From unknown Sun Aug 10 07:40:30 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#56709 <56709@debbugs.gnu.org> To: bug#56709 <56709@debbugs.gnu.org> Subject: Status: Channel opening failure with guix deploy Reply-To: bug#56709 <56709@debbugs.gnu.org> Date: Sun, 10 Aug 2025 14:40:30 +0000 retitle 56709 Channel opening failure with guix deploy reassign 56709 guix submitter 56709 Aleksandr Vityazev severity 56709 important thanks From debbugs-submit-bounces@debbugs.gnu.org Fri Jul 22 15:26:56 2022 Received: (at submit) by debbugs.gnu.org; 22 Jul 2022 19:26:56 +0000 Received: from localhost ([127.0.0.1]:42455 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oEyIa-0001JG-95 for submit@debbugs.gnu.org; Fri, 22 Jul 2022 15:26:56 -0400 Received: from lists.gnu.org ([209.51.188.17]:33980) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oEyIX-0001J6-Qg for submit@debbugs.gnu.org; Fri, 22 Jul 2022 15:26:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44390) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEyIX-0000wY-Ju for bug-guix@gnu.org; Fri, 22 Jul 2022 15:26:53 -0400 Received: from mout01.posteo.de ([185.67.36.65]:44011) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEyIV-0004AK-1a for bug-guix@gnu.org; Fri, 22 Jul 2022 15:26:53 -0400 Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 32B10240026 for ; Fri, 22 Jul 2022 21:26:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.org; s=2017; t=1658518007; bh=zXgPMZ9Xxa5WiQJgNe8DUhjdLG8cqu7KQscnBoty9zg=; h=From:To:Subject:Date:From; b=naTdwQzf6ypRkgKMlHn0HiWQhKpXEufe3Q7nKEiSzangwB+Li7fg5FEzV9EBEACOL +SWjmeoKJt5LI3BtLNIkUpwvFFIx7hoCx68EL59tC4sc3yrA1QwJ1LWGd7esvayi5Y B5db07DCo8zTTSGS++BU924vRxQ5SNe76FZIk+KPepXdaIjCF9i6nHe5HtH7iuakBb D+T8vtiLHpNn/zzOm0/bQqEDaAWaOg91ziE7bpg9cpw1zgjI3X5DL+Hgh/wftqZE8K woyzgYzTWhsBdMWppoNZbHdN4PjfC2CwxrqPsrAG2LkpCiqcCOdk2nlKy75cYT48tD DYlYQpap01OSA== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4LqKF22hFbz6tm6 for ; Fri, 22 Jul 2022 21:26:44 +0200 (CEST) From: Aleksandr Vityazev To: "bug-guix" Subject: Channel opening failure with guix deploy Date: Fri, 22 Jul 2022 19:26:41 +0000 Message-ID: <87fsituexa.fsf@posteo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=185.67.36.65; envelope-from=avityazev@posteo.org; helo=mout01.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Hi, I use 'guix deploy' to deploy on a machine on the local network. There is no problem using ssh as standard, but 'guix deploy' fails. Machine configuration: https://paste.sr.ht/~akagi/04c11305b19b1b25d0e61a88f6892057dee01b67 So far, I do not understand how to approach this problem, I would be very grateful for any advice. Log: -*- mode: compilation; default-directory: "~/dotfiles/" -*- Compilation started at Fri Jul 22 19:46:59 make deploy guix deploy magi/system/remote/deploy.scm The following 1 machine will be deployed: home-server guix deploy: deploying to home-server... guix deploy: sending 0 store items (0 MiB) to '192.168.1.103'... guix deploy: sending 0 store items (0 MiB) to '192.168.1.103'... substitute: updating substitutes from 'http://ci.guix.trop.in'... 100.0% substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 10= 0.0% substitute: updating substitutes from 'https://substitutes.nonguix.org'... = 100.0% The following derivations will be built: /gnu/store/fjychria4fq95iy5m1zasxnirk0y6v48-remote-exp.scm.drv /gnu/store/nlx7rql98r2vmcp3vsh8iyza84idygrs-switch-to-system.scm.drv /gnu/store/hnrjnbqgzn664zqs2wvcsvm8ld5y0vf3-system.drv /gnu/store/4p6q4l0ya16z0vahfp6i52r1gps82642-profile.drv /gnu/store/835gjdjaclznrpymk8f5ir6c259pg4xy-provenance.drv building /gnu/store/835gjdjaclznrpymk8f5ir6c259pg4xy-provenance.drv... building CA certificate bundle... listing