: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -3.77 X-Spam-Score: -3.77 X-Migadu-Queue-Id: 3277A79C90 X-Migadu-Scanner: mx13.migadu.com X-TUID: TvZiD11SBG1x Hi, "Brennan Vincent" skribis: > While trying to understand why I can't build Skia on aarch64 (see > https://issues.guix.gnu.org/issue/73659) , I tried looking at the logs > in CI. The Skia build is listed as "Scheduled": > http://ci.guix.gnu.org/build/5915482/details . But nothing is being > built on any of the aarch64 currently. So why has the build not started? Unfortunately, build machines can be reported as idle even though they=E2=80=99re building things. The reason for this is a design issue in Cuirass, which knows about =E2=80=9Cbuilds=E2=80=9D assigned to build machines, but not about derivati= ons actually being built (=E2=80=9Cbuilds=E2=80=9D here are the things you explicitly as= ked Cuirass to build; on , that includes most packages, but not all.) Often, before they can perform the =E2=80=9Cbuild=E2=80=9D they were given,= build machines must build other derivations that the given build depends on. Those are currently not shown at . It=E2=80=99s really a bug that should be fixed. There can also be other reasons why a build machine appears to be idle: because it=E2=80=99s (re)trying to substitute a derivation it was asked to build, because it=E2=80=99s running out of disk space, etc. Those should be less frequent though. Ludo=E2=80=99.