From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id eBuzDjf6lmBIaQEAgWs5BA (envelope-from ) for ; Sat, 08 May 2021 22:53:11 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id CHpkCjf6lmC7XwAA1q6Kng (envelope-from ) for ; Sat, 08 May 2021 20:53:11 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 9C66916965 for ; Sat, 8 May 2021 22:53:10 +0200 (CEST) Received: from localhost ([::1]:44198 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lfTwj-0004aa-R5 for larch@yhetil.org; Sat, 08 May 2021 16:53:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46184) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lfTwd-0004aG-B5 for bug-guix@gnu.org; Sat, 08 May 2021 16:53:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:40684) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lfTwc-0005mv-NY for bug-guix@gnu.org; Sat, 08 May 2021 16:53:03 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lfTwc-0005O3-Lh for bug-guix@gnu.org; Sat, 08 May 2021 16:53:02 -0400 Subject: bug#41948: Shepherd deadlocks Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-To: bug-guix@gnu.org Resent-Date: Sat, 08 May 2021 20:53:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 41948 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Mathieu Othacehe Mail-Followup-To: 41948@debbugs.gnu.org, ludo@gnu.org, othacehe@gnu.org Received: via spool by 41948-done@debbugs.gnu.org id=D41948.162050715620696 (code D ref 41948); Sat, 08 May 2021 20:53:02 +0000 Received: (at 41948-done) by debbugs.gnu.org; 8 May 2021 20:52:36 +0000 Received: from localhost ([127.0.0.1]:52226 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lfTwC-0005Nk-ET for submit@debbugs.gnu.org; Sat, 08 May 2021 16:52:36 -0400 Received: from eggs.gnu.org ([209.51.188.92]:35792) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lfTwB-0005Ne-EY for 41948-done@debbugs.gnu.org; Sat, 08 May 2021 16:52:35 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:45244) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lfTw6-0005SO-1L for 41948-done@debbugs.gnu.org; Sat, 08 May 2021 16:52:30 -0400 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=56062 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lfTw2-0001Iv-RS; Sat, 08 May 2021 16:52:28 -0400 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87h7v75txx.fsf@gnu.org> <87a70yc9kj.fsf@gnu.org> <87k0xyhq22.fsf@gnu.org> <87v97u9pu1.fsf@gnu.org> <87o8dm9p0n.fsf@gnu.org> Date: Sat, 08 May 2021 22:52:24 +0200 In-Reply-To: <87o8dm9p0n.fsf@gnu.org> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Sat, 08 May 2021 00:07:20 +0200") Message-ID: <87wns96j93.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) 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: , Cc: 41948-done@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1620507190; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:resent-to: resent-from:resent-sender:resent-message-id:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post; bh=t9kRwDfCtj1cGjei3lFgwKsXPz/mb+BVu9Vh0bb8YTg=; b=KRErTX2QMLg6yfbpy+3p1svda5tPfBty6Mwjr+HhmYZ/HEzAcOBVJujVUI0a/lakRZ5FQC tglSxdCOxBvBfvmAKJ8UJkUHBSluzJFnjxe2LO7WLmiX/Uhl+nlifvjcwchBwZTLmoFUXj KvtEt8HSnO4x6GPVPoi/zaXL0YpV8wVrqa2/6FXf19m8/YJj3gIfSCSIOVakT5qbbaYYo9 +7e63hkVJtqnRXq7UhoAzYuskPUYr670RKvhvG7Fq28Opx9wQfkREUraarup+uj9rzeip0 9g6LhiTwv2SwIPSA/CY8Wm42E36gc5nwaS9PhNbQ7ryS/C8p5QpKVqA0wx5t4A== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1620507190; a=rsa-sha256; cv=none; b=Li7j3ddwfdV7kxxcA4m4wrt9DUbzxAc5eA8yzsX5scZVByDhVScwDeG2uSBUsNdFx79dNm Xf2Jdnr9URYJfQ4sBnxkIypZW+0m36ch80qau050hZuhsY+TPHQdsrQRFZwWBHyiDsW7Uq psGvIWfYcYtT0dPrjJPx9cuHBEZTo4vweoDW+lWTXVWzkBPi3XvE8uFiZz1nZ53OYDGxLq DZtR3hILMAMQlAxVjxOnHJqOQW9hb+Jv1UD71CRKHnnMPvYCj7XDu41N104Hsx+HKq/svX 5CweM9UckWO0kSad0hExVsZgy4fi3JuWkK92adOBEXJRbscjf1wK/36fDatCOQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; 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-Spam-Score: -2.95 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; 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: 9C66916965 X-Spam-Score: -2.95 X-Migadu-Scanner: scn0.migadu.com X-TUID: iqF5ICtdZq/e Ludovic Court=C3=A8s skribis: > Ludovic Court=C3=A8s skribis: > >> While working on a fix for this issue (finalizer pipe shared between >> parent and child process), I found the =E2=80=98sleep_pipe=E2=80=99 of t= he main thread >> is also shared between the parent and its child. > > Here=E2=80=99s a patch that fixes the problem as exposed by the reproduce= r. I went ahead and pushed as 381291f5ff4480afbb197bf5e5a2272cfe54a386, together with a test derived from the one I posted earlier. With this and Andrew=E2=80=99s finalizer pipe patch, we should be good! This will be in the upcoming Guile 3.0.7 release. Ludo=E2=80=99.