Emacs sub-directories... building fonts directory... building directory of Info manuals... building database for manual pages... building profile with 51 packages... building /gnu/store/hnrjnbqgzn664zqs2wvcsvm8ld5y0vf3-system.drv... building /gnu/store/nlx7rql98r2vmcp3vsh8iyza84idygrs-switch-to-system.scm.d= rv... building /gnu/store/fjychria4fq95iy5m1zasxnirk0y6v48-remote-exp.scm.drv... guix deploy: sending 11 store items (2 MiB) to '192.168.1.103'... guix deploy: sending 0 store items (0 MiB) to '192.168.1.103'... The following derivations will be built: /gnu/store/p6hxcnb7drm1yhcsmhicziv1mmad1p7y-remote-exp.scm.drv /gnu/store/z2p4a8zq70vqcx9lk7mn0rravy6nw46r-upgrade-shepherd-services.scm= .drv building /gnu/store/z2p4a8zq70vqcx9lk7mn0rravy6nw46r-upgrade-shepherd-servi= ces.scm.drv... building /gnu/store/p6hxcnb7drm1yhcsmhicziv1mmad1p7y-remote-exp.scm.drv... ;;; [2022/07/22 19:47:46.682720, 0] [GSSH ERROR] Channel opening failure: c= hannel 63 error (2) open failed: # Backtrace: In guix/store.scm: 1380:11 19 (map/accumulate-builds # =E2=80=A6) 1298:8 18 (call-with-build-handler # =E2=80=A6) In ice-9/boot-9.scm: 1752:10 17 (with-exception-handler _ _ #:unwind? _ # _) In guix/scripts/deploy.scm: 159:6 16 (_) In guix/store.scm: 2168:25 15 (run-with-store # =E2=80= =A6) In gnu/machine/ssh.scm: 498:10 14 (_ _) 499:39 13 (_ _) In ice-9/boot-9.scm: 1752:10 12 (with-exception-handler _ _ #:unwind? _ # _) In gnu/machine/ssh.scm: 499:39 11 (_) In guix/store.scm: 2168:25 10 (run-with-store # =E2=80= =A6) In guix/remote.scm: 138:10 9 (_ _) In guix/store.scm: 2040:38 8 (_ #) In guix/ssh.scm: 372:2 7 (send-files # _ # =E2=80= =A6) 218:5 6 (remote-run (begin (use-modules (guix) (srfi #) # #) =E2=80=A6= ) #) In ssh/popen.scm: 64:4 5 (open-remote-pipe* _ "r+" _ . _) In unknown file: 4 (channel-open-session #) In ice-9/boot-9.scm: 1685:16 3 (raise-exception _ #:continuable? _) 1683:16 2 (raise-exception _ #:continuable? _) 1685:16 1 (raise-exception _ #:continuable? _) 1685:16 0 (raise-exception _ #:continuable? _) ice-9/boot-9.scm:1685:16: In procedure raise-exception: Throw to key `guile-ssh-error' with args `("channel-open-session" "Channel = opening failure: channel 63 error (2) open failed" # #f)'. make: *** [Makefile:32: deploy] Error 1 --=20 Best regards, Aleksandr Vityazev From debbugs-submit-bounces@debbugs.gnu.org Wed Dec 21 20:31:42 2022 Received: (at 56709) by debbugs.gnu.org; 22 Dec 2022 01:31:42 +0000 Received: from localhost ([127.0.0.1]:55115 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p8AQv-0007hh-Lj for submit@debbugs.gnu.org; Wed, 21 Dec 2022 20:31:42 -0500 Received: from mail-4018.proton.ch ([185.70.40.18]:30975) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p8AQr-0007hb-MH for 56709@debbugs.gnu.org; Wed, 21 Dec 2022 20:31:40 -0500 Date: Thu, 22 Dec 2022 01:31:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lendvai.name; s=protonmail2; t=1671672690; x=1671931890; bh=0LMUHFr59RxKgrUQxx/ZpxiM9Mkngyb6LlcHrR4yJ2I=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=ela1cgdlZziV6G0WMTHIxqOLjtvbWAfWweeJnHc4LKU+dhjDZqpuMOX5YoNmEsQzt LyIV7C7ax6UYzZspR4CU+4PsUirkskKKUMYmGhzQm32XGJCSOsYcph6lK8B9+bMSm/ qgLlpBYLVNnMwnNf6RZFVgHT2GNMGnmkqYZPDtEl+y/T5dHaKCZxjvbo6cRjzSJTxy YaXwWFxpNi1oWcYl4VosIsBlET1inNPUFzsC00lmt5Hl5fOxWcGMtEEPdrJxVn/Omi t37Mo5sjH0OmnGP0i6NPSMaav6+sfoAPIpp0iYBoByZzOD/2JDOxyCDTNkgSF8Qa+b ZPWwKMi2JbLVQ== To: "56709@debbugs.gnu.org" <56709@debbugs.gnu.org> From: Attila Lendvai Subject: (No Subject) Message-ID: <2bVPJgmh_h3i-yCKEdumTfRuDoyEqp2g8JtscK7Gz0oOQrECJooX_iQcVVSVZ4tbOeIDsOmBIG8GqBpopyF9ZEVmzJV2nEi5kpliRwjKCgI=@lendvai.name> Feedback-ID: 28384833:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 2.0 (++) X-Spam-Report: Spam detection software, running on the system "debbugs.gnu.