From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Leake Newsgroups: gmane.emacs.bugs Subject: bug#56606: Acknowledgement (29.0.50; recent master fails with "creating pipe: too many open files") Date: Sun, 17 Jul 2022 02:42:04 -0700 Message-ID: <86a6989itv.fsf@stephe-leake.org> References: <86ilnwafso.fsf@stephe-leake.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35230"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (windows-nt) To: 56606@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jul 17 11:43:11 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oD0nv-0008wg-3C for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 17 Jul 2022 11:43:11 +0200 Original-Received: from localhost ([::1]:36920 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oD0nt-0006ox-MV for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 17 Jul 2022 05:43:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55658) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oD0nm-0006om-Pn for bug-gnu-emacs@gnu.org; Sun, 17 Jul 2022 05:43:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48961) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oD0nm-00051D-HB for bug-gnu-emacs@gnu.org; Sun, 17 Jul 2022 05:43:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oD0nm-0005tY-BN for bug-gnu-emacs@gnu.org; Sun, 17 Jul 2022 05:43:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stephen Leake Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 17 Jul 2022 09:43:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56606 X-GNU-PR-Package: emacs Original-Received: via spool by 56606-submit@debbugs.gnu.org id=B56606.165805095022615 (code B ref 56606); Sun, 17 Jul 2022 09:43:02 +0000 Original-Received: (at 56606) by debbugs.gnu.org; 17 Jul 2022 09:42:30 +0000 Original-Received: from localhost ([127.0.0.1]:46720 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oD0nF-0005sg-Vn for submit@debbugs.gnu.org; Sun, 17 Jul 2022 05:42:30 -0400 Original-Received: from alt-proxy28.mail.unifiedlayer.com ([74.220.216.123]:40576) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oD0nA-0005sR-SQ for 56606@debbugs.gnu.org; Sun, 17 Jul 2022 05:42:28 -0400 Original-Received: from cmgw12.mail.unifiedlayer.com (unknown [10.0.90.127]) by progateway1.mail.pro1.eigbox.com (Postfix) with ESMTP id 370B11003FEF1 for <56606@debbugs.gnu.org>; Sun, 17 Jul 2022 09:42:06 +0000 (UTC) Original-Received: from host2007.hostmonster.com ([67.20.76.71]) by cmsmtp with ESMTP id D0mroD6TdWg0ED0msoDigx; Sun, 17 Jul 2022 09:42:06 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=Y4w9DjSN c=1 sm=1 tr=0 ts=62d3d96e a=dWLzHQi6WpdymmZIwiVdBw==:117 a=Fln8i1WyhtedwaIJAdHvmw==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=RgO8CyIxsXoA:10:nop_rcvd_month_year a=vvvmwbhNdt4A:10:endurance_base64_authed_username_1 a=YuVzn6gPQgjrjgKyNpsA:9 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=stephe-leake.org; s=default; h=Content-Type:MIME-Version:Message-ID:Date: References:In-Reply-To:Subject:To:From:Sender:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=xaOhs8i2zeoHTp25jvkdOnNheqHWck54k8S0VSo3Zm4=; b=BV3RBvBtBn3Vu9cTbezUznYWWq 07Hb0adxD2xAwcdMRQGkNhWZGDNqoa2edFwsC/wzzDZNpmHnUHGz8LOVwZ+AITNfVc1DfvtbKF/yV 87ZtDDsBnmDIICUqvbXr6P92cNhzI26EFQwZRQ7t0zmM1qJEjyjCzAgnVJoCOtHW9/cKw7brA1+JV 1spjROLdnrxjkBZDFaefQyQfk5Aspu3D1+nFx4pYOaQPyXVIB95Yh29jDBFBhhFR2Asb0bNJDGzJE o5KO/tZ9W2Dj6xBsUa62GAepfPB9ZW3XalY+hAMD0jxS26UqyjuPED3uXM+nIwtxJ+2qSLLpoXVKq xXh6z3jQ==; Original-Received: from 135-180-197-170.fiber.dynamic.sonic.net ([135.180.197.170]:62269 helo=Takver4) by host2007.hostmonster.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oD0mr-0008A0-PF for 56606@debbugs.gnu.org; Sun, 17 Jul 2022 03:42:05 -0600 In-Reply-To: (GNU bug Tracking System's message of "Sat, 16 Jul 2022 21:51:01 +0000") X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - host2007.hostmonster.com X-AntiAbuse: Original Domain - debbugs.gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stephe-leake.org X-BWhitelist: no X-Source-IP: 135.180.197.170 X-Source-L: No X-Exim-ID: 1oD0mr-0008A0-PF X-Source-Sender: 135-180-197-170.fiber.dynamic.sonic.net (Takver4) [135.180.197.170]:62269 X-Source-Auth: stephen_leake@stephe-leake.org X-Email-Count: 1 X-Source-Cap: c3RlcGhlbGU7c3RlcGhlbGU7aG9zdDIwMDcuaG9zdG1vbnN0ZXIuY29t X-Local-Domain: yes X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:237249 Archived-At: On emacs-devel, Eli said: AFAICT, this loop in deactivate_process: /* Beware SIGCHLD hereabouts. */ for (i = 0; i < PROCESS_OPEN_FDS; i++) close_process_fd (&p->open_fd[i]); doesn't close the last of the 4 descriptors opened by the 2 emacs_pipe calls in make-pipe-process. It calls 'close' with the right value, and close returns zero, but the pipe stays open. In Emacs 28, this same loop successfully closes the descriptor. I don't know why. Perhaps bisecting could help. -- -- Stephe