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Tue, 12 Jan 2021 17:09:09 -0500 (EST) Date: Tue, 12 Jan 2021 17:09:08 -0500 From: Leo Famulari Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=66.111.4.27; envelope-from=leo@famulari.name; helo=out3-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -1.36 Authentication-Results: aspmx1.migadu.com; dkim=fail (headers rsa verify failed) header.d=famulari.name header.s=mesmtp header.b=ok8md zN; dkim=fail (headers rsa verify failed) header.d=messagingengine.com header.s=fm1 header.b=dM4fMHjq; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: F20B69402B1 X-Spam-Score: -1.36 X-Migadu-Scanner: scn1.migadu.com X-TUID: kykk0n1uSCCZ Recently, many people on the #guix IRC channel reported frequent non-deterministic failures of any operation involving substitution, like this: ------ $ ./pre-inst-env guix build --no-grafts poezio mpdris2 sonata beets-bandcamp beets substitute: guix build: error: got unexpected path `Backtrace:' from substituter ------ `guix describe` reports commit b4384e61165623b16b77b8cab16c81423c6853ed for both my user's Guix and the guix-dameon.