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: i'm also seeing this, and the solution was to comment out the (identity ...) field of my machine-ssh-configuration. maybe my id_ed25519 key is not supported? it seems to be able to talk to the target and even installed some stuff into its store, and only dies when it's already deep into the process. Content analysis details: (2.0 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 2.0 SLIGHTLY_BAD_SUBJECT Subject contains something slightly spammy -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record X-Debbugs-Envelope-To: 56709 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 1.0 (+) i'm also seeing this, and the solution was to comment out the (identity ...= ) field of my machine-ssh-configuration. maybe my id_ed25519 key is not supported? it seems to be able to talk to the target and even installed some stuff int= o its store, and only dies when it's already deep into the process. BTW, the configuration field names and doc are somewhat confusing. e.g. the= identity field expects a file path as a string; i.e. a file-like GEXP obje= ct doesn't work, and neither does a copy-pasted public key as a scheme stri= ng. also, should it be the .pub part, or the private part? maybe a pitfall pointer could be added to the manual until the error messag= e is made more edifying? - attila PS: my output when it failed for me: $ guix deploy lendvai.scm The following 1 machine will be deployed: lendvai guix deploy: deploying to lendvai... guix deploy: sending 0 store items (0 MiB) to 'lendvai.name'... guix deploy: sending 0 store items (0 MiB) to 'lendvai.name'... guix deploy: sending 0 store items (0 MiB) to 'lendvai.name'... guix deploy: sending 0 store items (0 MiB) to 'lendvai.name'... ;;; [2022/12/21 22:16:19.061054, 0] [GSSH ERROR] Channel opening failure: c= hannel 63 error (2) open failed: # Backtrace: In guix/store.scm: 1382:11 19 (map/accumulate-builds #= =E2=80=A6) 1300:8 18 (call-with-build-handler # =E2=80=A6) In ice-9/boot-9.scm: 1752:10 17 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _) In guix/scripts/deploy.scm: 167:6 16 (_) In guix/store.scm: 2170:25 15 (run-with-store # _ # _ = # =E2=80=A6) In gnu/machine/ssh.scm: 538:12 14 (_ _) 539:41 13 (_ _) In ice-9/boot-9.scm: 1752:10 12 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _) In gnu/machine/ssh.scm: 539:41 11 (_) In guix/store.scm: 2170:25 10 (run-with-store # # =E2=80=A6) In guix/remote.scm: 138:10 9 (_ _) In guix/store.scm: 2042:38 8 (_ #) In guix/ssh.scm: 376:2 7 (send-files # _ # =E2=80=A6) 222:5 6 (remote-run (begin (use-modules (guix) (srfi srfi-34) (= =E2=80=A6) =E2=80=A6) =E2=80=A6) =E2=80=A6) In ssh/popen.scm: 64:4 5 (open-remote-pipe* _ "r+" _ . _) In unknown file: 4 (channel-open-session #) In ice-9/boot-9.scm: 1685:16 3 (raise-exception _ #:continuable? _) 1683:16 2 (raise-exception _ #:continuable? _) 1685:16 1 (raise-exception _ #:continuable? _) 1685:16 0 (raise-exception _ #:continuable? _) ice-9/boot-9.scm:1685:16: In procedure raise-exception: Throw to key `guile-ssh-error' with args `("channel-open-session" "Channel = opening failure: channel 63 error (2) open failed" # #f)'. From debbugs-submit-bounces@debbugs.gnu.org Thu Dec 22 19:41:28 2022 Received: (at 56709) by debbugs.gnu.org; 23 Dec 2022 00:41:28 +0000 Received: from localhost ([127.0.0.1]:36461 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p8W7s-0008Em-Bm for submit@debbugs.gnu.org; Thu, 22 Dec 2022 19:41:28 -0500 Received: from mail-4018.proton.ch ([185.70.40.18]:21831) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p8W7o-0008Eb-ID for 56709@debbugs.gnu.org; Thu, 22 