From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id IHrOFGar7F7APQAA0tVLHw (envelope-from ) for ; Fri, 19 Jun 2020 12:11:18 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2 with LMTPS id aE2tEGar7F6HNQAAB5/wlQ (envelope-from ) for ; Fri, 19 Jun 2020 12:11:18 +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 DA5EC9400E1 for ; Fri, 19 Jun 2020 12:11:17 +0000 (UTC) Received: from localhost ([::1]:44706 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmFrY-0002mc-RO for larch@yhetil.org; Fri, 19 Jun 2020 08:11:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55926) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmFrL-0002ic-1T for bug-guix@gnu.org; Fri, 19 Jun 2020 08:11:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:43799) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jmFrK-00005g-Mg for bug-guix@gnu.org; Fri, 19 Jun 2020 08:11:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jmFrK-0004TA-IJ for bug-guix@gnu.org; Fri, 19 Jun 2020 08:11:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#41948: Shepherd deadlocks Resent-From: Mathieu Othacehe Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Fri, 19 Jun 2020 12:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41948 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 41948@debbugs.gnu.org Received: via spool by 41948-submit@debbugs.gnu.org id=B41948.159256865817170 (code B ref 41948); Fri, 19 Jun 2020 12:11:02 +0000 Received: (at 41948) by debbugs.gnu.org; 19 Jun 2020 12:10:58 +0000 Received: from localhost ([127.0.0.1]:55345 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jmFrF-0004Sr-R5 for submit@debbugs.gnu.org; Fri, 19 Jun 2020 08:10:58 -0400 Received: from eggs.gnu.org ([209.51.188.92]:41470) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jmFrE-0004Sf-HB for 41948@debbugs.gnu.org; Fri, 19 Jun 2020 08:10:56 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:43800) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmFr9-0008U0-BK; Fri, 19 Jun 2020 08:10:51 -0400 Received: from [2a01:e0a:fa:a50:915b:bab1:f4c6:afb3] (port=51284 helo=meru) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jmFr8-0002FP-PN; Fri, 19 Jun 2020 08:10:51 -0400 From: Mathieu Othacehe References: <87h7v75txx.fsf@gnu.org> Date: Fri, 19 Jun 2020 14:10:48 +0200 In-Reply-To: <87h7v75txx.fsf@gnu.org> (Mathieu Othacehe's message of "Fri, 19 Jun 2020 10:41:14 +0200") Message-ID: <87d05v5k8n.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -3.3 (---) 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-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=none; 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-Spam-Score: -1.01 X-TUID: 54jwRCnurDWj > 183605:1 futex(0x7f17981e79d0, FUTEX_WAIT, 271, NULL I think this is caused by a "pthread_join", most probably the one in "stop_finalization_thread" that is called right before forking a new process. The fact that we hang here probably means that the finalizer thread itself is hanging, not sure why. It looks like what was reported by Ludo here: https://issues.guix.info/31925. Thanks, Mathieu