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[51.222.13.224]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-467297d7041sm31799671cf.83.2024.12.07.05.45.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2024 05:45:42 -0800 (PST) From: Maxim Cournoyer In-Reply-To: (Greg Hogan's message of "Sun, 3 Nov 2024 18:06:36 -0500") References: Date: Sat, 07 Dec 2024 22:45:32 +0900 Message-ID: <87msh7k3nn.fsf@gmail.com> 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-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Queue-Id: 13BA05FAFC X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -8.65 X-Spam-Score: -8.65 X-TUID: nSjNEUIgCkv2 Hi, Greg Hogan writes: > On Sun, Nov 3, 2024 at 2:49=E2=80=AFAM Efraim Flashner wrote: >> >> On Thu, Oct 31, 2024 at 03:13:40PM -0400, Greg Hogan wrote: >> > derivation: 83qbfg0xxsfr5lsc81m5a770c7c7b55k-rust-1.54.0.drv >> > commit: 6e50b0c56a8cc767bd3acb26638f78c450bde718 >> > >> > Build log attached, tail portion below. Has consistently failed to >> > build unless cores=3D1. >> > >> > The package definition has "#:parallel-build? ,(target-x86-64?)" but >> > the noted build issue ("race conditions between various dependent >> > crates") is also seen on x86-64. >> > >> > It is only the 1.54 build with mrustc that fails in this manner, the >> > following rust packages in the chain build fine with parallelism >> > enabled. >> > >> > Greg >> >> I see the note there says something about ppc64le having a race >> condition too. My machine has "only" 24 cores, so I didn't run into >> anything, but I see you're building with 32 cores. IIRC the ppc64le >> machine was building with at least 32 cores also. >> >> Can you try building rust-1.54 with only 24 cores and see if that works >> for you? If it does then I think we can switch the (job-count) variable >> to (min 24 (parallel-job-count)) > > Log attached from what looks to be a similar failure on an 8 core instanc= e. I encountered the same problem on a 32 "cores" (aka threads) machine. I've reported it here [0]. [0] https://github.com/thepowersgang/mrustc/issues/343 --=20 Thanks, Maxim