Dec 2022 19:41:27 -0500 Date: Fri, 23 Dec 2022 00:41:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lendvai.name; s=protonmail2; t=1671756076; x=1672015276; bh=wjUNd2pjAmb9Q0OO1vK2oDEk9iXMFx6lyshhekW23mA=; h=Date:To:From:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=L3gfmiQ2B5XYMHSTA3IrgZMqOLepXcmh4qiNkRJ2nEcmp2D/MPn0MRV9qzqufjSFI crnikFUQ5Ffym3YhQfDkwiJVSpodYdcjd5M0mXBPMnOT1bvBwYSS5ycd4PraGuDhAu zNRKbU5pm1vR04frm2gfYB8Dst44N1yab7MTzJBElO7NpNqpjCrFskhRv3IKNYT+VL rr8uSHhBDncabROS3KwzFyInZ/n1PvAf3D34w+jXHrEsnxIV3OsNsvpX2xVhlih4gu ql0ae8llGp9Z43KKhYv9g0+jPJg+FyDxgbzbE/Oujf4WjTbYFkG/5O172uuCJiLHoe aiPndE5wuCzHg== To: "56709@debbugs.gnu.org" <56709@debbugs.gnu.org> From: Attila Lendvai Subject: Re: (No Subject) Message-ID: In-Reply-To: <2bVPJgmh_h3i-yCKEdumTfRuDoyEqp2g8JtscK7Gz0oOQrECJooX_iQcVVSVZ4tbOeIDsOmBIG8GqBpopyF9ZEVmzJV2nEi5kpliRwjKCgI=@lendvai.name> References: <2bVPJgmh_h3i-yCKEdumTfRuDoyEqp2g8JtscK7Gz0oOQrECJooX_iQcVVSVZ4tbOeIDsOmBIG8GqBpopyF9ZEVmzJV2nEi5kpliRwjKCgI=@lendvai.name> Feedback-ID: 28384833:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 2.0 (++) X-Spam-Report: Spam detection software, running on the system "debbugs.gnu.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: > i'm also seeing this, and the solution was to comment > out the (identity ...) field of my machine-ssh-configuration. i spoke too soon. today it's again broken for me the same way, even though identity is commented out. lechner on IRC also reported that it's broken for him. Content analysis details: (2.0 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 2.0 SLIGHTLY_BAD_SUBJECT Subject contains something slightly spammy -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record X-Debbugs-Envelope-To: 56709 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 1.0 (+) > i'm also seeing this, and the solution was to comment > out the (identity ...) field of my machine-ssh-configuration. i spoke too soon. today it's again broken for me the same way, even though = identity is commented out. lechner on IRC also reported that it's broken fo= r him. random hint, maybe not relevant: i may have pulled in the short time since = i wrote my previous mail, and there may have been a guile-ssh update in tha= t pull. - attila From debbugs-submit-bounces@debbugs.gnu.org Thu Jan 12 06:10:20 2023 Received: (at control) by debbugs.gnu.org; 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Content preview: > > i'm also seeing this, and the solution was to comment > > out the (identity ...) field of my machine-ssh-configuration. > > > i spoke too soon. today it's again broken for me the same way, even > [...] Content analysis details: (2.0 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 2.0 SLIGHTLY_BAD_SUBJECT Subject contains something slightly spammy -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record X-Debbugs-Envelope-To: 56709 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 1.0 (+) > > i'm also seeing this, and the solution was to comment > > out the (identity ...) field of my machine-ssh-configuration. >=20 > > i spoke too soon. today it's again broken for me the same way, even > though identity is commented out. lechner on IRC also reported that > it's broken for him. since then it's working again. this seems to be some transient issue. possi= bly related to network state? note that normal SSH always works. it's only a late phase of `guix deploy` = where this error sometimes shows up. --=20 =E2=80=A2 attila lendvai =E2=80=A2 PGP: 963F 5D5F 45C7 DFCD 0A39 -- =E2=80=9CThe most urgent necessity is, not that the State should teach, but= that it should allow education. All monopolies are detestable, but the wor= st of all is the monopoly of education.