From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#22814: 25.0.91; Emacs runs out of file descriptors on OS X Date: Sat, 27 Feb 2016 13:17:50 +0100 Message-ID: <877fhqpcsx.fsf@gmx.de> References: <87twkupoq9.fsf@gmx.de> <834mcuctwp.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1456575502 20316 80.91.229.3 (27 Feb 2016 12:18:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 27 Feb 2016 12:18:22 +0000 (UTC) Cc: 22814@debbugs.gnu.org To: Anders Lindgren Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Feb 27 13:18:11 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aZdp5-00064e-1U for geb-bug-gnu-emacs@m.gmane.org; Sat, 27 Feb 2016 13:18:11 +0100 Original-Received: from localhost ([::1]:54535 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZdp4-0008G4-Fw for geb-bug-gnu-emacs@m.gmane.org; Sat, 27 Feb 2016 07:18:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50399) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZdoy-0008Af-37 for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2016 07:18:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aZdow-00075N-Ea for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2016 07:18:04 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:51097) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZdow-00075F-Bm for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2016 07:18:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aZdow-0000WW-4B for bug-gnu-emacs@gnu.org; Sat, 27 Feb 2016 07:18:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Michael Albinus Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 27 Feb 2016 12:18:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22814 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22814-submit@debbugs.gnu.org id=B22814.14565754812001 (code B ref 22814); Sat, 27 Feb 2016 12:18:02 +0000 Original-Received: (at 22814) by debbugs.gnu.org; 27 Feb 2016 12:18:01 +0000 Original-Received: from localhost ([127.0.0.1]:48224 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aZdou-0000WC-RA for submit@debbugs.gnu.org; Sat, 27 Feb 2016 07:18:01 -0500 Original-Received: from mout.gmx.net ([212.227.15.19]:54799) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aZdot-0000Vi-AC for 22814@debbugs.gnu.org; Sat, 27 Feb 2016 07:17:59 -0500 Original-Received: from detlef.gmx.de ([93.209.85.192]) by mail.gmx.com (mrgmx002) with ESMTPSA (Nemesis) id 0MF4eJ-1agXQh0IOZ-00GHMF; Sat, 27 Feb 2016 13:17:52 +0100 In-Reply-To: (Anders Lindgren's message of "Sat, 27 Feb 2016 12:38:17 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) X-Provags-ID: V03:K0:708qyROdfi+ipuy6cQ8Ucuuaxmz6j7lbX4PDG+fx2ZOjVY1C214 w9kIYyhfRMxUpQvPXUr94ZXesf+FSOMPqC22LBXOPxrCHQy1wCXZsvFc/WAaUY/mjzZS2TM /hH8smFXEIUcIxTOhM7e9dUjpvyVJVBuXn07GBu2E8YTgG/pV9K6F9P5ECip+nz0dNKxjh7 Ed7ZwUek6F+Q2dzeYbWfQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:i7eDrGYl33k=:ZW4zV6sjt81dS4d7PNiVB/ n0sGVsasIRR/w9DjbP0vbZgQg+L4aMMTnC7Dosrjn6ZiJuQyz/+PEx7k7qh1/m6Oud91hCal+ GJTCL4eQr119yL59CsKMEnOLErUapf07/PYdTHTQlmgaYdIYDpGFPfcHTCiEgVjerUvTycyBC 1YVg+Lc9Z64h2IBWD0HRTTL6tqbest1y6eYNB8lw7CIWd/vwWu/Sg562b9ix3EoFgzKNjPZK3 SzgboRHjuHP1uiG7755zHp+DdKYDUqCVjqk25RkP50W2Esuqz4GJl0WKaQ64ns63RmjPIgkTQ BpEYvUNu+N6bVBeNRDhn1XU+Iwi8hVnlYiYs/+P5yaMO0Tv5X7JuOlKd9NWIwlk1ZaO73r6CZ TI3ddaAwuLgwsG/Ggl+ZJNzozXSQoi5aSRxmLWKBdD8ZTdr+XKV/HqX/rNJSA2OcATPrZdTBI VNWdJG8IIYWWjea/kIz0hKltWNw+21eZwPrFNxamLG2+WjBDTHd1r9uW46XlZ9hhY0d8fphIX dwDVB9c15RtmycoLAU7BCNgBUFFwuz0Oy1oKCkDOCNeaSkEHvemoJOnjYTPxPZ7NO9cjdlLGK 0zZ5SQZAvx9RR65SzKAroDAkKjdrjlPnU/77C9eSxRaWR7WBU2RGJyCEir/yA6ZP8RQwohJ7y W9yHEUcE/k2tjcAgEGhtFTVbqchL8GamCqD+UTI/fvkmBeyshG9FDhqOLiGoJDeO0b7JycBjs qWg2k/dGlas/TXDg3XS6IRW002XNOUbeyUw55KbRfhP33CW9vrgfRGf9mkl4PPPCZggNzkiB X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:113944 Archived-At: Anders Lindgren writes: > Can you debug this? > > Not within a reasonable time frame, unfortunately. I've debugged this on FreeBSD 10. It has larger limits: --8<---------------cut here---------------start------------->8--- albinus@freebsd10:~/src/emacs-25 % ulimit -u 5749 albinus@freebsd10:~/src/emacs-25 % ulimit -n 28791 --8<---------------cut here---------------end--------------->8--- 1. Run unlimited number of file-notify-add-watch: --8<---------------cut here---------------start------------->8--- (let ((temporary-file-directory file-notify--test-tmpfile)) (while t (setq file-notify--test-tmpfile1 (file-notify--test-make-temp-name)) (write-region "any text" nil file-notify--test-tmpfile1 nil 'no-message) (should (file-notify-add-watch file-notify--test-tmpfile1 '(change) #'ignore)))) --8<---------------cut here---------------end--------------->8--- --8<---------------cut here---------------start------------->8--- albinus@freebsd10:~/src/emacs-25 % gmake -C test/automated file-notify-tests SELECTOR='\"09\"' Test file-notify-test09-sufficient-ressources condition: (file-error "Opening output file" "Too many open files in system" "/tmp/file-notify-test-parent11031I_Y/file-notify-test11031BbD") FAILED 1/2 file-notify-test09-sufficient-ressources albinus@freebsd10:~/src/emacs-25 % ls /tmp/file-notify-test-parent11031I_Y | wc -l 20291 --8<---------------cut here---------------end--------------->8--- 2. Run limited number of file-notify-add-watch: --8<---------------cut here---------------start------------->8--- (let ((temporary-file-directory file-notify--test-tmpfile)) (dotimes (_i 10000) (setq file-notify--test-tmpfile1 (file-notify--test-make-temp-name)) (write-region "any text" nil file-notify--test-tmpfile1 nil 'no-message) (should (file-notify-add-watch file-notify--test-tmpfile1 '(change) #'ignore))) (read)) --8<---------------cut here---------------end--------------->8--- --8<---------------cut here---------------start------------->8--- albinus@freebsd10:~/src/emacs-25 % gmake -C test/automated file-notify-tests SELECTOR='\"09\"' [...] root@freebsd10:~ # lsof -p 11075 | grep file-notify-test | wc -l 10000 --8<---------------cut here---------------end--------------->8--- Obviously, Emacs keeps an open file descriptor per watched file, as expected. > -- Anders Best regards, Michael.