=E2=80=9D =09=E2=80=94 Fr=C3=A9d=C3=A9ric Bastiat (1801=E2=80=931850), 'What Is Money= ?' From debbugs-submit-bounces@debbugs.gnu.org Wed Jan 18 15:49:40 2023 Received: (at 56709) by debbugs.gnu.org; 18 Jan 2023 20:49:40 +0000 Received: from localhost ([127.0.0.1]:41909 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pIFNM-00046n-CI for submit@debbugs.gnu.org; Wed, 18 Jan 2023 15:49:40 -0500 Received: from mail-qt1-f169.google.com ([209.85.160.169]:38721) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pIFNJ-00046Z-SI for 56709@debbugs.gnu.org; Wed, 18 Jan 2023 15:49:38 -0500 Received: by mail-qt1-f169.google.com with SMTP id z9so8227241qtv.5 for <56709@debbugs.gnu.org>; Wed, 18 Jan 2023 12:49:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=worcester-edu.20210112.gappssmtp.com; s=20210112; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=Ayyh+qTk8w/Xvo2+GOFGdwN+68hezI4cgSTIhLwqXec=; b=g/P+nj2ymRdzcOQfMbUf2/nWT+WoZxoJIunHgG8uU7R9jzfJsZMza9MPZaiHaVyE1C vde1aZnHXqygHCiBrkBkCVAyLr4vGRYgzIErvzs3YBxscRvz05kUCLtAaVTi4t/XvRtQ lw3h7oKteOJai23pGWyAhyEds43cMHWsULDPvQi7qZy+j+KZ7k2GPSjZrBPsVcsNLUGd o3LSUj46TPz7256ZiOLiIt6G/pZ3E3ggKKCJUyUp59NvWPEa5Z6wFzHEOwke3NUzWyx3 9H/4G1VcsmWA0AaE0gThVx3bpkDo/Rw5OQcZDECNAmSplCce49uUXHNULGVPiIFuaZUB 50sA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Ayyh+qTk8w/Xvo2+GOFGdwN+68hezI4cgSTIhLwqXec=; b=EWYrqtVq6ehWBoF/2reAGNP+YI1kJ40HylRodDXg8Y++hVHU8Xo5PHC2bXdhpm7asy ZC4Go/sV/hEBz+m+GrbLwx9rnOJSVpwSHCQtK8HjhwcP7jpET6n+Bhfz6CdaKNmbZEqN I5Uaybjano+7Jw+ky56JPXN1CTAzosvLug0hQgV2hKoga8I1byFwqKFhas575DwLUkHH NSjQgc0YaATUHtPH6SdpyEGibpSPDnIlR2axfdw70e/efKUCwLvYckDD02eZwqSGcFfA 2nCFdj1S8CtHP6/PME2LLFutDrhAueNXBg+SIkYtO84g6ogwvjQhVZyjymajvOIWw0c7 qIPw== X-Gm-Message-State: AFqh2kpGdl2MFuWtE3Iwb/f0DhIojkmpj/yJhZVG+H0QMPYWPo6Rp6Ik sCNIYDhSRK8S0uEw1RwRw+d8EK8KxkxjlisqumoLyuFkxvyBJMpn X-Google-Smtp-Source: AMrXdXvw/DfGV2AHD0AD4M5A98X+GjNydVvDJaEkOIkqjbxQIsHXzkkdQzCgYc/0vXouv6WREvkDbNvDlkK+VxHqpEg= X-Received: by 2002:ac8:5ecd:0:b0:3b1:221c:c72 with SMTP id s13-20020ac85ecd000000b003b1221c0c72mr359404qtx.569.1674074971512; Wed, 18 Jan 2023 12:49:31 -0800 (PST) MIME-Version: 1.0 From: "Thompson, David" Date: Wed, 18 Jan 2023 15:49:20 -0500 Message-ID: Subject: Channel opening failure with guix deploy To: 56709@debbugs.gnu.org Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 56709 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Hello, This problem is strangely transient. I've seen it happen to others when it wasn't happening to me with the same remote machine. Now I am having this problem again on 2 different servers that I manage. I dug around a bit and found that calls to 'open-remote-pipe*' from guile-ssh have some chance of failure even though the SSH session is fine. This procedure is called many times during a deploy, so the odds are high that one of them will fail. I got lucky once today and had a deploy finish but that was after many failures. I was able to unblock myself by hacking call sites to repeatedly call 'open-remote-pipe*' in a loop, like this: (let loop () (or (false-if-exception (apply open-remote-pipe* session OPEN_BOTH repl-command)) (loop))) I also added some 'pk' logging and found that 'open-remote-pipe*' would typically succeed on the first or second try. I think there could be a bit more investigation done to better understand *why* this happens in the first place, but as a resiliency tactic I think it would be appropriate to write a wrapper procedure that retries a few times before giving up. Thoughts? - Dave From unknown Sun Aug 10 07:40:30 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Tue, 28 Feb 2023 12:24:05 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator